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�������պ����ѧѧ�� 2009, Vol. 35 Issue (9) :1048-1051    DOI:
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Software defined GNSS reflections receiver design
Yang Dongkai, Ding Wenrui, Zhang Qishan*
School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� The characteristics of navigation satellite reflected signal was analyzed. Both the architecture and the components for GNSS (global navigation satellite system) reflections receiver were presented including the two antennas, two RF (radio frequency) front ends, two high speed A/D converter and the computer for data processing. The basic reflections processing workflow was elaborated on, where C/A code generation for the reflected signal was mainly discussed following the correlation power computation with one simulation example. The software was designed and its detailed flowchart, key parameters and functions definition, user interface were also proposed. Field test data were feed into the designed software receiver, and the displayed result show that the receiver runs stably. And it can give correlation power with user defined different parameters.
Keywords�� global positioning system (GPS)   signal processing   receiver   reflection   correlation power     
Received 2009-02-27;
Fund:

����863�ƻ�������Ŀ(2007AA12Z340)

About author: ���(1972-),��,ɽ��������,������,edkyang@buaa.edu.cn.
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���, ������, ������.��������GNSS�����źŽ��ջ����[J]  �������պ����ѧѧ��, 2009,V35(9): 1048-1051
Yang Dongkai, Ding Wenrui, Zhang Qishan.Software defined GNSS reflections receiver design[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2009,V35(9): 1048-1051
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2009/V35/I9/1048
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