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Abnormal frequency and liquidity of faecal discharges.

Its operating frequency is in the [[EU-NATO-US frequency bands|NATO G Band]], between 4 and 6 GHz. The antenna is a [[passive electr

{{r|Frequency}} {{r|Frequency modulation}}

A part of the radio frequency spectrum between 3 and 30 Megahertz

...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

<noinclude>{{Subpages}}</noinclude> Frequency changes of a wave due to relative motion between source and observer.

A simple test device to detect radio frequency oscillation in an electronic circuit.

<noinclude>{{Subpages}}</noinclude>U.S. Navy family of low-frequency analysis and recording (LOFAR) passive [[sonobuoy]]s

Technique for imposing information onto a electromagnetic signal of constant frequency -- the "carrier wave".

...typically operate these radios using [[frequency modulation]] in the [[ITU frequency bands|high HF to low VHF frequencies]], typically 30-75 MHz.

...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 chann

Auto-populated based on [[Special:WhatLinksHere/ITU frequency bands]]. Needs checking by a human. {{r|EU-NATO-US frequency bands}}

A radio frequency exitation and receiving probe whose electronics are cooled to 15-25 degrees

Directional frequency analysis and recording (DIFAR) passive [[sonobuoy]] family built for the [[

==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 head

Perceived frequency of a sound or [[Tone (music)|musical tone]].

Frequency measurement - things that [[oscillate]] more than one million times a secon

'''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 modulati

Soviet [[EU-NATO-US frequency bands|E-band]] early warning radar, used with [[SA-5 GAMMON]] [[surface-to-

States that [[gene frequency]] remains constant across generations (no [[genetic drift]]) unless a force