基于GNSS-R的移动目标探测技术研究

朱鹏飞; 朱庆林; 董翔; 孙明晨

doi:10.12265/j.gnss.2023078

基于GNSS-R的移动目标探测技术研究

doi: 10.12265/j.gnss.2023078

中国电波传播研究所, 山东青岛 266107

详细信息

作者简介:
朱鹏飞：(1988-)，男，硕士，工程师，研究方向为信号处理

朱庆林：(1981-)，男，博士，研究员，研究方向为电波环境遥感及评估应用

董翔：(1987-)，男，硕士，高级工程师，研究方向为电波环境遥感及评估应用

孙明晨：(1993-)，女，博士，工程师，研究方向为星光掩星

通信作者:
朱鹏飞 E-email：zhupf@cnirp.ac.cn

中图分类号: P288.4
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出版历程
- 收稿日期: 2023-04-07

Research on moving target detection technology based on GNSS-R

China Research Institute of Radiowave Propagation, Qingdao 266107,China

摘要

摘要: 全球卫星导航反射信号(GNSS-R)移动目标探测技术是一种针对目标区域进行遥感探测的新型探测手段. 从技术机理上，GNSS-R移动目标探测技术为无源双基地雷达，具有与有源雷达截然不同的信号传播模型. 通过分析GNSS信号传播的几何构型，对监测区域特征进行分析，判断探测区域是否出现移动目标. 经过实验验证，当移动物体经过监测区域，系统能够准确地探测到移动目标并计算出目标高度及位置信息.
- 全球卫星导航系统(GNSS) /
- 全球卫星导航系统反射信号(GNSS-R) /
- 移动目标探测 /
- 遥感
Abstract: The mobile target detection technology based on GNSS-R is a new remote sensing detection method that uses the reflection signal of global satellite navigation signals to remotely detect the target area. From technical perspective, the GNSS-R mobile target detection technology is a passive bistatic radar. By analyzing the geometric configuration of GNSS signal propagation, the characteristics of the monitoring areal feature are analyzed to determine whether there is a moving target in the detection area. after experimental verification proveds that, when a moving object passes through the monitoring area, the system can accurately detect the moving target and calculate the target height and position information..
- Global Satellite Navigation System (GNSS) /
- Global Satellite Navigation System Reflection Signal (GNSS-R) /
- Moving target detection /
- remote sensing

HTML全文

图 1 信号传播模型

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图 2 目标进入探测区域后信号传播模型

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图 3 信号处理流程

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图 4 实验场地实景图(正视)

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图 5 实验场地示意图(俯视)

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图 6 实验场景

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图 7 数据采集界面

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图 8 BDS卫星星空图

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图 9 数据处理结果

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表 1 导航卫星仰角与方位角

卫星号天线高/m 仰角/(°)和余切方位解/(°)和余切

3 14.3 47.66/0.91 196.7/3.3

下载: 导出CSV

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