Aimed at drawback of low sensitivity of frequency divided method used in traditional vehicle detector,we present a novel inductive vehicle detector design method based on the basic operating principle of loop coil vehicle detector.
基于环形线圈车辆检测器基本的工作原理,针对传统的采用倍频技术的检测产品灵敏度不高的缺点,提出全新的采用周期整定技术的感应式车辆检测器设计原理,在确保检测精度的情况下,提高了系统的稳定性。
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.
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。
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。
This paper analyzes the principle of loop transducer of vehicles in detail, presents the equivalent circuit, establishes the mathmatic model of loop, and introduces briefly the application of the loop transducer.
本文对环形线圈传感器的原理进行了深入分析，给出了环形线圈──车辆系统等效电路图，建立了环形线圈的数学模型，计算了环形线圈的磁场分布规律，对环形线圈的应用也做了简要论述。
Research and Design of Detecting Car System Based on Loop-Coil in Traffic
基于环形线圈车辆检测系统的研究与设计
Research on Preprocessing Methods of Loop Detector Data;
环形线圈检测器交通数据预处理方法研究
Study on Electromagnetic Circumstance of the Inductive Loop Detector in Highway Tunnel;
公路隧道中环形线圈车辆传感器的电磁环境研究
Fuzzy Identification Method of Traffic Condition Based on Loop Detector Information
基于环形线圈检测器信息的交通状态模糊识别方法
The Research of Ring Spinning Theory Based on Balloon Shape and Yarn Tension;
基于气圈形态与纱线张力的环锭纺理论研究
Following knockover loop pulling occurs and a new knit loop is formed.
脱圈之后线圈被拉伸,一个新的线圈形成。
ANALYSIS AND CALCULATION FOR RADIAL MAGNETIC FIELD OF TOROIDAL EXITING COIL INSIDE ROTATING ARC WELDING MACHINE
旋转电弧焊机环形激磁线圈径向磁场的分析计算
To form a wreath or wreathlike shape around.
成圈状四周形成环或环状的外形
A garland, wreath, or circlet for the head.
环形花环戴在头上的花环、叶冠或圈
A loop, as of metal, rope, or thread.
金属圈，绳圈，线圈
A toroid generated by a circle;a surface having the shape of a doughnut.
环面，环形圆纹曲面圆圈形成的超环面；具有炸面圈一样形状的表面
The Test Study of Strand Circulating Current in the Stator Barrel Type Coil of AC Machines
交流电机定子圈式线圈股线环流的试验研究
A representation of this ring or circlet, as in woodwork.
花圈象征物环形或圈形的象征物，如木制品
The knitting process includes the needles that permit the loops to be formed, held on the needle until a new loop is made, and then knocked off to gradually build the knit structure.
针织过程包括针的成圈,线圈被针握持直至形成新的线圈,然后脱圈,逐渐形成针织物。
Design of Lateral Voice Coil Motor with Rectangle Coil
具有方形线圈的平动音圈电动机的设计
If the loop formation seems to be toward the observer, then a face loop is formed. If the loop formation seems to be away from the observer, then a back loop is formed.
如果线圈似乎朝向观察者而形成,则称为正面线圈,背着观察者方向形成则称为反面线圈。
The influence of circular trim coil current variation on vertical beam behaviour is also determined experimentally.
同时也测量了束流引出区环形补偿线圈中的励磁电流变化对引出束流性能的影响。
An individual spiral or ring within such a series.
一圈在一系列中单个螺旋线或环