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�������պ����ѧѧ�� 1998, Vol. 24 Issue (5) :499-501    DOI:
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һ�����ֻ�DS/BPSK��Ƶ���ջ�
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Design of a Digital DS/BPSK Receiver
Li Sanzhong, Zhang Qishan*
Beijing University of Aeronautics and Astronautics,Dept. of Electronic Engineering

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ժҪ ����һ���������ֻ�DS/BPSK(Direct Spread/Binary Phase Shife Keying)��Ƶ���ջ������.�ý��ջ�����ר�����������Ϊ���ĵ�Ӳ�����,��������ִ����㷨�����Ƶ�źŵĽ��.�����ϲ��ô�����ϵ�α�벶�񡢿�˹�ػ��ز����١��ӳ�������α����ٵȷ�ʽ,��ͨ������㷨���ʵ��.�ý��ջ������ۺ�����ǿ,������ӿ������ص�,����Ч��Ӧ���ڻ�����ֶ�ַ�Ķ�Ŀ����ϵͳ��.
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Abstract�� The design of a new digital DS/BPSK receiver is introduced and its key problems and fundmental principles involved are described in the paper.The dedicated large-scale intergrated circuit, combined with digital signal processing algorithm is adopted to implement demodulation of spread spectrum signal. It applies serial-parrallel combined PN code acquisiton, Costas phase-locked tracking loop and delay-lock tracking loop techniques. The receiver is characterized by excellent overall performance as well as flexible hardware and software interface.It can be efficiently used in multi-objects telemetry and control system based on code division multiple access.
Keywords�� receiver   pseudorandom codes   digital phase-locked loops     
Received 1997-04-14;
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������, ������.һ�����ֻ�DS/BPSK��Ƶ���ջ�[J]  �������պ����ѧѧ��, 1998,V24(5): 499-501
Li Sanzhong, Zhang Qishan.Design of a Digital DS/BPSK Receiver[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 1998,V24(5): 499-501
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y1998/V24/I5/499
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