Carrierless Amplitude and Phase Modulation has emerged as the DE facto standard, having captured most of the nascent market to date.
无载波振幅和相位调制正在成为事实上的标准，迄今已占了这个新生市场的大部分。
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Discriminator: a device that converts a property of an input signal such as frequency or phase into an amplitude variation depending on how the signal differs from a standard or reference signal.