The laser CT measurement system of diesel spray was developed in which the ruby laser was used as light source and a CCD ( Charge Coupled Device ) video camera was used as a detector to detect the extinction signals of the spray .

研制、开发了一套柴油机喷雾的激光CT测试系统，其中采用红宝石激光器作光源、CCD（chargeCoupledDevice） 摄像机作 探测器，将柴油机喷雾图像实时采集到计算机图像处理系统上。

In dual-sensor mode the video assistant can be operated in parallel with its video motion detector to monitor perimeters open sites and buildings .

在双传感器模式下，视频协助连同其 视频动态 探测器一同监控周边环境，开放场地和高楼大厦。

Although a variety of fixed-type traffic information collection technology have matured particularly the video image processing technology the distribution of traffic detector to some extent affect the reliability of freeway traffic performance which is reflected by the traffic parameters collected from detectors .

虽然目前常用的固定型检测技术已经日趋成熟，尤其是 视频检测器，但是 检测器的布设密度在一定程度上影响着所采集的交通参数体现高速公路交通运行状态的可靠性。

In this system recognition was achieved by threshold of the difference of gray scales according to RGB gray scale variation of a video detector .

根据 视频 检测线上的RGB灰度变化，用灰度差阈值完成识别。

The first video vehicle detection system introduced by Chapter 2 uses the line-type vehicle detector background subtraction algorithm . And the detection area which is set by operators to detect vehicles .

第二章提出的车辆检测系统采用线式车辆 视频 检测器和背景消减算法进行运动车辆的检测，通过用户设置虚拟线圈划定检测区域。

Aiming at the crowded phenomena of city traffic in recent years especially the problems of driver 's severely breaking rules and high frequency traffic accident the video traffic detector which takes an important part of the current traffic controlling and managing system is introduced .

针对近年来城市交通的拥挤现象，特别是驾驶员违章严重、交通事故频发等问题，介绍了在现代交通控制和管理系统中占有十分重要地位的 传感器& 视频车辆 检测器。

As the envelope of amplitude information of the echo signals can be obtained by the amplitude of down-conversion I / Q signals through some algorithms so on the amplitude detection two traditional methods of the video detection are used-Moving window detector 、 Two-Pole filter .

由于可以从下变频后的I／Q两路信号的幅值信息经过计算得到回波的幅值包络信息，所以在回波幅度检测方面采用的是传统的 视频检测的方法&滑窗 检测和双极点滤波器。

A method to design a random clock error test bench in verilog was introduced which combines the simulating verification of the video mode detector .

结合 视频模式 识别模块的仿真验证，介绍了一种基于Verilog的随机时钟误差测试平台的设计方法。

Detector Logarithmic Video Amplifiers ( DLVAs ) are the key components in measuring high speed microwave pulses .

检波对数视频放大器（ Detector Logarithmic Video Amplifiers）是测量高速微波脉冲的重要部件。

Video detector with obvious advantages is replacing gradually the typical detection technologies such as loop detector infrared and radar sensors .

视频 检测 技术由于其明显的优势，正逐步取代磁感线圈、红外、雷达等常用的检测手段，是未来发展的趋势。

An Approach for Football Video Event Retrieval Based on Audio / Video FSK tone detector

基于 音/ 视频特征的足球视频体育事件交互式检索方法

The Theoretical Study on PLL Full Synchronization Video Detector Circuit in Large Screen Colour Television

大屏幕彩电锁相环完全同步 视频 检波电路的理论研究

Design and Realization of a Video Traffic Detector

一种 视频交通 检测器的设计与实现

Capturing and tracking characteristics of PLL video detector in color TV receiver

彩电PLL 视频 检波器的捕获与跟踪特性

According the shortcomings of the line-type vehicle detector the video vehicle detection and tracking system introduced by chapter 3 uses area-type video detector which uses the whole area as detection area instead of the area set by operators .

针对线式车辆检测器的不足，第三章提出的车辆 视频检测与跟踪系统采用面式车辆 检测器，无须用户设置检测区域，在图像的全部范围内进行车辆的检测与跟踪。

The Researches on Capturing and Tracking Characteristics of Color TV PLL Video Detector

彩色电视机PLL 视频 检波器捕获与跟踪特性的研究

Comparison of the Loop Vehicle Detector and the Video Vehicle Detector in Freeway Monitor system

线圈与 视频车辆 检测器在道路监控中的应用比较

Start-up Canary kills two birds with one machine by packaging an HD video camera microphone motion detector and a temperature and humidity sensor into a sleek cylinder .

初创公司Canary推出的这款产品同时满足了这两个要求，可谓一箭双雕。其光滑的圆柱体中配有高清 摄影机、麦克风、运动 检测器，以及温度与湿度感应器。

The operating principle and feature of PLL full synchronization video detector circuit is described and it is analysed by reality circuits .

阐述了PLL完全 视频 检波电路的工作原理及其特点，并结合实际电路进行了分析。

These techniques consequential several vehiclesDetector : Loop Detector wave frequency detector video detector .

这几种技术下相应产生的几种车辆检测器：环形线圈检测器、波频检测器、 视频 检测器等。

The PLL full synchronization video detector circuit is educed by feature and troubles of quasi - synchronization video detector .

由准同步视频检波的特点及其存在的问题引出锁相环（PLL）完全同步 视频 检波电路。

This paper detailed studies the theory and method of stimulating the video frequency signal of MMW active detector on bomb .

本文以弹载毫米波主被动复合 探测器的主动 通道为对象，研究了其 视频信号的模拟的理论和方法。