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Electronically, it covers the entire military VHF/UHF frequency range, from 30 to 512 MHz, in line-of-sight (LOS), beyond-line-of-sight (BL

...y packet-oriented transmission. 500 kHz radiotelegraphy, long the distress frequency monitored for [[SOS]] signals, is no longer part of the [[Global Maritime D

...of the photon emitted by NO₂^*. Further, ν is the frequency of the emitted light; it is related to [[wavelength]] by

...lent time synchronization among the system components. If the system uses frequency agility, spread spectrum, or combination techniques of electronic protectio

...have the effect of keeping the overall frequency response faithful to the frequency vs. energy distribution in speech. ...all onto a separate copper pair became mechanically impractical. Since the frequency response of even basic copper wire is greater than the range needed for an

...t extensive research strongly suggests that its main mechanism is to block frequency-, use- and voltage-dependent neuronal sodium channels, and therefore limit

...and military emergency channels to the worldwide dedicated distress beacon frequency of 406 MHz. For maritime use, they are automatically triggered, as when a v ...PS]] radios. Such radios, [[ITU frequency bands|VHF]] near shore and [[ITU frequency bands | MF]] further at sea, have distress switches that can be actuated in

...length]] increases, thereby causing an apparent decrease in the observed [[frequency]]. If the emitted radiation happens to be in the middle of the visible spec

...s. Unlike radio, they are not tied to any specific requirement in terms of frequency of updates or length of shows - thus allowing people to have more sporadic

...e]] in radio signals received on Earth. Observations focus on the 1420 MHz frequency at which hydrogen radiates, knowledge of which is believed to be a prerequi

...e designed to respond to all, or selected parts, of these various acoustic frequency ranges. They can simultaneously filter and generate signals.

...examined by comparing diseased and non-diseased persons with regard to the frequency or levels of the attribute in each group."<ref>{{MeSH}}</ref><ref name="isb ...nd a control group and then are prospectively followed in order to measure frequency of outcomes.

...ble frequency of significant power. #Frequency agility and spread spectrum|frequency agility and spread spectrum techniques make it much less likely that a chan ...ptosystem traffic. But "HF/DF" Signals intelligence#direction finding|High Frequency Direction Finder) was still able to find where the U-Boats were by analysis

*Frequency hopping multiplexer

{{r|Frequency agility}}

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,