T 7.2.1.3 Amplitude Modulation
T 7.2.1.3 Amplitude Modulation
T 7.2.1.3 Amplitude Modulation
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TPS <strong>7.2.1.3</strong><br />
Keywords<br />
Keywords<br />
AM demodulation ............................................................................................................................25<br />
amplitude deviation ..........................................................................................................................23<br />
amplitude error .................................................................................................................................57<br />
amplitude spectrum ..........................................................................................................................10<br />
auxiliary oscillation ..........................................................................................................................26<br />
baseband ...........................................................................................................................................11<br />
beat ............................................................................................................................................ 37, 59<br />
carrier frequency technology............................................................................................................24<br />
carrier recovery ................................................................................................................................20<br />
carrier suppression............................................................................................................... 42, 52, 62<br />
channel filter .....................................................................................................................................19<br />
control characteristic ........................................................................................................................35<br />
phase delay .......................................................................................................................................53<br />
demodulation, coherent ....................................................................................................................26<br />
differential transformer ....................................................................................................................47<br />
double sideband AM ........................................................................................................................29<br />
efficiency ..........................................................................................................................................52<br />
envelope curve ........................................................................................................................... 23, 29<br />
envelop curve modulation ................................................................................................................25<br />
frequency conversion .......................................................................................................................29<br />
frequency conversion .......................................................................................................................52<br />
index .................................................................................................................................................21<br />
input filter .........................................................................................................................................18<br />
interfering sideband ..........................................................................................................................48<br />
inverted position ........................................................................................................................ 24, 54<br />
line structure .....................................................................................................................................51<br />
linear distortion ................................................................................................................................54<br />
Lissajous-figure ................................................................................................................................53<br />
loop filter ................................................................................................................................... 20, 35<br />
lowpass filter ....................................................................................................................................20<br />
message signal ..................................................................................................................................10<br />
mixing ...............................................................................................................................................52<br />
modulation ........................................................................................................................................10<br />
modulation index ....................................................................................................................... 23, 53<br />
modulation product ..........................................................................................................................23<br />
modulation trapezoid ................................................................................................................. 31, 53<br />
modulator..........................................................................................................................................11<br />
modulator constant ...........................................................................................................................23<br />
multiplex signal ................................................................................................................................19<br />
normal position .......................................................................................................................... 24, 54<br />
Nyquist slope ....................................................................................................................................41<br />
original frequency band....................................................................................................................11<br />
oscilloscope ......................................................................................................................................13<br />
overmodulation .................................................................................................................................52<br />
phase change.....................................................................................................................................29<br />
phase detector ...................................................................................................................................35<br />
phase error ........................................................................................................................................26<br />
phase shift .........................................................................................................................................57<br />
phase shifter......................................................................................................................................19<br />
65
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