GLONASS卫星信号仿真器设计与实现

Design and Implementation of GLONASS Signal Simulator

基于DSP+FPGA的设计方案,实现了多通道GLONASS卫星信号的硬件仿真器。简单给出了硬件系统的基本架构,重点叙述了基于此上的软件结构和程序流程,并通过实验验证了该方案的可行性。实验结果表明,本方案设计的GLONASS仿真器信号逼真度高、可编程性强、使用灵活,并具有一定的动态性能,为GLONASS接收机的性能检测提供了有益的支持。

A hardware simulator of GLONASS signal based on DSP and FPGA is implemented.The basic framework of the hardware system is introduced in brief,then the software structure and the program flows based on the hardware are presented in detail.The feasibility of this scheme is verified finally.The results suggest that this simulator is of high fidelity,strong programmability,flexible operation and certain dynamic performance,which can provide strong support for the performance test of GLONASS receiver.