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简要介绍软件无线电的顶层结构 ,对第三代移动通信系统的数字中频技术进行了重点论述 ,并且介绍数字中频的实现与开发。
The top structure of software radio is briefly introduced. The digital IF technology of the third generation mobile communication system is mainly discussed, and the realization and development of digital IF are introduced.