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本文分析了移动通信射频发射机结构,在此基础上对零中频CDMA发射机结构和关键技术进行了理论分析与系统仿真。最后,给出了一种适合于CDMA移动通信试验系统的零中频射频发射机的实现方案,并给出了关键参数和有关模块的设计实现方法。
This text has analyzed the structure of the mobile communication radio frequency transmitter, on this basis carried on the theory analysis and the system simulation to zero intermediate frequency CDMA transmitter structure and key technology. Finally, a scheme of zero-IF RF transmitter suitable for CDMA mobile communication test system is given, and the key parameters and the design and implementation of the module are given.