single-tone Frequency-Modulated wave 单音调制FM波
tone-modulated wave [通信] 音频调制波
modulated wave amplifier 波调制放大器
frequency of modulated wave 调制波频率
modulated continuous wave 调制连续波 ; [电子] 已调连续波
modulated light wave 调制光波
modulated carrier wave 已调制的载波
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The growing ion acoustic wave instability caused by the slow electron drift is studied by both CW and pulse modulated wave methods.
用连续波和调制脉冲波两种方法研究了由慢电子漂移引起的增长离子声波不稳定性。
A power converter circuit (3) drives a switching device by the pulse-width modulated wave for converting a direct current into the three phase alternating current.
电力变换器主电路部(3),其根据该脉冲宽度调制波对 开关元件进行驱动,将直流电压转换为三相交流电压;
Spectrum of the amplitude-modulated wave is observed by a radio frequency spectrum analyzer and amplitude values of every spectrum are recorded at the upper sideband or lower sideband.
用射频频谱分析仪观测一个已调波的频谱成分,记录上边带或下边带中各条谱线的幅度值,从而可以根据有关算式计算出调制信号(音频信号)的失真度。
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