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D. Attacks have a frequency from one every other day to 8 per day<br>

...is often written as &omega; = 2''&pi;'' ''&nu;'', where ''&nu''; is the ''frequency'' (number of oscillation cycles per second). The time ''T'' &equiv; 1/''&nu ...ster, but the argument of the cosine remains the same. This invariance of frequency is used in timekeeping and in musical string instruments (the pitch does no

==Frequency-dependent polarizability== ...'''cos&omega;t &nbsp; the polarizibility becomes a function of the angular frequency

...ve resulting from adding two sine waves of nearly identical wavelength and frequency.}} ...''t'' is the superposition of two waves of almost the same wavelength and frequency:<ref name=Kinsman>

These radars, made by Raytheon, operate in the EU-NATO-US frequency bands|I/J bands with a peak power of approximately 10 kilowatts. Obviously,

{{r|Frequency agility}}

...es with an increasing number of balls, as a larger pattern allows a slower frequency.

...pedance may be dependent upon frequency and exhibit a phase dependent upon frequency, as normally expressed using an impedance represented by a complex number. ...s not permit any time varying current to pass through it, so at the signal frequency it behaves as an open circuit. No signal is lost through it. As a dual to t

...ed, especially in Marine service, by the PRC-117|AN/PRC-117, which extends frequency coverage into VHF.

...e [[low probability of intercept]], rapidly changing frequencies (i.e., [[frequency agility]]) or transmitting/receiving locations (e.g., [[radar#multistatic|m

...it experiences a [[torque]] and precesses about the field at the [[Larmor frequency]], which is given (in radians/s) by the product of the field strength and t ...and Calculations Using Mathematica |author=Charles Pidgeon |chapter=Larmor frequency versus field strength |url=http://books.google.com/books?id=oNXIPJuMefcC&pg

==Quantity and frequency== The quantitity and the frequency of diacritics may differ.

The missile will use the Irbis (radar)|Irbis, or Irbis-E, IEEE Frequency Bands|X-band radar.<ref name=DeagelIrbis>{{citation

...a complete orbit in approx. 11 hours, 58 minutes. All Satellites are dual-frequency and broadcast on L1 and L2 using spread-sprectrum modulation. The satellite ...hours, 15.5 minutes. All satellites broadcast L1 and L2 signals on unique frequency channels, the transmission of an L3 signal is planned.

...in 11,000, slightly more common in men than in women, although the actual frequency may be higher as it is entirely possible to live a long, normal life withou

...de of the associated electric and magnetic fields); and independent of the frequency (color) of the light (no [[dispersion]]). ...n number of wavelengths, and the relation ''c=λf'' relating wavelength and frequency to the speed of light resulted in {{nowrap|''c'' <nowiki>=</nowiki> 299,792

...he molecular structure as well as the applied magnetic field and hence the frequency/frequencies at which absorption of electromagnetic radiation is absorbed en

...d in a tank, if the interceptor does not hear engine noise or higher voice frequency than the voice modulation usually uses, even thought the voice conversatio ==Frequency Domain MASINT==

...or and the emitter in the [[hybrid-pi model]] (discussed in the section on frequency dependence below), which is convenient but physically unmotivated. Inasmuch ===Frequency dependence===

They operated in the frequencies designated [[EU-NATO-US frequency bands|E/F-bands]] by NATO. They 150 to 350 km range. <ref name=GS-BL>{{cita

...oral communications. Of these characteristics, the most important is the [[frequency]] range, commonly described as zero to 4000 Hz, but, in practice, filtered

{{r|Frequency}}

Photons have very specific properties, such as [[wavelength]] and [[frequency]], and those observable properties determine the qualitative properties, su ...There is a direct correlation between the energy of those photons and the frequency of the light used. It should be noted however, that not all electrons can

...Letter</ref> However, [[vasopressin]] receptor antagonist may increase the frequency of rapid sodium correction although [[osmotic demyelination syndrome]] may

The '''Wow! signal''' was a strong [[narrowband]] [[radio frequency|radio]] signal detected by [[Jerry R. Ehman]] on August 15, 1977, while wor ...which is at 1420.40575177&nbsp;MHz. The two different values given for the frequency of the Wow! signal (1420.356&nbsp;MHz and 1420.4556&nbsp;MHz) are the same

...math>\sigma_{\rm e}(\omega)</math> be effective emission cross-sections at frequency <math>\omega</math>, and let <math>~T~</math> be the effective temperature ...f populations; frequency <math>\omega_{\rm z}</math> is called "zero-line" frequency <ref name="comment">

...s "Islamic missiology" and "Buddhist missiology" are heard with increasing frequency. So, in discussing missiology in the twenty-first century, it is necessary

...nd a characteristic skin rash. The illness occurs with approximately equal frequency in children and adults. The skin lesions usually take the form of a purplis

...inks''' for managing the access of the multiple transmitters to the shared frequency system. Links 4A and 11 are being replaced by Link 16. ...yond line of sight. The true JTIDS messages and channels are separate, in frequency and channel spacing, from the TACAN position information.

...e quite accurate for low-frequency operation and can be adapted for higher frequency operation by addition of inter-electrode [[capacitance]]s and other parasit {{Image|Bipolar hybrid-pi model.PNG|right|200px| Simplified, low-frequency hybrid-pi [[BJT]] model.}}

...s the usual way of referring to '''tactical air navigation''' an ultrahigh frequency electronic air (and sometimes shipboard) navigation system, able to provide

...from [[latin|Latin]] ''infra-'' meaning below, i.e., infrared has a lower frequency than red in the [[Electromagnetic spectrum|spectrum]].

...xt.com/Catalogo/Autori/AUT137.HTM Dickens's Works]: text, concordances and frequency lists

...he blues and violets with the lowest wavelengths and therefore the highest frequency.<ref name=BlueSky>[http://www.sciencemadesimple.com/sky_blue.html Why is th ...requency colors (blues and violets) are absorbed more often than the lower-frequency colors, and this phenomenon is called [[Rayleigh scattering]]. It was named

{{r|Frequency agility}}

...ns CP, de Ruiter R, de Greef MH| title=Stretching before sleep reduces the frequency and severity of nocturnal leg cramps in older adults: a randomised trial. |

...o tactical satellite communications. It has embedded encryption as well as frequency agility.

{{r|ARC-230|AN/ARC-230}} [[ITU frequency bands|High Frequency (HF)]] [[radio]], built around Rockwell-Collins HF-121C voice and data ope

* <code>FREQUENCY</code> statement (for providing optimization hints to the compiler)

...ircraft as large as the Royal Navy Merlin. They have a bow-mounted medium-frequency sonar, but neither dipping nor towed array sonar.

...ment, polyalphabetic ciphers of this type remained partially vulnerable to frequency analysis techniques<ref name="kahnbook" />. ...d-be cryptanalyst was unaware of the technique. Breaking a message without frequency analysis essentially required knowledge of the cipher used, thus encouragin

which also shows a frequency behavior: at low frequencies the inversion layer responds completely and '' ...dently, ''C_T'' and ''G_p'' are found by measuring the frequency dependence in depletion. Parameter ''G_n'' requires a measurement

*[[direction finding|radio frequency direction finder]]

#control over frequency features

...omagnetic radiation consists of parcels of energy h&nu;, where &nu; is the frequency of the radiation.

with zero-frequency gain ''A''₀ and angular frequency ω = 2π''f''. It is usual to describe the behavior of this function in the ...hat is, by the time constants of the open-loop amplifier. In contrast, the frequency of oscillation is set by μ, that is, by the feedback parameter through β'

...m [[latin|Latin]] ''ultra'' meaning beyond, i.e., ultraviolet has a higher frequency than violet in the [[Electromagnetic spectrum|spectrum]].

*Angular frequency

...ranks between ca. 300-500 in frequency of use in written English.<ref name=frequency/> <ref name=frequency>

...medicine]], the [[absolute risk reduction]] is a measure that compares the frequency of a clinical outcome in group of patients exposed to a factor compared to

[[Frequency Resolved Optical Gating|FROG]] systems <ref name="frog"> Measuring ultrashort laser pulses in the time-frequency domain using frequency-resolved optical gating.

...aws remained on the books in many communities, but were enforced with less frequency throughout the first half of the twentieth century and beyond. Beginning in

Originally, the system [[IEEE frequency bands|X-band]] ground radar was a 30N6E (NATO '''FLAP LID'''), then 30N6E1 [[ITU frequency bands|VHF band]] radars, designated '''TALL KING''' by NATO, can be added f

...termined by subtracting the lower cut-off frequency from the upper cut-off frequency.

The use of bladder [[ultrasonography]] may reduce the frequency of intermittent [[urinary catheterization]] among patients with [[spinal co ...}}</ref> Although the use of protocols with bladder scanners to reduce the frequency of urinary catheretization are recommended<ref name="pmid18840088">{{cite j

During his time there, he measured the amplitude/frequency response of human ears, and used the results to design the first [[noise we ...f his only two [[Institution of Electrical Engineers|IEE]] papers, on high-frequency resistance measurement. This won the IEE's 'Premium' award for innovation.

The AN/TPY-2 is a phased-array radar, which operates in the 8.55-10 GHz IEEE frequency bands|X band. Raytheon builds it as part of an X-band family, along with th

where <math>f</math> is the frequency. Typical use of the term focuses on [[noise]]s with exponents in the range

An electromagnetic wave being characterized by its [[frequency]] &nu;, Einstein postulated light quanta to be packets of [[Energy (scienc

...Most of the information in speech, as opposed to music, is carried in the frequency range from 300 to 4000 hertz, and a 4 KiloHertz (KHz) analog channel is con ...ly converted to digital one if it were sample at twice the highest analog frequency. In the case of the 4 KHz analog signal, that meant that 8000 digital sampl

Among the main arguments for "gun control" are concerns that the frequency of gun crimes and accidents is proportional to the number (or percentage) o

...known as the Sewall Wright effect, cumulative stochastic changes in [[gene frequency|gene frequencies]] that arise from random births, deaths, and Mendelian seg ...was the height, plotted against horizontal axes representing the [[allele frequency|allele frequencies]] or the average phenotypes of the population. [[Natural

...ritime [[radio]], especially on [[ITU frequency bands|VHF]] but also [[ITU frequency bands|MF]], which gives "telephone numbers" called [[maritime mobile servic

*center frequency

...o developed the Savart disk, a device which produced a sound wave of known frequency, using a rotating cog wheel as a measuring device.

*''[[Frequency (film)|Frequency]]'' (2000)

...shing the barges, were equipped with radios, but they were not on the same frequency. ''Nola.com'' reported the disaster "spurred new regulations" which have h

== Frequency ==

...013 }}</ref> However, [[vasopressin]] receptor antagonist may increase the frequency of rapid sodium correction although [[osmotic demyelination syndrome]] may

...h biological processes that interact with electromagnetic radiation over a frequency range that does not ionize biological molecules &mdash; from the higher-ene

...uage]]. This [[spectrogram]] as used in [[acoustic phonetics]] shows the [[frequency|frequencies]] of vibrations involved in the production of six [[British Eng

Frequency assignments and signal characteristics are aligned with the [[International ...onders}}</ref> Current radar-SARTs are active beacons triggered by [[IEEE frequency bands|X-band]] radar signals; after 2010, they may respond to the [[Automat

...efore frequency has increased. As with [[electromagnetic wave]]s a higher frequency corresponds to a higher energy, in agreement with the expression for <math> ...s]] tells us that <math>\scriptstyle E_n/\hbar</math> must have units of [[frequency]], so let us define

{{Image|SW1.gif|right||<small>Fig. 2. Fundamental mode, frequency &nu;₀.</small>}} {{Image|SW2.gif|right||<small>Fig. 3. First overtone, frequency 2&nu;₀.</small>}}

...the amplitude of the oscillation specifies the loudness of the sound, the frequency determines the pitch, and the form of the oscillation defines the tone. Mor ...13HZ whereas g' has a frequency of 783.991Hz, which is about six times the frequency of c. So they are overtones of the same fundamental.

...erized by a high frequency of both Gm ag and Gm ab3st but an extremely low frequency of Gm afb1b3." <ref> Matsumoto H (1988) Characteristics of Mongoloid and ne

| title = Functional Role of Auditory Cortex in Frequency Processing and Pitch Perception

...atellites listen on the single [[UHF satellites|UHF]] international rescue frequency of 406 MHz.

...l disease.<ref name="pmid6702635">{{cite journal |author=Spodick DH |title=Frequency of arrhythmias in acute pericarditis determined by Holter monitoring |journ

...mes significantly harder with more advanced digital generations, which use frequency agility and advanced multiplexing.

In females, LH is secreted in pulses throughout the ovarian cycle, but the frequency and amplitude of the pulses vary with changing levels of estrogen and proge

...[http://www.annals.org/cgi/content/full/142/6/439/T2 Table that quantifies frequency of symptoms]<br/>[http://www.annals.org/cgi/content/full/142/6/439/T3 Table The frequency of various signs and [[symptom]]s have been tabulated.<ref name="pmid157676

...mber of times per second that the vectors go through a full cycle is the [[frequency]] of the electromagnetic wave. ...mma-rays ([[radio-activity|radioactive rays]]) up to the [[VLF]] (very low frequency) radio waves of about 100 kilometer.

...For example, cueing can include telling an [[anti-radiation missile]] the frequency and other signatures of a threatening radar transmitter. The cueing can be

...ea, low-cost production of organic electronics. New products include radio-frequency identification (RFID) tags <ref>P. F. Baude, D. A. Ender, M. A. Haase, T. W

...self-exciting. The rhythmic contractions occur spontaneously, although the frequency can be changed by nervous or hormonal influences such as exercise or the pe

...''harmonics'', or ''upper partial tones''. A sound containing only ''one'' frequency, like that from a tuning fork, is called a ''pure tone'' or a ''simple tone ...The human auditory perception system also may have trouble distinguishing frequency ''differences'' between notes under certain circumstances.

The frequency of its citation in the footnotes of other works indicates that Burnham's ar

...argeting. Periscope detection uses high scan speeds, high pulse repetition frequency, high resolution mode with advanced sea clutter rejection. The P8 has a Broadcast Info System (BIS) and secure [[ITU frequency bands|UHF]] [[satellite communications]] capability.

...avels, the more of this space lengthening it will experience, and the more frequency shift it will exhibit.</ref> and is credited with having established this a

...n can efficiently cause transitions between the nuclear spin states if the frequency of the electromagnetic radiation, ν, is equal to the energy difference &D

...fields the relative permittivity is in general a function of the [[angular frequency]] &omega;. The function &epsilon;_''r''(&omega;) may vary stron

Reliability of measurement may be improved by increasing the frequency of measurement.<ref name="pmid25283469">{{cite journal| author=Heapy A, Dzi

...The object of interest must emit or reflect electromagnetic radiation in a frequency range that the optics can focus onto a receiving device, which converts the

...ourse, the belief that we understand under what circumstances the resonant frequency is invariant.<ref name=NASA/><ref name=standard/> A corollary of such error ...al.'' |quote=After a brief overview...this paper discusses the systematic frequency shifts that limit the accuracy of the clock...We have set a goal of 5 × 10

...e of its rapid switching characteristics it is used in microwave and radio-frequency applications. ...''r_D''. This ''transresistance amplifier'' exhibits a ''corner frequency'', denoted ''f_C'':

...ous uncertainties of interferometry, and to uncertainties in measuring the frequency of the source.<ref name=Beers2> ...ber of wavelengths corresponds to an uncertainty of &Delta;f=10 kHz in the frequency of the laser.<ref name=NRC>

...ock, determining when to take the faster one's state as an output bit. The frequency ratio is typically around 100:1, so quite minor variations in the slow one }}</ref> use two oscillators, and modulate the frequency of the slower one with thermal noise. The hardware includes a de-skewing op

Given an electromagnetic wave with [[wavelength]] &lambda;, its [[frequency]] &nu; is inversely proportional to &lambda;: &nu; = ''c''/&lambda;, where

**Frequency and Gravimetry

...he people in distress. Radar for these applications, usually in the [[IEEE frequency bands|X-band]], normally depends on the reflections of its energy. When the

...l normal-sized (Dw/dw) chickens, and no differences in peak length or peak frequency between genotypes are observed. By contrast, in the dwarf mouse strain (lit ...tion, and refeeding results initially in low-amplitude pulses (at a higher frequency than the endogenous rhythm) giving way to normal 3h high-amplitude pulses w

for any frequency <math>\omega.</math>

..._A receptors. However, benzodiazepines do this by increasing the frequency of openings of channels in the cell membrane.<ref name="isbn0-07-145153-6"/

...pensated, that is, there is as much radiation Doppler shifted into a given frequency interval Δf as there is shifted out by uniform motion. ...y, but unfortunately if the energy spectrum does continue up to the Planck frequency, there may be 120 orders of magnitude more energy per cubic centimeter than

...luid. The maximal displacement of the basilar membrane is dependent on the frequency and intensity of the stimulus. ...how well a certain range of frequencies around a preferred characteristic frequency is contained in the original signal (the frequencies and intensities to whi

| title = Acquisition Safety - Radio Frequency Radiation (RFR) Hazards ...ecially in the [[ITU frequency bands|very high frequency (VHF)]] and lower frequency range, metal cables, or any metal object long enough to act as an antenna,

...1">{{cite journal |author=Goff BA, Mandel LS, Melancon CH, Muntz HG |title=Frequency of symptoms of ovarian cancer in women presenting to primary care clinics |

Earthquakes are very frequent, though the frequency varies inversely with the size of the earthquake - earthquakes as large as

...sis]] and [[spectral estimation]]: These topics deal with the study of the frequency content and components of a signal, and on development of techniques for es

...50%, because when we flip it an infinite number of times, that's what the frequency will be.

...es on the hair coat of dogs and cats without [[cutaneous]] lesions and the frequency of owners becoming infected. Many cases of tinea corporis in southern Ital ...r samples taken from cats during the winter months contributed to a higher frequency of infection. The majority of examined cats lived in ([[rural]]) areas whe

...thor=Irwin RS, Curley FJ, French CL |title=Chronic cough. The spectrum and frequency of causes, key components of the diagnostic evaluation, and outcome of spec

...radar#Pulse Doppler Radar|pulse-doppler system operating in the EU-NATO-US frequency bands|X-band. While radar#phased array radar|phased array radars frequently

...-18&nbsp;GHz, provides radar warning, and 1.4 to 5 degree DF (depending on frequency). <ref name=Friedman2003 /><ref name=Fisher2005>{{citation ...-18&nbsp;GHz, provides radar warning, and 1.4 to 5 degree DF (depending on frequency).

...quency of vibration]], in which case the pitch is uniquely related to that frequency at a given loudness.<ref name=Hallam/> ...f various pure tones. The various ''A''-notes are a factor of two apart in frequency, an ''octave'' (eight notes).<ref name=Gunther/> The number following a let

...ties. These ideal properties are independent of field strength, direction, frequency, or polarization, and from temperature.<ref name=Weiglhofer> ...not depend upon direction of propagation, field strength, polarization, or frequency. Consequently, classical vacuum is isotropic, linear, non-dichroic, and dis

...nd on the fate of the new budget in Congress. AEHF operates in a different frequency range and is more resistant to [[electronic warfare]] (EW) than the [[Wideb

...cation Reporting System (EPLRS), while the remainder use a commercial IEEE Frequency Bands| L-band satellite network. Both connectivity approaches have problems

...pacitively coupling modulated picoamperes currents through the body. A low frequency carrier (below 1 MHz) is used so very little energy is radiated outside the

..., a 2-pole low-pass filter, at least one (poly-mod) voltage-controlled low-frequency oscillator, and at least two envelope generators. The different keyboard's

!Frequency (MHz)

...]) of molecules interacting with probing signals of known [[energy]] (or [[frequency]], according to [[Planck's constant|Planck's formula]]). [[Scattering theor

...stabilize]] the circuit by introducing a dominant pole. This is known as [[frequency compensation]]. ...product|gain bandwidth products]] of hundreds of megahertz. For very high-frequency circuits, a completely different form of op-amp called the [[current-feedba

...aff has to be designed for a specific threat, when the Germans changed the frequency of their SN2 airborne intercept radar in 1943, the "Window" then used by th

...are mainly determined by music-like features (such as pitch, amplitude-and frequency-modulations, timbre and rhythm), and it is assumed that human musical abili ...-like magnetoencephalography responses modulated by semantic context, word frequency and lexical class in sentences, Neuroimage, 2002

* '''Memory/Heuristic''' - uses frequency, inverse document frequency (TF-IDF) text retrieval method<br />

Table 1.1 Frequency of Adult Lactose Intolerance within Population Groups <ref name=Jurmain2005 ...to ceasing the production of [[lactase]]. This would change the [[allele frequency]] making the expression of lactose intolerance genetically dominant. In

...; Allien, Stephanie; Pennell, Page B. (2022-02-22). "Variations in Seizure Frequency During Pregnancy and Postpartum by Epilepsy Type". Neurology. 98 (8): e802� ...equency and consider a shorter dosage interval (e.g., 10 weeks) if seizure frequency increases prior to the next dose (especially if on an enzyme-inducing ASM).

...and control using [[statistics| statistical]] determinations of incidence, frequency, prevalence and distribution. ...he time of year when there is more sunlight. [[Influenza]] shows a greater frequency during those times of the year when [[weather]] usually forces people insid

...wave vector is |'''k'''| = 2&pi;&nu;/''c'' = &omega;/''c'', with &nu; the frequency of the mode. The components of the vector '''k''' have discrete values (a c where &omega; &equiv; 2&pi;&nu; is the fundamental frequency of the oscillator. The ground state of the oscillator is designated by | 0

...ross Austereo's Triple M radio network. The station can be heard on DAB+ [[Frequency modulation|FM]] radios, mobile phones, and on-line. Triple M Classic Rock D ! Frequency (MHz)

* [[ARC-230|AN/ARC-230]] [[ITU frequency bands|High Frequency (HF)]] [[radio]], built around Rockwell-Collins HF-121C voice and data ope

...analysts]], and the complex patterns observed in the newly-available high-frequency financial data, which suggested links to various contemporary developments

...tion. Essential tremor may be accompanied by mild gait disturbance. Tremor frequency may decrease as the person ages, but the severity may increase, affecting t ...d a temperature-controlled electrode is inserted into the thalamus. A low-frequency current is passed through the electrode to activate the tremor and to confi

...mmon physical buses are wireless, where the common medium is a given radio frequency.

...netically active nuclei in the presence of a magnetic field by using radio frequency electromagnetic radiation.<ref> I. I. Rabi.(1937) Phys. Rev., 51 652</ref> Pulses of radio-frequency electromagnetic radiation can be used to perturb the nuclear spin systems i

...ionizing radiation|ionizing]] type of [[electromagnetic radiation]] in the frequency range of 3&times;10¹⁶ Hz to 3 &times; 10¹⁹ Hz. They c

...tion of the disperse cortical and thalamic neurons populations during high frequency oscillations; it is also known that these synchronizations underlie specifi

...Wavelength is inversely proportional to frequency, so increasing the radar frequency can improve resolution. It can be difficult to generate high power at the h

...eech]]. This [[spectrogram]] as used in [[acoustic phonetics]] shows the [[frequency|frequencies]] of vibrations involved in the production of six [[British Eng

...on|nonspecific SIGINT]] sensor can cue a [[MASINT#Frequency Domain MASINT| Frequency Domain MASINT]] sensor that can help identify the purpose of the signal. If ...ff the ground if it had to carry antennas and receivers for every possible frequency and signal type.

...top of the wall having long since been lost. Some experts assert that the frequency of turrets and milecastles made such a walkway superfluous.

...To define the basic constituent order type in this case one has to look at frequency of different types in declarative affirmative main clauses in pragmatically

..., through an AN-|AN/ALQ-99 pod, jams more complex waveforms over a broader frequency range. This new device replaces four on the Prowler. <ref name=Colucci2008-

...thought to mainly be in maintaining satiety following a meal as it is meal frequency and not meal size that is altered. This suggested that the link between the ...tatic hypothesis can control short term feeding behaviours related to meal frequency and meal size but it does not seem to have a major impact over long term en

...r reason that if the frequency(ies) of the threat are known, flooding that frequency will be a more efficient use of the available power. More sophisticated jam same frequency to confuse navigation. The meaconing stations cause inaccurate bearings

...ty in the [[head]]; [[scalp]]; or [[neck]]. the subtypes are classified by frequency and severity of symptoms. there is no clear cause even though it has been a

...e spin states of nuclei in the presence of a magnetic field by using radio frequency electromagnetic radiation.<ref> I. I. Rabi.(1937) Phys. Rev., 51 652</ref> Pulses of radio-frequency electromagnetic radiation can be used to perturb the nuclear spin systems i

...racted. Given the simplifying assumption that the signal stays on a single frequency, it will still be necessary to determine the type of modulation in use. ...e.g., a given country's medium artillery batteries might be known to use [[frequency modulation]], of a certain bandwidth per channel, for its tactical communic

where &omega;₀ = 2&pi;/''T'' is called the ''fundamental frequency'' and its multiples 2&omega;₀, 3&omega;₀,... are call

...eam from Washington, DC. While there, Fessenden, experimenting with a high-frequency spark transmitter, successfully transmitted speech on December 23, 1900 ove ...transmitter &mdash; one that produced a pure sine-wave signal on a single frequency &mdash; would be far more efficient, particularly because it could be used

...e [[#Digital telephony|digital telephony]] was [[N carrier]], which used [[frequency modulation]] to put a [[group (telephony)]] of 12 channels onto a pair. ...lexing systems, intended for longer range, could combine groups into wider-frequency signals that usually traveled over [[coaxial cable]] rather than [[twisted

...events, called tip-of-the-tongue states, happen a lot and may increase in frequency as we grow older (Schwartz, 2002). They are metacognitive in nature because

...oard broadcast system that acts like a transponder, operating in the [[ITU frequency bands|VHF maritime frequencies]]. VHF is a short-range [[radio]] technology

...showing a direct relationship between the energy of the electrons and the frequency of the incident radiation (the radiation that strikes the solid matter).<re

===Frequency dependence=== ...re for a device biased in active mode. This circuit reduces the problem of frequency response to the ''RC'' time-constants related to charge and discharge of va

...the h-equivalent circuit of the transistor agree with the small-signal low-frequency circuit found using the transistor [[hybrid-pi model]] at the right. Notati ...ifier agree with the small-signal circuit found using the small-signal low-frequency [[hybrid-pi model]] for the transistor. Notation: ''r_&pi;'' = ba

...omic sequences by Fan Ge, Li-San Wang, and Junhyong Kim. They estimate the frequency of HGT events at about 2% of core genes per genome.<ref>Ge F ''et al'' (200

...spectrum disorder. The talent of absolute pitch can change over lifetime. Frequency levels can move or misalign. ...supposed to delay and weaken responses to stimuli that slightly differ in frequency and is vital for speech comprehension and working memory tasks for which au

...ot have disease will yield an accuracy of over 99%, whereas if the disease frequency were 999 in one thousand, the same guess would yield an accuracy near 1%.

...nd the longest wave length and highest energy corresponds with the highest frequency and shortest wavelength </ref>

...ox, where now energy determines the oscillatory time dependence instead of frequency. Thus, a particle is able to exist in the box with only a set of discrete e

...climax" community unattainable. Climate change often occurs at a rate and frequency sufficient to prevent arrival at a climax state. Additions to available sp

...nted properly, Jewish laws could serve to regulate the timing, potency and frequency of marital relations so as to maximize reproductive outcomes. ...ng of marital relations so as to synchronize with the menstrual cycle. The frequency of martial relations, moreover, is governed by Jewish laws concerning the h

...ttke H, Rau T, Heide R, Bergmann K, Böhm M, Weil J et al.| title=Increased frequency of cytochrome P450 2D6 poor metabolizers among patients with metoprolol-ass

...which controlled AAA. These reports were sent by ITU frequency bands|high-frequency (HF) radiotelegraphy, in standardized message formats where only the speci ...mmunications systems emanated from Air Defense Headquarters, including ITU frequency bands|VHF voice}}, landlines, and HF/MF. Due to the need to move informatio

...well as the [[MQ-9 Reaper]]. This package is optimized to intercept lower-frequency communications, such as mobile telephones. It is also carried by the [[MQ-4

...hate) that are added to the Bays by human activities may contribute to the frequency and intensity of blooms.

...gy Control Regime (MCTR). Where COBRA JUDY is built into a ship, this dual frequency (S- and X-band) radar is transportable, capable of operating on ships or on

...He was (for both fracture healing and regeneration) not concerned with the frequency aspect of the stimulation − in contrast to e.g. [[Royal Rife]] and [[Huld ...e health impact of extremely low frequency electromagnetic fields and high frequency waves were drawn up and proposed to international political institutions (W

|+ Dosing frequency and compliance

Additional modes operated in a "broadband" mode as a modulated radio frequency signal on cable television distribution systems, and with optical signaling

==[[Frequency]]== Frequency is the repetition rate at which cyclical (repetitive) phenomena repeat.

* Frequency band: 2.4 GHz

...f J, Quigley EM |title=An examination of the reliability of reported stool frequency in the diagnosis of idiopathic constipation |journal=Am. J. Gastroenterol.

...ence''' (SCR) is a timing value stored in a 33-bit header of each ES, at a frequency/precision of 90 kHz, with an extra 9-bit extension that stores additional t ...converts the 64 uncompressed pixel values (brightness) into 64 different ''frequency'' values. One (large) '''DC coefficient''', which is the average of the en

...hate) that are added to the Bays by human activities may contribute to the frequency and intensity of blooms.

...l constants ''m'', ''k'', and ''h''. As a first step we define the angular frequency &omega; &equiv; &radic;''k''/''m'', the same formula as for the classical

...include a [[emergency position indicating radio beacon]] (EPIRB) and [[ITU frequency bands|VHF]] [[radio]] equipped with [[digital selective calling]] (DSC) and

...SM, Barnsley L, Wallis BJ, McDonald GJ, Bogduk N| title=Percutaneous radio-frequency neurotomy for chronic cervical zygapophyseal-joint pain. | journal=N Engl J

...t|500px|This [[spectrogram]] as used in [[acoustic phonetics]] shows the [[frequency|frequencies]] of vibrations involved in the production of six [[British Eng

..."The Differential Effects of Three Simulated Systems of Inbreeding on the Frequency of the tw Allele in Wild Populations of Mus Musculus on nomination of Richa

...etection (LPI/LPD) because off-the-shelf radios can be [[frequency agility|frequency agile]], [[spread spectrum]], and transmit in bursts. Even further, FAPSI provided commercial secure communications, leasing radio frequency bands and government communications lines to both domestic and foreign comp

...xt{Weight}_{ij} = \text{Term frequency}_{ij} \times \text{Inverse document frequency}_{ij}</math> <math>\text{Inverse document frequency}_{i} = \text{log} \left ( \frac{\text{number of documents}}{\text{number o

| title = Frequency of Acute Coronary Syndrome in Patients with Normal Electrocardiogram Perfor

...ange of disorders covered by the SVPA, <blockquote>cit[ing] the increasing frequency of incidents involving [respondent], increasing intensity of the incidents,

...ical synapses act as [[low-pass filters]] (preferentially transmitting low-frequency signals) as a consequence of a [[capacitance]] and [[conductance]] of the p

....ahajournals.org/cgi/pmidlookup?view=long&pmid=14609996 |issn=}}</ref> The frequency of death from any cause fell from 2.8% to 2.2% ([[number needed to treat]] ....ahajournals.org/cgi/pmidlookup?view=long&pmid=14609996 |issn=}}</ref> The frequency of death from any cause fell from 2.8% to 2.2% ([[number needed to treat]]

#'''Frequency of dosing and route of administration''': All are injectable, but need vari

...y a particle called the [[photon]] with a discrete energy dependent on its frequency. This led to a [[Photon polarization|theory of unity]] between subatomic pa ...efine energy. Max Planck discovered a constant that when multiplied by the frequency of any wave gives the energy of the wave. This constant is referred to by t

...h apes living in different areas show that terrestrial apes show a higher frequency oof horizontal scanning) - 35 million SNPs --> frequency of 1.06%

The frequency of various symptoms has been studied using collegiate [[football]] players: ! &nbsp;!! Frequency

==Frequency of occurrence==

...ISC]] CPU with 32-bit Instruction Set and 128-bit FPU functions (operating frequency: 200&nbsp;[[MHz]], 360&nbsp;[[Instructions per second|MIPS]], 1.4 GFLOPS)

...ssion is usually via satellite, but some countries are using coastal [[ITU Frequency Bands|VHF]] repeater systems.

One caveat is that a Chessmetrics rating takes into account the frequency of play. According to Sonas, "As soon as you go a month without playing, yo

*[http://www.tandfonline.com/doi/abs/10.1080/00908319508946091 Low-Frequency Electric and Magnetic Fields] Evaluation of Power Lines

...es or mites and by direct cell to cell transfer. Such transfers occur at a frequency that is low compared with the hybridization that occurs during pollination, Since neither selection nor low mutation frequency can explain the similar DNA between the grasses, the authors conclude, a tr

== Frequency and statistics== .... Consequently, no accurate study has ever been conducted to determine the frequency of snakebites on the international level. Despite this, many encyclopedia a

...=Muller JE, Stone PH, Turi ZG, ''et al'' |title=Circadian variation in the frequency of onset of acute myocardial infarction |journal=N. Engl. J. Med. |volume=3 ...ansient left ventricular dysfunction syndrome (tako-tsubo cardiomyopathy): frequency, mechanisms, and prognosis |journal=Chest |volume=132 |issue=3 |pages=809�

...ctors of '''F''' (last six rows of '''Q''') have eigenvalue zero (are zero-frequency modes). They span the ''external space''. ...ero-frequency eigenvectors are orthogonal to the eigenvectors of non-zero frequency.

...e possible to Congress to deliberate questions of war. With the increasing frequency of surprise attacks in the twentieth century, it was understood forces need

...ficial compendia as one that allows at least a twofold reduction in dosing frequency as compared to that drug presented as a conventional dosage form (e.g., as

...light is white (that is, consists of all colors of the spectrum) then the frequency of the light that is reflected is determined by the particular wavelengths

...bob, and '''''r''''' is the radius vector from the origin to the bob. The frequency ''&omega;'' is related to the period ''T'' of the swing as:

...ion]] over successive generations, as determined by shifts in the [[allele frequency|allele frequencies]] of [[gene]]s. Over time, this process can result in [[ ...called [[Neutral theory of molecular evolution|neutral mutations]]. Their frequency in the population is governed by mutation rate, genetic drift and selective

...sed a [[Probability| frequentist]] picture: probability refers to relative frequency in many repetitions. Also, it didn't address the issue of whether the speci

The results plot energy versus frequency. A spectral plot represents radiant intensity versus wavelength at an insta ...ws discrimination of refined signatures, based on a large number of narrow frequency bands across a wide spectrum.<ref name=Kolodner>{{cite web

...events, called tip-of-the-tongue states, happen a lot and may increase in frequency as we grow older (Schwartz, 2002). They are metacognitive in nature because

...ity), which has first been investigated only with physical deviants like [[frequency]], [[intensity]], [[timbre]] deviants (referred to as [[phMMN]]) and could ...ented with a regular chord. Contrary to this finding the phMMN elicited by frequency deviants did not interact with the LAN.

...y, in a given direction, of a source that emits monochromatic radiation of frequency 540 x 10¹² hertz and that has a radiant intensity in that direct | [[Frequency]]

...the variants, identified in the region encoding beta-MSH, had an increased frequency compared to the control group. Individuals with the mutation were more like

...duce offspring that can mature and reproduce, will tend to ''multiply'' in frequency among members of the species over generations. ...tion's so-called [[gene frequency]], or [[allele frequency]], the relative frequency of [[allele]]s for particular gene loci in the evolving population, measure

...n transferable plasmids. The resistant plasmids can be transferred with a frequency ranging from 2x10^-4 to 4x10^-2 per donor cells. Theref

...cination that the Western world holds of this practice has intensified the frequency of this ritual. What was once a way of exhibiting dominance and showing fie

Q fever is present worldwide, except in [[New Zealand]]. The frequency ranges from 5% in [[urban]] areas to 30% in [[rural]] areas. The [[United K

...is MA involved magnetic properties of iron which he investigated with high-frequency radio waves, discovered by [[Heinrich Rudolf Hertz]] in the late 1880s.

...or=Montague BT, Ouellette JR, Buller GK| title=Retrospective review of the frequency of ECG changes in hyperkalemia. | journal=Clin J Am Soc Nephrol | year= 200

...s), also in terms of the [http://friendfeed.com/search?q=computer updating frequency].<br />

...ctave) and the overlap in vibration patterns compromises the resolution of frequency on the basilar membrane, leading to beating and the perception of roughness

...e skin, which not only makes a baby more comfortable, but also reduces the frequency and severity of [[diaper rash]]. Cloth diapers have improved in their cons

...es measured were bait selection frequency, vaccine container (VC) puncture frequency, and consumption. Results showed that bait characteristics such as flavor,

...the relative head size of ''C. cerastes'' is larger and there is a greater frequency of horned individuals (13% versus 48% respectively).<ref name="Mal03"/><ref

...can be rejected at once. More heuristic rejection rules can use character frequency or word recognition. It would be quite difficult to get a computer to recog

ADRs may be described by their frequency and severity ===Frequency===

...l evidence that natural horizontal gene transfer does occur in plants at a frequency that is significant over evolutionary time scales. Over the evolutionary ti ...icant ecological impact if the plants receiving the trait ccan increase in frequency and persist in natural populations. This can occur:

:* '''Spectral resolution''' is the number of discrete frequency (or equivalent) bands recorded in an individual pixel. Remember that relati

...the magnetic field and precess in relation to the field. Applying a radio-frequency pulse perpendicular to this field causes them to move in phase.

...gy Control Regime (MCTR). Where COBRA JUDY is built into a ship, this dual frequency (S- and X-band) radar is transportable, capable of operating on ships or on ...frasound microbarographs (acoustic pressure sensors) that detect very low-frequency sound waves in the atmosphere produced by natural and man-made events.

...riginal analog frequency. Nyquist proved this was true because an audible frequency must be sampled once for compression and once for rarefaction. For example

...crypted results each time. Monoalphabetic ciphers are highly vulnerable to frequency analysis attacks, so mechanical cryptosystems are generally polyalphabetic.

...]]s). Einstein's energy parcels are of size ''h&nu;'', where &nu; is the [[frequency]] of the [[electromagnetic wave]]s.<ref>For black-body radiation &nu; is ab

...number of bumps and the rotation speed of the wheel determines the tone's frequency. A synchronous motor turns the wheels through a set of axles and gears. The

...trations is recommended, although clinical judgment should guide the exact frequency of monitoring (level of evidence, 3; grade of recommendation, B).

...mid3421564">{{cite journal| author=Manu P, Lane TJ, Matthews DA| title=The frequency of the chronic fatigue syndrome in patients with symptoms of persistent fat

...which has always been the disgrace of our art – by at once diminishing the frequency of administration of drugs and lessening their dose.” (Chapter VII, pp 16

...as limited to 10kHz, but he later obtained permission to move to a carrier frequency to 4.95 MHz with a bandwidth of 100 kHz. Jenkins employed a rotating [[mirr ...r found itself on solid financial ground. Forced to expand on [[Ultra high frequency|UHF]] channels during an era when UHF was not profitable, DuMont ceased bro

...first intercourse, the average frequency outside marriage, and the average frequency inside. Voluntary abstinence is a simple and highly effective technique to

...first intercourse, the average frequency outside marriage, and the average frequency inside. Voluntary abstinence is a simple and highly effective technique to

...f action potentials arriving in rapid succession. The phenomenon is called frequency dependence of synaptic transmission. The nervous system exploits this prope

...Cystitis is usually associated with painful urination (dysuria), increased frequency, urgency, and suprapubic pain."<ref>{{cite web |url=http://www.nlm.nih.gov/

...Studies in Frontotemporal Dementia] Boccardi, M. (2006). There are varied frequency values in the literature, some as high as 25% of all adult onset and 7-15%

...t the field. By exciting the nuclei with energy, typically in the [[radio frequency]] range of the [[electromagnetic spectrum]], the lowest energy state is exc

...pecies, bird or fish are at a higher level, etc. Similarly, the notion of frequency is very closely tied to the basic level, but is hard to pinpoint.

...ch as [[schedule|scheduling]], [[register allocation]] in [[compiler]]s, [[frequency assignment]] in [[mobile radio]]s, and [[pattern matching]]. It has even b

D. Attacks have a frequency from one every other day to 8 per day<br>

...tance to wind and seismic loadings, especially performance near [[Resonant frequency|resonant frequencies]], which affect the overall stability of a structure a

...antennae allowed for communication directly with the Earth. A [[Ultra high frequency|UHF]] (381 MHz) antenna provided a one-way relay to the orbiter using a 30

...ulation of ''C. albican''s is said to have high polymorphisms. The average frequency of polymorphism is one in 237 bases. Many allelic differences have been fou