陈澍,张锐,任永超,王永强,牛犇,陈洪赛

• 1:国家测绘地理信息计量站
• 2:国家光电测距仪检测中心
• 3:中测国检(北京)测绘仪器检测中心

摘要(Abstract)：

北斗系统的导航信号体制发生了改变,调制方式从BPSK调整为BOC。BOC调制信号的频谱中上边带和下边带的冗余,自相关函数中的多峰等特征在接收机的信号截获、码跟踪以及数据解调等处理中带来好处。为了考察新体制信号对接收机服务性能的影响,该文对新体制信号接收机的首次定位时间的测试方法、评定方式进行了探讨,在模拟信号、新体制信号、实际信号几个方面对首次定位时间进行了比较,从接收机测试的层面对新体制信号做了初步分析。该文采用笔者所在单位自主建设完成的模拟信号自动化测试平台,完成了GNSS接收机常规检测校准工作中较难完成的首次定位时间测试项目。

关键词(KeyWords)： 北斗新体制信号接收机;BOC调制;首次定位时间测试;GNSS接收机检测

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 陈澍,张锐,任永超,王永强,牛犇,陈洪赛

DOI: 10.16251/j.cnki.1009-2307.2019.06.012

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