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《Remote Sensing Technology and Application》 2017-06
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Analysis of FPGA Implementation for AgileDARN Radar Digital System

Jiang Song;Lan Ailan;Yan Jingye;Sun Lin;CAS Key Laboratory of Microwave Remote Sensing,National Space Science Center,Chinese Academy of Sciences;University of Chinese Academy of Sciences;School of Information and Electronics,Beijing Institute of Technology;  
AgileDARN radar system is a kind of sensitive ground coherent high frequency radar system based on all digital phased array technology,which can realize the detection of Middle and high latitude ionosphere.In this paper,The digital signal processing of radar system is studied detailed.The mechanism of digital signal processing of radar system have been designed and analyzed.The FPGA is used to implement the signal transceiver,Amplitude-phase correction,Digital beam forming and digital filter for radar system,So the system can realizes flexible scanning of the direction map and improves the Echo orientation precision.The feasibility and effectiveness of the FPGA design is verified through the simulation experiments.
【Fund】: 国家863计划项目“地基相干高频雷达阵关键技术”(2014AA123502)
【CateGory Index】: TN957.51
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