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  • ...repetitions (cycles) in a unit of [[time]]. In the [[SI]] system of units, frequency is measured in [[Hertz]] ('''Hz'''), the number of repetitions in one [[sec Frequency ( '''''f''''' ) is the reciprocal of the period ( '''''T
    2 KB (257 words) - 20:29, 21 July 2020
  • #REDIRECT [[ITU frequency bands]]
    33 bytes (4 words) - 06:50, 19 November 2011
  • ...the frequencies available for use, and the schedule or events that cause a frequency shift. ...as cellular radio that shifts to find a frequency that is not busy, in a [[frequency division multiple access]] network.
    1 KB (194 words) - 15:24, 27 February 2010
  • 169 bytes (24 words) - 13:28, 28 September 2008
  • ...tic signal of constant frequency -- the "carrier wave" -- by changing the frequency in proportion to the instantaneous strength of the information signal to be
    546 bytes (86 words) - 22:47, 21 May 2008
  • 29 bytes (2 words) - 15:30, 27 February 2010
  • #Redirect [[Frequency modulation]]
    34 bytes (3 words) - 08:57, 22 May 2008
  • #REDIRECT [[ITU frequency bands]]
    33 bytes (4 words) - 06:50, 19 November 2011
  • #REDIRECT [[ITU frequency bands]]
    33 bytes (4 words) - 06:39, 21 May 2008
  • ...(IEEE) has defined as standard IEEE Standard 521-1984, a system of '''IEEE frequency bands''' for electromagnetic frequencies used for [[radio]] and [[radar]]. | chapter = Frequency letter bands
    2 KB (267 words) - 20:38, 20 November 2008
  • A part of the radio frequency spectrum between 3 and 30 Megahertz
    65 bytes (10 words) - 13:23, 11 December 2010
  • ...uencies, possibly under the control of pseudo-random, network-synchronized frequency selection software
    249 bytes (29 words) - 23:46, 17 July 2008
  • '''Radio Frequency Identification (RFID)''' systems have recently garnered interest in the fie RFID systems consist of a Radio Frequency (RF) tag reader, typically consisting of a transmitter/receiver module conn
    2 KB (384 words) - 19:07, 2 February 2009
  • #Redirect [[ITU frequency bands]]
    33 bytes (4 words) - 06:38, 21 May 2008
  • {{r|ITU frequency bands}} {{r|IEEE frequency bands}}
    362 bytes (44 words) - 12:21, 25 June 2012
  • #Redirect [[IEEE frequency bands]]
    34 bytes (4 words) - 06:39, 21 May 2008
  • #Redirect [[IEEE frequency bands]]
    34 bytes (4 words) - 06:40, 21 May 2008
  • #REDIRECT [[Radio Frequency Identification]]
    44 bytes (4 words) - 19:07, 2 February 2009
  • Technique for imposing information onto a electromagnetic signal of constant frequency -- the "carrier wave".
    145 bytes (18 words) - 13:09, 11 July 2009
  • 35 bytes (3 words) - 19:20, 6 May 2008

Page text matches

  • ...ery high frequency (VHF)]] part of the electromagnetic spectrum; it uses [[frequency agility]] and is otherwise designed to operate in an [[electronic warfare]]
    313 bytes (44 words) - 22:45, 11 September 2009
  • ...-range early warning [[radar]], operating in the [[ITU frequency bands|VHF frequency range]]
    141 bytes (18 words) - 21:58, 31 October 2008
  • {{r|Frequency}} {{r|ITU frequency bands}}
    334 bytes (41 words) - 16:03, 8 March 2010
  • ...itime Distress and Safety System]] (GMDSS), a [[ITU frequency bands|medium frequency]] radio broadcast service for marine-oriented weather information
    223 bytes (27 words) - 09:33, 24 August 2010
  • ...d ballistic missile]] detection; operates in the [[ITU Frequency Bands|UHF frequency band]]; located at [[Eglin Air Force Base]]
    262 bytes (34 words) - 00:50, 23 July 2010
  • ...the frequencies available for use, and the schedule or events that cause a frequency shift. ...as cellular radio that shifts to find a frequency that is not busy, in a [[frequency division multiple access]] network.
    1 KB (194 words) - 15:24, 27 February 2010
  • ...radar designations used widely in civilian practice, and the [[EU-NATO-US frequency bands]] for a nomenclature that works well in fine-grained radar band discu ! Frequency range
    2 KB (232 words) - 10:54, 19 September 2009
  • {{r|Frequency modulation}} {{r|Radio-Frequency Identification}}
    783 bytes (98 words) - 18:55, 27 February 2014
  • ...[radio]] communications, converts information at a low frequency to a high frequency suitable for transmission. On reception, it reverses the process. Typically ...t frequency'' from the local oscillator, and the known unmodulated carrier frequency.
    959 bytes (140 words) - 15:29, 27 February 2010
  • {{r|ITU frequency bands}} {{r|IEEE frequency bands}}
    362 bytes (44 words) - 12:21, 25 June 2012
  • ...vehicle-mounted medium to high power (100-400W) [[ITU Frequency Bands|High Frequency (HF)]] radio transceiver; uses [[TSEC/KY-99]] and [[TSEC/KG-84]] for secure
    267 bytes (37 words) - 00:03, 28 July 2010
  • {{r|Frequency modulation}} {{r|Beat frequency}}
    291 bytes (32 words) - 08:05, 20 May 2008
  • ...with a large parabolic antenna, operating in the [[ITU Frequency Bands|VHF frequency spectrum]], which was the initial tracking component of the [[Ballistic Mis
    294 bytes (40 words) - 00:54, 23 July 2010
  • Auto-populated based on [[Special:WhatLinksHere/IEEE frequency bands]]. Needs checking by a human. {{r|EU-NATO-US frequency bands}}
    658 bytes (89 words) - 17:21, 11 January 2010
  • ...the frequency-dependent polarizability α(ω) in even powers of frequency ω.
    221 bytes (32 words) - 09:21, 27 July 2008
  • ...ncy of the carrier wave is usually associated with a [[ITU frequency bands|frequency band]]. The information may be [[voice]], [[data]], [[imagery]] or instrume ==Radio frequency aspects==
    1 KB (185 words) - 21:35, 17 January 2021
  • ...is mixed with a locally generated signal and converted to an intermediate frequency in order to facilitate amplification and the rejection of unwanted signals.
    261 bytes (39 words) - 05:26, 4 September 2009
  • ...tic signal of constant frequency -- the "carrier wave" -- by changing the frequency in proportion to the instantaneous strength of the information signal to be
    546 bytes (86 words) - 22:47, 21 May 2008
  • {{r|Beat frequency}} {{r|Beat frequency oscillator}}
    280 bytes (34 words) - 08:27, 20 May 2008
  • ...;) can be determined from the wave speed ( '''''c''''' ) and [[frequency]] ( '''''f''''' ): ...]]). Rounding to convenient values for [[radio]] waves, 300 divided by the frequency in megahertz (Mhz) gives the wavelength in [[meter]]s:
    1 KB (207 words) - 19:41, 21 July 2020
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