基于GNSS-R的车辆探测定位实验研究Study on vehicle detection and location experiment based on GNSS-R
陶琼,孟李林,黄海生,李鑫,魏婷,杨锐,邢永强
摘要(Abstract)：
针对目前导航卫星应用领域中一个新的热点研究内容,利用GNSS卫星反射信号作为无源雷达进行目标探测和定位,基于GNSS-R技术进行车辆探测定位实验研究,并给出反射信号相对于直射信号的延迟时间求解方法。实验对接收到的直射信号进行处理,提取直射信号信息作为先验条件,进行反射信号的细捕获,缩小反射信号捕获的搜索范围,采用基于FFT的并行码相位捕获算法将码相位延迟时间精确到1/16码片。将实验数据与理论值进行对比分析,验证了该方法的正确性。
关键词(KeyWords)： GNSS;车辆探测;反射信号;直射信号;相位捕获算法;相位延迟
基金项目(Foundation): 国家自然科学基金资助项目(61661049)~~
作者(Author): 陶琼,孟李林,黄海生,李鑫,魏婷,杨锐,邢永强
DOI: 10.16652/j.issn.1004-373x.2018.05.024
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