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The Atchitecture and Key Technique of All Digital Receivers

Li Tong;Shen Lansun(Univ. of Sci.& Tech. of China,Hefei 230027)(Beijing Polytechnic Univ., Beijing 100022)  
All digital receiver is a new concept proposed in recent years.The mixing oscillator and the A/D sample clock run at fixed frequencies generated by local high stable crystal oscillator.Other works suchas the elimination of carrier phase difference,clock synchronization error and the detection of signals areimplemented digitally by the digital signal processor,In this paper the architecture of all digital signal re-ceivers is introduced.The key technique of implementation is discussed in detail.
【CateGory Index】: TN85
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