视频通信系统一直是通信应用研究的热点方向之一。
The video communication technology is one of most important Applied Research Communications ways.
本文针对基于H . 264的无线视频通信系统中的关键技术展开了深入细致地研究。
This dissertation has conducted the research focusing on the key technologies in H. 264 based wireless video communication system.
码率控制是视频通信系统中的关键环节之一，主要用于调控编码视频的输出质量和内容复杂度。
As a kernel process of a video communication system, the rate control algorithm mainly used to control the output quality and content complexity.
另一个明显的问题是：是否用户将选择专用视频通信系统而忽略另外提供其他功能的设备，比如PC机或游戏面板。
Another open question is whether customers will plump for dedicated video communication systems over those that also serve other purposes, such as a PC or a games console.
每两个单元间具有视频交叉链路通信路径，将能够进行系统备份。
A video cross link communication path between both units will enable system redundancy.
该设备能在单一系统同时探测、监控和记录视频基带、无线电通信、卫星通信以及雷达信号。
It enables a combination of video baseband, radio communicatons, satellite communications, and radar signals to be detected, monitored, and recorded simultaneously on a single system.
语音，电子邮件，视频，即时通信和其它通信系统的不断融合将会继续提升对有实施经验的网络专家的需求。
The ongoing convergence of voice, E-mail, video, instant messaging and other communications systems will continue to create demand for networking specialists with implementation experience.
按需服务的视频系统指的是公司为一般通信所使用的视频。
On-demand video refers to companies' use of video for general communications.
在视频医疗系统中，由JMF提供一个统一的架构和通信协议来管理基于时间媒体的获取、处理和传输。
In video service system, JMF provides a unified construction and correspondence agreement to manage the gain, processing and the transmission of the time-based media.
现代通信系统中，不仅仅需要传输语音信息，还需传输各种数据终端产生的大量数据信息以及视频信息。
A large number of data and video information which produced by data terminal and pronunciation information need to transmit in modern communication system.
通过比较三种不同的网络通信方式，阐述IP组播技术在嵌入式视频监控系统网络传输方面的优势。
The paper explains the advantages of IP multicast technology in the network transmission of embedded video monitoring system through comparing three kinds of different network communication ways.
随着多媒体信息处理和通信技术的飞速发展，虚拟视频会议系统越来越成为可能。
With the rapid growth on multimedia signal processing and communication, virtual video conferencing is becoming possible.
讨论了基于MPEG - 4的嵌入式网络视频服务器的设计方案，包括图像压缩、存储方式、通信和操作系统。
This article discusses a design of an embedded video server system based on MPEG-4, including the image compress, storage architecture, communication system and operation system.
本文基于DDN通信网络，提出了一种H。320视频会议加密系统。
This paper presents a new encryption system of H. 320 videoconference on DDN network.
在现代通信系统中，高效快速的编码算法的研究已经成为视频图像传输的关键技术，是业界极为关注的热点课题。
In modern times communication system, the video image compression code technique is mainly applied in the low code rate at present.
目前，新一代的嵌入式网络视频监控系统更是集先进的图像压缩处理和网络通信技术于一体。
At present, the new generation of embedded network video monitoring system integrates advanced image compression processing and network communication technologies.
视频会议系统正是在这种迫切需要的推动下开发成功的新一代通信产品。
The videoconference is the new communication product, which is developed successfully under the urgent demand.
近几年来，随着通信技术的进步，视频点播系统以前所未有的速度迅猛发展。
In latest years, because of the improvement of telecommunication technology, VOD (video on demand system) is being developed in a high speed which has never been seen.
NET平台结合通信技术、视频技术研究设计了一套新的煤炭产量远程监测系统软件。
NET platform with the communication technology and the video technology was applied to the study and design of a new set software for the remote monitoring and measuring system of the coal production.
提供了一种通过无线信道从发射机向接收机发送未压缩的视频像素的无线通信系统。
A wireless communication system for transmitting uncompressed video pixels from a transmitter to a receiver over a wireless channel is provided.
指挥站由许多子系统组成，包括卫星通信、天线控制、视频会议、监视电视、IP电话和电源。
The command posts consists of a number of subsystems, including satellite communications, antenna control, video conference, surveillance TV, IP telephone, and power supply.
桌面视频会议系统是一种基于多媒体技术与网络通信技术的利用计算机召集会议的系统。
Desktop Video conference System is a kind of multimedia and internetworking communication supporting technology, which is used for holding conferences by the compute end users.
视频会议系统是一种基于多媒体技术与网络通信技术的利用计算机召集会议的系统。
Video conference System is a kind of multimedia and networking communications supporting technology, which is used for holding conferences by the compute terminal users.
为网络视频会议传输提供有效的通信安全，采用一个会议密钥分配的智能卡系统，来解决使用者身份认证和通信安全问题。
It presents smart card system of session key distribution for communications safety to net video conference transmission, resolves user identity authentication with security.
因此，如何针对无线视频通信的特点建立一个高效、鲁棒、低耗的信源编解码系统，存在着巨大的商业前景和重要的学术价值。
Therefore, there are great commercial prospects and important academic value to build a source codec system with efficiency, robust and low computational consumption for wireless video communication.
对控制系统中的驱动、测距、视频和通信模块进行了功能说明，同时完成了各模块的分析设计，确立了各模块的技术方案。
Functions of driving, finding range, video and communication are explained, analysis and design of the modules are completed concurrently and the technical features of each module are established.
以isdn上的视频会议系统为对象，描述了视频会议系统中通信控制的基本任务，并对通信控制的关键环节进行了软件实现。
Some basic tasks of the communication control for ISDN based video conference system and the software implementation of some important parts are described.
我们采用基于DSP的视频图像压缩卡、RS- 485通信卡和上位机监控软件包构建了基于RS - 485总线的数字视频监控系统。
We constructed a RS-485 bus based digital video monitor system with a DSP based video-image compressing card, a RS-485 serial communication card and the monitor software pack for the master computer.
我们采用基于DSP的视频图像压缩卡、RS- 485通信卡和上位机监控软件包构建了基于RS - 485总线的数字视频监控系统。
We constructed a RS-485 bus based digital video monitor system with a DSP based video-image compressing card, a RS-485 serial communication card and the monitor software pack for the master computer.
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