Identification of digital modulation schemes plays an important role in signal analysis.
数字调制方式的识别对于通信信号分析有着重要的作用。
The requirements for modulation techniques to digital mobile communication system are presented and the improved lineally digital modulation schemes are also briefly described.
本文讨论了数字移动通信系统对调制技术的要求，着重分析了数字线性调制及其改进方案。
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