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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 ( '''''T2 KB (257 words) - 20:29, 21 July 2020
- 169 bytes (24 words) - 13:28, 28 September 2008
- 29 bytes (2 words) - 15:30, 27 February 2010
- #REDIRECT [[ITU frequency bands]]33 bytes (4 words) - 06:50, 19 November 2011
- #REDIRECT [[ITU frequency bands]]33 bytes (4 words) - 06:50, 19 November 2011
- ...tic signal of constant frequency -- the "carrier wave" -- by changing the frequency in proportion to the instantaneous strength of the information signal to be546 bytes (86 words) - 22:47, 21 May 2008
- #Redirect [[Frequency modulation]]34 bytes (3 words) - 08:57, 22 May 2008
- ...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 (197 words) - 05:49, 8 April 2024
- ...(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 bands2 KB (267 words) - 20:38, 20 November 2008
- #Redirect [[ITU frequency bands]]33 bytes (4 words) - 06:38, 21 May 2008
- #REDIRECT [[Radio Frequency Identification]]44 bytes (4 words) - 19:07, 2 February 2009
- #Redirect [[IEEE frequency bands]]34 bytes (4 words) - 06:39, 21 May 2008
- Technique for imposing information onto a electromagnetic signal of constant frequency -- the "carrier wave".145 bytes (18 words) - 13:09, 11 July 2009
- #Redirect [[IEEE frequency bands]]34 bytes (4 words) - 06:40, 21 May 2008
- A part of the radio frequency spectrum between 3 and 30 Megahertz65 bytes (10 words) - 13:23, 11 December 2010
- 35 bytes (3 words) - 19:20, 6 May 2008
- ...uencies, possibly under the control of pseudo-random, network-synchronized frequency selection software249 bytes (29 words) - 23:46, 17 July 2008
- ...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 range2 KB (232 words) - 10:54, 19 September 2009
- '''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 conn2 KB (384 words) - 19:07, 2 February 2009
- #REDIRECT [[ITU frequency bands]]33 bytes (4 words) - 06:39, 21 May 2008
- {{r|ITU frequency bands}} {{r|IEEE frequency bands}}362 bytes (44 words) - 12:21, 25 June 2012
- 402 bytes (55 words) - 17:51, 28 July 2009
- 340 bytes (44 words) - 01:51, 23 March 2014
- 220 bytes (23 words) - 05:15, 4 September 2009
- 231 bytes (26 words) - 14:02, 4 September 2009
- {{r|IEEE frequency bands}}167 bytes (19 words) - 21:11, 8 March 2011
- 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
- Auto-populated based on [[Special:WhatLinksHere/ITU frequency bands]]. Needs checking by a human. {{r|EU-NATO-US frequency bands}}1 KB (187 words) - 09:11, 22 April 2024
- 145 bytes (17 words) - 16:03, 3 April 2024
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 information223 bytes (27 words) - 09:33, 24 August 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 (197 words) - 05:49, 8 April 2024
- ...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 range2 KB (232 words) - 10:54, 19 September 2009
- {{r|Frequency modulation}} {{r|Radio-Frequency Identification}}783 bytes (98 words) - 18:55, 27 February 2014
- ...in 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.974 bytes (143 words) - 16:23, 30 March 2024
- {{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 secure267 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 Mis294 bytes (40 words) - 00:54, 23 July 2010
- ...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 (183 words) - 12:46, 30 March 2024
- 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
- ...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 be546 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
- #REDIRECT [[Frequency]]23 bytes (2 words) - 17:08, 7 April 2010
- ...tional, but they will gradually be replaced by the Advanced Extremely High Frequency (AEHF) family, which at one time was designated MILSTAR III. MILSTAR satellites were the first to use [[ITU Frequency Bands|Extremely High Frequency (EHF)]] communications. They are crosslinked in space with 10 Mbps digital741 bytes (110 words) - 10:20, 8 April 2024
- #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) - 06:50, 19 November 2011
- #REDIRECT [[Radio Frequency Identification]]44 bytes (4 words) - 19:07, 2 February 2009
- #REDIRECT [[ITU frequency bands]]33 bytes (4 words) - 06:39, 21 May 2008
- #REDIRECT [[Radio Frequency Identification]]44 bytes (4 words) - 16:02, 3 February 2009
- #Redirect [[ITU frequency bands]]33 bytes (4 words) - 06:38, 21 May 2008
- #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
- {{r|IEEE frequency bands}} {{r|ITU frequency bands}}413 bytes (58 words) - 04:56, 14 March 2024
- Abnormal frequency and liquidity of faecal discharges.91 bytes (10 words) - 08:04, 7 September 2009
- Its operating frequency is in the [[EU-NATO-US frequency bands|NATO G Band]], between 4 and 6 GHz. The antenna is a [[passive electr462 bytes (67 words) - 17:56, 1 April 2024
- {{r|Frequency}} {{r|Frequency modulation}}463 bytes (55 words) - 07:41, 16 April 2010
- A part of the radio frequency spectrum between 3 and 30 Megahertz65 bytes (10 words) - 13:23, 11 December 2010
- ...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 ( '''''T2 KB (257 words) - 20:29, 21 July 2020
- <noinclude>{{Subpages}}</noinclude> Frequency changes of a wave due to relative motion between source and observer.115 bytes (16 words) - 07:50, 22 May 2011
- <noinclude>{{Subpages}}</noinclude>U.S. Navy family of low-frequency analysis and recording (LOFAR) passive [[sonobuoy]]s121 bytes (16 words) - 00:04, 1 February 2011
- Technique for imposing information onto a electromagnetic signal of constant frequency -- the "carrier wave".145 bytes (18 words) - 13:09, 11 July 2009
- A simple test device to detect radio frequency oscillation in an electronic circuit.121 bytes (16 words) - 18:41, 30 September 2009
- ...typically operate these radios using [[frequency modulation]] in the [[ITU frequency bands|high HF to low VHF frequencies]], typically 30-75 MHz.620 bytes (93 words) - 10:20, 8 April 2024
- ...sent [[MILSTAR]] system, or their replacement, the Advanced Extremely High Frequency (AEHF) satellites. AEHF will provide substantially more bandwidt. ...eosynchronous orbit (GEO)]], and have six [[ITU frequency bands|Super High Frequency (SHF)]] communications relay channel [[transponder]]s, plus a seventh chann951 bytes (130 words) - 10:20, 8 April 2024
- Directional frequency analysis and recording (DIFAR) passive [[sonobuoy]] family built for the [[153 bytes (18 words) - 01:18, 1 February 2011
- A radio frequency exitation and receiving probe whose electronics are cooled to 15-25 degrees154 bytes (20 words) - 12:21, 8 November 2008
- ==Fundamental frequency== ...l vibration frequencies are typically integer multiples of the fundamental frequency. In more complex systems, such as the circular membranes used for drum head2 KB (288 words) - 13:04, 19 February 2022
- Perceived frequency of a sound or [[Tone (music)|musical tone]].100 bytes (13 words) - 17:46, 30 June 2012
- Frequency measurement - things that [[oscillate]] more than one million times a secon155 bytes (21 words) - 20:39, 5 January 2024
- '''RF (radio frequency) electronics''' have two subsystems: the transmitter and the receiver. ...MR experiments require simultaneous application of RF pulses of different frequency. Earlier MR systems used waveform generators with subsequent phase modulati1 KB (187 words) - 16:18, 3 April 2024
- Auto-populated based on [[Special:WhatLinksHere/ITU frequency bands]]. Needs checking by a human. {{r|EU-NATO-US frequency bands}}1 KB (187 words) - 09:11, 22 April 2024
- Soviet [[EU-NATO-US frequency bands|E-band]] early warning radar, used with [[SA-5 GAMMON]] [[surface-to-154 bytes (17 words) - 19:34, 2 August 2008