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中文摘要：
针对CAPS软件模拟器能够精确模拟各种环境的CAPS信号,相对于硬件模拟器而言更加灵活,便于CAPS接收机性能测试和功能调试,以及对CAPS导航系统理论验证。以Matlab为平台实现了CAPS模拟器架构,主要包括导航电文读取、卫星星座仿真、虚拟钟计算、基带信号生成等。介绍了各模块的实现、数学模型,并用软件接收机验证了所生成的CAPS信号的正确性。
英文摘要：
Software-based CAPS Simulator can simulate variety of environmental＇s CAPS signals accurately with more feasibility than hard ware simulator,for the purpose of performance testing and functional debugging of CAPS receiver and theoretical validation of CAPS navigation system.This paper achieve architecture of software-based CAPS simulator based on Maltab,the simulator consists of the following main parts,reading of navigation message,satellite constellation simulation,calculation of the virtual clock,baseband signal generation.Meanwhile,the realization of each module and mathematical model of CAPS are presented in detail,Finally,analysis results show that CAPS signal is right.
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