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.
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.
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.
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.
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