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** In an AM ( amplitude modulation ) transmitter the amplitude ( strength ) of the carrier wave is varied in proportion to the audio signal.
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** and AM
** WWI ends: Germany signs an armistice agreement with the Allies between 5: 12 AM and 5: 20 AM in Marshal Foch ’ s railroad car in Compiègne Forest in France.
** In the United States, KDKA AM of Pittsburgh, Pennsylvania ( owned by Westinghouse ) starts broadcasting as a commercial radio station.
** The first religious radio broadcast is heard over station KDKA AM in Pittsburgh, Pennsylvania.
** AM America makes its television debut on ABC.
** AM Tower Site: St John Avenue, Dyersburg, TN
** WEVG 1470 AM ( talk radio )
** WMGA-1130 AM Spanish
** WMTM-1300 AM Gospel music
** WHBS-1400 AM Religious
** 1020 AM KJJK ( AM ) ( Christian ), Result Radio, Inc.
** 1250 AM KBRF ( Country ), Result Radio, Inc.
** Western Star Lodge, F & AM, chartered.
** Canada AM premieres on CTV ( 1972 – present ).
** For those who wish to listen to AM radio, or are amateur radio operators ( hams ) or shortwave listeners ( SWL ), the radio frequency interference ( RFI ) from these devices can be irritating or disabling.
** George Carlin for FM & AM
** George Carlin for FM and AM
** WFAN ( 660 AM ), the defunct New York City AM radio station's successor
** Release AM
** Wing Commander Harry " Wings " Day ( Harry Melville Arbuthnot Day ), GC ( formerly AM )
** AM Style with Leah Williams
** WGN ( AM ), a radio station ( 720 AM ) licensed to Chicago, Illinois, United States
** and amplitude
** Quadrature amplitude modulation ( QAM )
** Frequency modulation ( FM ) ( here the frequency of the carrier signal is varied in accordance to the instantaneous amplitude of the modulating signal )
** Phase modulation ( PM ) ( here the phase shift of the carrier signal is varied in accordance to the instantaneous amplitude of the modulating signal )
** Node ( physics ), a point along a standing wave where the wave has minimal amplitude
** independent of amplitude ( linear media, not nonlinear ).
** Return loss, the ratio of the amplitude of the reflected wave to the amplitude of the incident wave
** Butterworth filter – flattest amplitude response ; Q = 0. 7071 for 2nd-order filters
** Subnormal frequency and amplitude of GH secretory peaks when sampled over several hours
** Booster: Modifies the amplitude of the vibration.
** Essential tremor ( 6-8 Hz variable amplitude )
** Cerebellar tremor ( 6-8 Hz variable amplitude )
** Parkinsonian tremors ( 4-8 Hz variable amplitude )
** Physiological tremor ( 10-12 Hz low amplitude )
** a continuous wave is an electromagnetic wave of constant amplitude and frequency
** and modulation
** Double-sideband modulation ( DSB )
** Single-sideband modulation ( SSB, or SSB-AM )
** Vestigial sideband modulation ( VSB, or VSB-AM )
** M-ary vestigial sideband modulation, for example 8VSB
** Polar modulation like QAM a combination of PSK and ASK.
** discrete multitone ( DMT )-including adaptive modulation and bit-loading.
** Self-phase modulation ( SPM ), an effect due to the Optical Kerr effect ( and possibly higher order nonlinearities ) caused by the temporal variation in the intensity creating a temporal variation in the refractive index
** Optical solitons, An equilibrium solution for either an optical pulse ( temporal soliton ) or Spatial mode ( spatial soliton ) that does not change during propagation due to a balance between diffraction and the Kerr effect ( e. g. Self-phase modulation for temporal and Self-focusing for spatial solitons ).
** Delta-sigma modulation
** The " nominal frequency " or the center frequency of an analog frequency modulation, phase modulation, or double-sideband suppressed-carrier transmission ( DSB-SC ) ( AM-suppressed carrier ), radio wave
** In very technical language: The nominal frequency or center frequency of various kinds of radio signals with digital modulation -- provided that the message bit stream is a random uncorrelated sequence of equally probable ones and zeroes (" marks " and " spaces ")
** In an FM ( frequency modulation ) transmitter the frequency of the carrier is varied by the audio signal.
** Frequency modulation synthesis, a form of audio synthesis where the timbre of a simple waveform is changed by frequency modulating it with a modulating frequency that is also in the audio range
** Frequency modulation synthesis, a sound-generation technique popularized by early digital music synthesizers
** decal, modulation blending, tiling ( 16K / 128K texture buffer built-in )
** Pulse-code modulation ( PCM )
** Oscillator Synchronization, Ring modulation
** Inter-carrier interference ( ICI ), caused by doppler shift in OFDM modulation
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