基于感应式环形线圈检测原理的智能车辆检测器检测公路上行驶的车辆信息。
Intelligent vehicle detector, based on the induction doughnut coil detecting principle, detects the information of vehicles traveling on the highways.
通过环形线圈检测器采集的数据，不仅具有时间序列的特性，而且与其所处的空间位置有很大的关系。
The data collected by the loop detector, have the characteristics of time series, and have much to do with the detector's location.
车辆通过环形线圈检测器时，车体物质与环形线圈相互作用改变了线圈的谐振频率，从而形成频率变化曲线。
When vehicles passing ring coil detector, the interaction of vehicle body's substance and ring coil changes resonant frequency of the ring coil and forms a curve of frequency variation.
对一般环形线圈检测器的原理进行了定量分析，提出了一种采用锁相技术的环形线圈车辆检测器的设计原理，并给出了相应的软件设计框图。
Based on the analysis of former Loop Vehicle Detector, the paper proposes a new design method of Loop Vehicle Detector, and gives the electronic circuit structure and software diagram.
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。
It presents the design principle and parameters 'computing method to detect cars by loop-coil in traffic.
环形线圈车辆检测器的计数精度和测速精度关系到交通流量统计结果的准确性，是计量检定的关键项目。
The precision of count and speed test of inductive loop vehicle detector relates the veracity of traffic flux statistical result, which is verifiable key item.
简述了基于环形线圈车速检测的基本原理、目前利用单线圈检测量进行车速估计的方法。
This paper introduces the theory of vehicle speed detection based on loop coil, analyzes the present speed estimation methods using the basic outputs of single loop detectors.
环形线圈车辆检测器具有性能稳定，性价比高，适应性强等优点，市场应用最为广泛。
The loop vehicle detector has the advantages of stability, high performance-price ratio, and good adaptation, which has been widely used in the market.
环形线圈车辆检测器具有性能稳定，性价比高，适应性强等优点，市场应用最为广泛。
The loop vehicle detector has the advantages of stability, high performance-price ratio, and good adaptation, which has been widely used in the market.
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