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IF Digitization Processing of Airborne Mode S Transponders
Author(s): 
Pages: 70-73
Year: Issue:  6
Journal: Telecommunication Engineering

Keyword:  二次雷达S模式应答机数字信号处理中频数字化软件无线电;
Abstract: 介绍了S模式机载应答机的中频数字化处理的设计方法.采用FPGA和高速A/D转换器实现了80 MHz的高速数字信号处理系统,解决了传统二次监视雷达(SSR)目标分辨力差、窜扰等问题,完成了二进制振幅键控(ASK)和二进制差分相移键控(DPSK)组合成的询问信号的中频数字化处理全过程.
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