... RFC Radio C Frequency Choke 射频扼流圈 RFC Radio Frequency Converter 射频转换器 RFC Request For Comments 请求看备注（用以学习因特网协议和标准） ...
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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。
In this paper, taking L-band as the core, a design Compatible Multi-band Up-converter for radio frequency is introduced, and the real circuit is accomplished and tested.
以L波段为主，论述和设计了兼容多波段上变频器，并且完成了实际电路的制作与调试。
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