GPS软件接收机仿真研究
首发时间:2008-03-07
摘要:以GPS信号模拟器仿真输出的信号作为信号源,建立了一个十二通道GPS软件接收机仿真平台,实现了软件接收机中的快速捕获、跟踪、比特同步、星历解算、伪距获取和接收机位置等算法仿真,应用了一种高精度码跟踪算法,以提高码跟踪精度,并解决了大数据量跟踪的问题,为软件接收机研究成果向工程应用转化奠定基础。
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Simulation Research on Software GPS Receiver
Abstract:Taking the output signal of the GPS signal simulator as the signal source,the paper sets up a simulation platform in MATLAB for a 12-channel software GPS receiver,and realizes the algorithm simulation for quick acquisition, tracking, bit synchronization, navigation data decoding, pseudo-range calculation and receiver position calculation in the software receiver, and applies the tracking algorithm of high accuracy code to improve the tracking accuracy and solve the problems of huge-quantity data in tracking and lay a foundation for the inversion of engineering application in accordance with the research results of the software receiver.
Keywords: GPS Software receiver Tracking Acquisition Bit synchronization
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No.1914320524012048****
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