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A Digital Matched Filter Realized Based on FPGA
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Update time: 2009/03/02
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HE Zai-min 1,2, HU Yong-hui1 , WEI Jing-fa1,2 , CAI Cheng-lin1,2 , WU Jian-feng1,2  
(1. National Time Service Center, Chinese Academy of Sciences, Xi’an, Shaanxi 710600, China;
2. Graduate University of the Chinese Academy of Sciences, Beijing 100039, China)
 
AbstractThe principle and structure of a digital matched filter is introduced briefly with emphasis on the realization of the transposed structure of digital matched filter based on FPGA(field programmable gate array). The simulation of the designed circuit indicates that this digital matched filter has advantages such as high capture precision and high speed, and it can be used in other digital spread spectrum receivers.
 
Key wordsdigital matched filter;field programmable gate array(FPGA);spread spectrum receiver;transposed structure

2009 National Time Service Center (NTSC), Chinese Academy of Sciences , All Rights Reserved