摘要
为提高感应线圈车辆检测器的感应曲线特征提取和交通信息检测的准确率,文章以感应线圈车辆检测器的感应曲线信号为基础,研究了感应线圈信号曲线的预处理方法,并通过基于中值滤波和聚类分析的基频漂移抑制实验验证,表明该预处理方法能很好地抑制噪声,达到了较为理想的效果,具有极大的应用前景和推广价值。
To improve the accuracy of induction curve feature extraction and traffic information detection for the induction coil vehicle detector, based on induction curve signal of induction coil vehicle detector, this article studied the preprocessing methods of induction coil signal curve,and through the base fre- quency drift suppression experiments based on median filtering and cluster analysis, it showed that this preprocessing method can suppress the noise, reaching more satisfactory results, thus it has great ap- plication prospects and promotional value.
出处
《西部交通科技》
2015年第7期63-67,共5页
Western China Communications Science & Technology
基金
2013年度广西高校科学技术研究项目"城市轨道交通车载测速定位装置的研制"(编号:2013YB358)
关键词
车辆检测器
中值滤波
聚类分析
数据预处理
Vehicle detactor
Median filtering
Cluster analysis
Data preprocessing
