Depending on the performance characteristics of the DC restoration circuitry within the video processing channel, some or all of the sync pulse may not be removed from the green channel. 根据视频处理通道中的直流电平恢复电路的性能,部分或全部的同步脉冲不会从绿色通道中移除。
Specifications of equipment for video and pulse system of TV centre GB/T14236-1993电视中心视频系统和脉冲系统设备技术要求
The Doppler signal is extracted from video pulse trains firstly by mean minimax method, then the envelope of doppler signal is obtained, whereas the estimation of frequency varying with time is attained by time frequency analysis with doppler signal. 首先采用均值&极小极大法从视频脉冲串中提取出多普勒信号,接着获取多普勒信号的包络并对多普勒信号做时频分析得到随时间变化的估计频率。
The related key techniques such as double-path CCD synchronous driving, video processing for CCD output signal and high-frequency pulse calculation are employed in the developed system and the system performances have been improved. 在所研制系统中采用双路-CCD同步驱动、CCD输出信号视频处理、高频脉冲计数等相关关键技术,提高了该系统的性能。
In this paper, a new type of IF target simulator that is suitable for microwave radar system test is discussed. It simulates the target's velocity by changing the carrier frequency of the signal generator and distance by programming the delay of radar video pulse. 本文讨论一种适用于某微波雷达系统测试的中频目标模拟方法,改变信号源的载频来模拟目标的多普勒频移,通过对雷达视频脉冲的可编程延时来模拟目标的距离变化。
Characteristics of the laser using transversal discharge are given and the technique of beam diagnostics based on the use of CCD camera and video signal digitization is described. Output pulse shape, jitter and amplitude fluctuation have been measured by means of PIN diode. 给出了使用横向发射激光器的特性,叙述了以CCD摄像机为基础的光束诊断技术及视频信号数字化,绘出了使用位置指示二极管测量的输出脉冲波形、跳动及振幅起伏。
Simulation of LFM Video Signals for Pulse Compression Radar 线性调频的脉冲压缩雷达视频信号仿真
In time-division multiplex analog video signal system, the chrominance signal may be compressed along the time axis with the modulated clock pulse by the luminance signal so that the frequencies of time-compressed signal become homogeneous. 在时分多路复用(TDM)的信号系统中,用调制的取样脉冲沿时间轴压缩色度信号的同时,可使色度信号的频率匀化,从而克服信号的时间压缩与频带扩展的矛盾。
The simulator can simulate the distance and speed of the flight target. It simulates the target's speed by changing the carrier frequency of the signal generator and distance by programming the delay of radar video pulse. 该模拟器可对飞行目标的距离和速度进行模拟,以改变信号源的载频来模拟目标的多普勒频移,通过对雷达视频脉冲的可编程延时来模拟目标的距离变化。
It mainly involves these technologies: the detraction of synchronizing signal from video signal, the integration of video signal, the pulse width measurement, computer interface and software programming etc. 它主要涉及到视频信号同步分离技术、视频信号合成技术、脉冲宽度测量技术、计算机接口技术以及计算机程序设计技术等。
In the paper, a coherent video signal simulation is applied to model and simulate a pulse Doppler radar seeker. 本文采用相干视频信号仿真方法对脉冲多普勒雷达导引头进行了建模和仿真研究。
The distributed CFAR detection is studied under the condition of noncoherent integration of multiple pulse. The analytic expression of detection performance of the distributed OS-CFAR detection is derived for video integration of multiple pulse in nonhomogenous background. @研究了分布式CFAN检测在多脉冲非相干积累条件下的性能,推导出了分布式OS-CFn检测在多脉冲视频积累条件下在非均匀杂波背景中检测性能的解析表达式。
Analysis and Application of Kalman Filtering Method in Radar Video Pulse Signal Sorting Kalman滤波方法在雷达视频脉冲信号分选中的分析与应用
Implementation of Video Pulse Simulation of PD Radar Echo with Multiple PRF 具有多重PRF的雷达回波脉冲视频仿真电路的实现
Impulse radar, also known as non-career radar and video pulse radar, is a branch or a special case of the Ultra Wide Band ( UWB) radar. 冲击脉冲雷达,又称作无载波雷达和视频脉冲雷达,是超宽带雷达的一个分支和特例。