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1·This paper introduced designing principles and realizing methods of tracking and telemetry receiver of CDAS of FY2 satellite.

介绍了FY - 2号CDAS中频跟踪遥测接收机的设计原理及实现方法。

2·Combining to devise radio telemetry receiver, the application of digital down converter and frequency demodulation in software radio is discussed and analysed.

结合无线电遥测接收机的设计，论述和分析了软件无线电技术中的数字下变频和调频数字解调技术在遥测接收机中的应用。