在脉码调制技术中，按照确定的代码由字符信号对模拟信号量化采样的表示法。
In pulse code modulation, the representation of the quantized samples of an analogue signal by character signals according to a defined code.
关于语音调制的OFDM的多种平台的搭建，其中代码很详细，包括了OFDM仿真的学习文件pdf。
About to build voice modulation OFDM multiple platforms, where the code is very detailed, including OFDM simulation study documents PDF.
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