... CDM Code division multiplex 码分复用 CDM Continuous Delta Modulation 连续增量调制 CDMA Code Division Multiple Access 码分多址 ...
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连续可变斜率增量调制 CVSD
连续可变斜率增量调制的语音编码可以在高误码率的情况下正常工作。
CVSD (Continuous Variable Slope Delta Modulation) voice coding enables.
通过分析连续可变斜率增量调制(CVSD)的语音编译码工作原理，对CVSD的软件算法进行了详细地剖析。
Through analyzing the speech code-decode principle of the Continuously Variable Slope Delta modulation (CVSD), the CVSD algorithm is discussed in detail.
设计出了二次调制系统：采用连续可变斜率增量调制（ CV SD）实现模拟话音信号与数字编码的转换，采用二进制相对相移键控（2 DPSK）作为数字调制方式。
A twice modulation is designed:, CVSD was adopted to realize conversion between analog and digital voice signals, 2DPSK was used as the digital modulation mode.
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