CAJ | 학술논문

危险品运输车流在动态移位中产生动态差分毗邻干扰，卫星定位信号对车流进行监控过程中受到车流位置数据动态差分更新影响较大，对车流的方位估计较为困难。传统方法采用MUSIC参数估计方法估计车流参数，导致车流快拍数动态变化时对车流方位和速度估计不准。为解决这一问题，提出一种基于均匀矩形阵列危险品运输车流建模方法，采用改进的MUSIC算法实现对车流的方位-速度联合估计，达到车流监控的目的。仿真实验表明，采用改进的方位估计算法监控危险物品运输车流，速度和方位参数估计精度提高明显，能为车流监控系统提供准确的数据参考。
위험품운수차류재동태이위중산생동태차분비린간우，위성정위신호대차류진행감공과정중수도차류위치수거동태차분경신영향교대，대차류적방위고계교위곤난。전통방법채용MUSIC삼수고계방법고계차류삼수，도치차류쾌박수동태변화시대차류방위화속도고계불준。위해결저일문제，제출일충기우균균구형진렬위험품운수차류건모방법，채용개진적MUSIC산법실현대차류적방위-속도연합고계，체도차류감공적목적。방진실험표명，채용개진적방위고계산법감공위험물품운수차류，속도화방위삼수고계정도제고명현，능위차류감공계통제공준학적수거삼고。
The transport of dangerous goods traffic generates dynamic differential adjacent interference in dynamic shift, traffic location data is received with dynamic differential updating and it influence on traffic flow monitoring process of sat-ellite positioning signal, a uniform rectangular flow modeling method is proposed based on array dangerous goods transpor-tation, the flow range-velocity estimation is obtained by using the improved MUSIC algorithm, to achieve the purpose of traffic monitoring. Simulation results show that, the improved range estimation algorithm has better estimation performance, the velocity and range estimation is improved obviously, it can provide accurate reference data for traffic monitoring system.