摘要
详细介绍了利用环形线圈进行车辆检测的设计原理及所需交通参数的计算方法。系统采用电磁感应原理,通过对振荡器的频率计数测量到车辆通过的基本信息。实践证明,本系统具有简单可靠,灵敏度高,成本低的优势。
It presents the design principle and parameters’computing method to detect cars by loop-coil in traffic.The system adopts the principle electromagnetism induction and gains the cars’basal information by taking count of frequency of monofier. The practice proves this system is simple and reliable,it possesses merits of high sensitivity and low cost.
出处
《仪器仪表学报》
EI
CAS
CSCD
北大核心
2004年第z1期329-331,共3页
Chinese Journal of Scientific Instrument
关键词
环形线圈
耦合振荡
车辆检测
Loop-coil Coupled resonance Detecting cars
