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.
经实验证明，本方法易于实现，具有很好的可维护性，车速检测的精度较高，平均精度为91.31%。
The result shows that this method can be easily implemented and maintained, and has a high accuracy, with an average of 91.31%.
本设计包括障碍物探测电路、障碍物距离检测电路、温度检测电路、车速检测电路、显示电路、声音提示电路等。
This design mainly include: obstacle detection circuit, obstacle ranging circuit, temperature measurement circuit, speed measurement circuit, display circuit, voice alarm circuit and so on.
在该系统的控制下，可实现对汽车的排放、车速、制动、侧滑及灯光等性能进行自动化检测。
With the system, automatic performance testing for exhaust emission, speed, braking, side slip and lighting will be possible.
并论述了制动性能、车速、掘起力、牵引力试验台的检测原理和方法。
The principle and method for testing brake character, travelling speed, break out force and rim pull are described.
在运动检测的基础上，说明了车流量和车速的检测方法。
On the basis of moving detection, the detection method of flow and speed is introduced.
综合考虑系统中各种影响因素，研制了相应的信号检测和小车速度自动调节系统。
Integrated system to consider the various factors affecting development of the corresponding signal detection and vehicle speed automatic adjustment system.
分析和确定了电动助力车主要性能的检测项目，并对车速、续行里程、载荷、蓄电池的放电电压和放电电流等被测项目的检测原理及实现方法进行了探讨。
The testing principle and the performing method of testing items such as speed, range, load, discharge voltage and current for electro-hybrid bicycle are described based on deciding the items.
本文提出一种基于计算机视觉的车流量及车速的检测算法。
This thesis presents a method of vehicle flow and vehicle speed detection based on video and image processing.
重点对车速的检测方法及其所用霍尔传感器进行了讨论和设计，提出了一种关于转速计算的自适应检测方法。
Discussion and design of the method and Hall sensor of speed test are keystone, and an adaptive method of rotation calculation is presented.
路面上的静态秤台需要车辆以较低车速通过且检测精度不高、易造成漏检。
Static weighting platform has the requirement of low vehicle speed. It also has low accuracy and is liable to miss measurement.
对车流量、车速、时间占有率这三大重要交通量进行实时检测，准确率达90%以上。
The measurement accuracy of the vehicle flow, vehicle speed and time occupancy are exceed 90%.
对车速表试验台检测所获得的样本数据进行统计分析，建立相应的数学模型，模型计算与样本实测数据计算结果高度吻合。
Statistical analysis was carried out for the sample data measured by a speedometer test bed, and corresponding mathematical models were established.
近年来，随着列车速度的不断提升和列车运载重量的不断增加，铁路的运营安全越来越重要，相应地对无损检测（NDT）的要求也越来越高。
Recently, with the improvement of train speed and trainload, traffic safety on railway becomes more and more important. Accordingly, the demand of Non-Destructive Testing (NDT) is growing higher.
此系统通过检测刹车速度和力度判断驾驶员是非确实需要紧急停车。
Brake Assist measures the speed and force with which the brake pedal is pushed to determine whether the driver is attempting an emergency stop.
此系统通过检测刹车速度和力度判断驾驶员是非确实需要紧急停车。
Brake Assist measures the speed and force with which the brake pedal is pushed to determine whether the driver is attempting an emergency stop.
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