视频信号

The principle of the image inspection method is: under illuming system, use the electrical coupling property of plane matrix CCD, make the surface status of PWB via optical lens an image on the surface of matrix CCD chip, video signal is outputted from CCD, transmit it to PC through image acquiring card.

图像检测印刷线路板的方法的基本原理是：在照明系统的照明下，经过光学镜头，利用面阵CCD的电荷耦合特性，将印刷线路板的表面状态在面阵CCD芯片上成像，CCD输出视频信号，经过图像采集板卡输给PC。

Meanwhile, it can detect the stable PRI, the jittered PRI and the staggered PRI. Experimental results show that the sorting platforms based on the algorithm have good sorting capability.

视频信号源的大量测试表明，该分选平台对普通雷达、PRI抖动和参差雷达、频率捷变雷达及一些特殊雷达均具有较好的分选能力。

A sensing circuit senses a black current level of the electron beam corresponding to the black level of the video signal and feeds back information about the black current level to the black level controlling circuitry for stabilizing the black current level.

检测电路对与视频信号的黑色电平相对应的电子束的黑色电流电平进行检测，并将与黑色电流电平有关的信息反馈给黑色电平控制电路，以便稳定黑色电流电平。

Take the video signal as the carrier, the sender choice embedding the hiding information in the DCT coefficient, according to neighboring many DCT block DC coefficient size relations,, embedding control code, Control information correct extraction.

以视频信号为载体，发送方选择在DCT系数中随时嵌入隐藏信息，根据相邻多个DCT块的DC系数的大小关系，嵌入控制码，控制信息正确提取。

The high-resolution, four-inch/102 mm color LCD display provides a clear, unprocessed picture of the incoming video signal.

高分辨率， four-inch/102毫米的彩色液晶显示器提供了一个明确的，未经加工的图片传入的视频信号。

In an illustrative embodiment, color histograms are extracted from frames of the video signal.

在一个说明性的实施例中，颜色直方图从视频信号帧中被提取。

Since the multi-media can be used to process teaching information such as words,images,data,animation,as well as audio and video signal comprehensively,it has been more an more widely employed in classroom teaching .this paper aims to discuss the application of multimedia in the area of English classroom teaching,the vantages and functions of useing multimedia in English teaching.

因为多媒体可以被用于处理广泛的教学信息，如文本、图像、数据、动画，以及音频和视频信号，所以它在课堂教学中得到了越来越广泛的应用。本文将讨论多媒体在英语课堂教学领域中的应用，以及英语教学中使用多媒体的优点和作用。

In this paper,the software design and the implementation scheme of the video stream capture and real-time displaying system of CMOS digital image sensor based on USB2.0 interface and DirectShow technology was put forward,and the architecture of DirectShow software was also given.

0引言对于CMOS图像传感器输出的视频信号而言，它具有数据容量大、数据结构复杂等特点。

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。

Care must be taken to make all conditionals use the same number of cycles, to avoid video jitter.

为了避免干扰视频信号，我们需要特别小心统一使用相同的周期。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。