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智能交通系统中WSN定位算法研究及仿真模型

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摘要 本文研究了适用于智能交通系统中的无线传感网络定位算法。该算法引入多径误差效应和高斯白噪声效应,建立基于噪声的RSSI车辆定位算法。本文分析了不同高斯白噪声值和不同信标节点密度对车辆定位误差的影响,引入卡尔曼滤波来减小噪声对信号和定位误差的影响,对比了滤波前和滤波后的系统定位误差值,最后开发了带有混合噪声和滤波算法的智能交通系统定位仿真模型,对车辆定位情况进行了模拟。该仿真结果对后续智能交通系统的设计和系统实施提供了设计依据,具有一定的参考价值。
作者 高连周
出处 《公路交通科技(应用技术版)》 CAS CSCD 2014年第7期303-306,331,共5页
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参考文献13

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