利用GNSS-R信号进行交通车流检测

doi:10.11947/j.AGCS.2018.20160496

测绘学报 ›› 2018, Vol. 47 ›› Issue (3): 370-375.doi: 10.11947/j.AGCS.2018.20160496

利用GNSS-R信号进行交通车流检测

杨磊^1,2, 杨东凯², 朱云龙², 高超群²

1. 中国人民解放军 95927部队, 河北沧州 061736;
2. 北京航空航天大学电子信息工程学院, 北京 100191

收稿日期:2016-10-11 修回日期:2017-12-18 出版日期:2018-03-20 发布日期:2018-03-29
通讯作者: 朱云龙 E-mail:inca_zyl@126.com
作者简介:杨磊(1981-),男,硕士生,研究方向为卫星导航信号处理及应用。E-mail:donald3102@buaa.edu.cn
基金资助:
金华航大北斗应用技术有限公司北航北斗技术成果转化及产业化资金（BARI1706）

Traffic Flow Detection Using GNSS-R Signals

YANG Lei^1,2, YANG Dongkai², ZHU Yunlong², GAO Chaoqun²

1. No. 95927 Troops of PLA, Cangzhou 061736, China;
2. School of Electronic and Information Engineering, Beihang University, Beijing 100191, China

Received:2016-10-11 Revised:2017-12-18 Online:2018-03-20 Published:2018-03-29
Supported by:
The Fund of the Beihang Jinhua BeiDou Application Research Institute Under Grant (No. BARI1706)

摘要/Abstract

摘要： 为了有效检测交通状况，提出了一种使用GNSS-R （导航卫星反射）信号进行车流检测的方法。该方法利用两种天线分别接收导航卫星直射信号和反射信号，使用通用接收机进行信号采集后，在软件接收机中进行信号处理解算，获得直射通道和反射通道的相关功率，以及卫星的高度角。然后使用反演介电常数的方法对车辆进行探测，获得交通车流状况。通过试验验证，该方法能够有效地对探测区域内的车辆进行检测，证明了使用GNSS-R进行交通车流检测的可行性。

关键词: GNSS-R, 反射信号, 介电常数, 交通车流

Abstract: In order to detect traffic conditions effectively, a new method of traffic flow detection using GNSS-R (Global Navigation Satellite System-Reflected) signals is proposed. In this method, the direct signals and reflected signals of GNSS are received by two types of antennas respectively and collected by an universal receiver.After signal processing in a SDR(Software Defined Receiver), the correlated power of direct channel and reflected channel, and also the satellites' elevation angles can be obtained. Then vehicles can be detected by the method of dielectric constant retrieving.Test results show that vehicles in the area can be detected effectively using this method, and prove the feasibility of traffic flow detection using GNSS-R signals.

Key words: GNSS-R, reflected signal, dielectric constant, traffic flow

中图分类号:

TN967.1

杨磊, 杨东凯, 朱云龙, 高超群. 利用GNSS-R信号进行交通车流检测[J]. 测绘学报, 2018, 47(3): 370-375.

YANG Lei, YANG Dongkai, ZHU Yunlong, GAO Chaoqun. Traffic Flow Detection Using GNSS-R Signals[J]. Acta Geodaetica et Cartographica Sinica, 2018, 47(3): 370-375.

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利用GNSS-R信号进行交通车流检测

Traffic Flow Detection Using GNSS-R Signals

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