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本文主要讨论数字蜂窝移动通信中的调制解调问题。在指出其特点后,阐明线性调制及恒包络连续相位调制两类方案,着重介绍恒包络连续相位调制中的GMSK 调制。
This article focuses on the modulation and demodulation issues in digital cellular mobile communications. After pointing out its characteristics, the two kinds of schemes of linear modulation and constant envelope continuous phase modulation are elucidated. The GMSK modulation in constant envelope continuous phase modulation is mainly introduced.