The data collected by the loop detector, have the characteristics of time series, and have much to do with the detector's location.
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 advantages and disadvantages of both floating vehicle and loop techniques are different. In order to get higher quality data, it needs to fuse GPS floating vehicle data with loop detector data.
浮动车技术和线圈检测技术在获取交通数据方面各有所长，为了得到更高质量的数据，需要对GPS浮动车数据与线圈检测数据进行融合。
The timing error detector and loop filter of HDPLL are all digitized, whereas the VCXO employs analog components.
HDPLL中定时误差检测器、环路滤波器是全数字的，而VCXO使用了模拟器件。
The open loop characteristic of the double detector is calculated in theory and the double magnetic detector comparator is constructed for testing and performance evaluation.
文中对这种双重磁检测器的开环特性进行了理论计算和试验测试。
This paper discusses an all digital phase-locked loop with a zero-crossing detector and a loop filter.
本文讨论的全数字锁相环包括过零检测器和环路滤波器。
According to the dynamical equation and the theory of closed loop feedback, the angle scheme of signal detector and discrete exciter in circumferential direction is deduced.
根据半球谐振陀螺的动力学方程和闭环反馈理论，推导出离散激励器和信号检测器在壳体环向的角度配置；
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 loop is a second order phase lock loop, consisting of an interpolator, a timing error detector and a loop filter.
环路为反馈结构，包括插值器、时钟误差检测和环路滤波器三个部分。
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。
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.
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。
Point to point control is adopted because a stepping motor is used as a driver. A grating displacement detector is applied in the feedback loop, forming a close loop control system.
该系统以步进电机作为驱动器件，以光栅位移检测装置作为位移检测反馈器件，采用点位控制原理，形成一个闭环似移控制系统。
Point to point control is adopted because a stepping motor is used as a driver. A grating displacement detector is applied in the feedback loop, forming a close loop control system.
该系统以步进电机作为驱动器件，以光栅位移检测装置作为位移检测反馈器件，采用点位控制原理，形成一个闭环似移控制系统。
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