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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。对所设计的方案进行了Matlab仿真,采用Intersil公司的HSP50214芯片、Altera公司的CPLD器件、ISA总线完成了方案的实现。测试表明,该方法使用效果理想。
Combined with the design of radio telemetry receiver, the application of digital down-conversion and frequency modulation digital demodulation in software radio technology to telemetry receiver is discussed and analyzed. The design of the program was carried out Matlab simulation, the use of Intersil’s HSP50214 chip, Altera’s CPLD devices, ISA bus to complete the program to achieve. The test shows that this method works well.