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�������պ����ѧѧ�� 2004, Vol. 30 Issue (09) :872-875    DOI:
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�γ���, ������, ���޶�, ��Ծ��*
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Design and realization of GPS/GLONASS positioning emulator
Song Changfeng, Teng Jitao, Wang Yandong, Fan Yuezu*
School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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ժҪ GPS(Global Positioning System)��GLONASS(Global Navigation Satellite System)��Ϊ����ʵʱ���Ƕ�λ����ϵͳ,�õ��㷺Ӧ��.Ϊ�������������о���Ҫ��,��ƿ�����GPS/GLONASS���Ƕ�λ������.�÷���������GPS��GLONASS�������˶��켣,��ģ�����ǽ������Ľ���,�Դ�����ķ�ʽʵ�����Ƕ�λ.�����������˷�������λ������ʵ�ʽ��ջ��൱,����ģ����ʵ�����Ƕ�λ,Ϊ������Ե��о�������������.
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Abstract�� GPS(global positioning system) and GLONASS(global navigation satellite system) which are two kinds of real time satellite positioning systems are applied widely. In order to fit the needs of offline experiment, a GPS/GLONASS positioning emulator that based on the theory of satellite navigation was designed. This emulator analysed the movements of satellite constellation, simulated the calculation of satellite receivers, and realized satellite positioning in pure software mode. The simulative calculation results show that its accuracy is identical to that of real receiver on the whole. So the emulator can simulate real satellite positioning, and makes the simulation works convenience.
Keywords�� satellite navigation   simulation   software   GPS   GLONASS     
Received 2003-05-24;


About author: �γ��� (1977-),��,�Ϻ���,��ʿ��,bjscf@21cn.com.
�γ���, ������, ���޶�, ��Ծ��.GPS/GLONASS��λ�������������ʵ��[J]  �������պ����ѧѧ��, 2004,V30(09): 872-875
Song Changfeng, Teng Jitao, Wang Yandong, Fan Yuezu.Design and realization of GPS/GLONASS positioning emulator[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2004,V30(09): 872-875
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