carrier control modulation

常見例句

Amplitude modulation is to control the amplitude of signal carrier and make it change linearly with modulation signals and maintain its frequency.
幅度調(diào)制是用調(diào)制信號(hào)去控制載波的振幅，使其隨調(diào)制信號(hào)線性變化，而保持載波的頻率不變。
The remote control device crystal frequency stabilization using pulse amplitude modulation transmitter, A simpler circuit, high frequency stability, launched 28MHZ are continuous carrier amplitude.
該遙控裝置採(cǎi)用晶躰穩(wěn)頻脈沖調(diào)幅發(fā)射機(jī)，電路較簡(jiǎn)單，頻率穩(wěn)定度高，發(fā)射的是間斷的28MHZ等幅載波。