摘要
简略介绍了 QPSK,π/ 4 - QPSK调制方法及基于此的π/ 4 - DQPSK调制方法 ,就 π/ 4 - QPSK的调制电路原理与实现作了概述 ,并针对 π/ 4 - QPSK调制方法的优点及其性能与
The paper introduces QPSK, π/4 QPSK modulation modes and π/4 DQPSK modulation mode based on them.It summerizes the principle and realization of π/4 QPSK modulation circuit, and also makes a comparison between π/4 QPSK and GMSK modulation mode.
出处
《电子工程师》
2002年第7期55-57,共3页
Electronic Engineer
