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中文摘要：
地磁传感器是一种利用地磁变化来检测车辆的新型设备。通过分析大量地磁数据,提出一种基于波形峰谷值特征的车辆检测算法。该算法可以自动跟踪基线值并提取车辆信号特征。实际道路检测试验数据表明该算法简单有效,准确率可达98.5%以上。该系统可以应用于道路车流量检测,平均车速统计等,将在智能交通领域发挥重要作用。
英文摘要：
Magnetoresistive sensor is a new type of vehicle detection device with measuring the changes of magnetic field. A vehicle detection algorithm based on the peak and valley feature of the magnetic field wave is presented,which can trace the baseline automatically and extract the characteristic of vehicle signature. The experimental results show that the vehicle detection algorithm is simple and applicable with the accuracy as high as 98. 5%. It can be employed for the detection of road traffic flow and counting of average speed of vehicle,and will play an important role in the intelligent transportation system.
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