实时视频

This paper precisely conducts the special topic research in view of some important technologies of the digitized control module.(1) AC motor control circuit of PAN/TILT is designed ,which speed is controlled by AT89C51 MCU. DC motor control circuit of LENS is designed too.(2) The hardware and software of automatic temperature control is designed, which used in camera protect box without A/D IC. A kind of single wire communication IC is used in the circuit. So, the program is given.(3) A method of video switch without picture shock is discussed in this paper, and 16x8 video switch circuit is designed. AT89C51 can carry out time sequence logical control with the sync signals by request..(4) The module of real-time clock is designed, in which, LCM is used, a kind of three-wire communication IC is used too.

1给出了一种由89C51单片机控制的简单易行的交流云台转动变速控制电路，实现了云台及其电动三可变镜头的控制；(2)给出了无需外加A/D、单线通信的防护罩自动温度控制电路，完成了单片机温度控制软件的设计；(3)提出了"无抖动"视频切换的设计思想，给出了16×8的视频切换电路，利用单片机在视频信号的场消隐期控制切换，从而实现了"无抖动"切换；(4)给出了一种三线接口通信的液晶显示实时时钟电路，完成了程序设计；(5)提出了在视频监控系统数字控制模块中，用CAN总线取代传统的RS-485总线，实现PELCO-P协议传输的方案。

Because of the heavy calculation requirement for HDTV video realtime decoding, considering the situation of our country and this project and based on the idea of parallel processing, a novel HDTV video decoder architecture which utilizes SDTV video decoder ASIC by cross-division is proposed.

由于实现高清晰度电视视频实时解码所需的运算量巨大，针对我们国家以及本项目的实际情况，基于并行处理的思想，提出了采用SDTV视频解码ASIC，进行十字划分的HDTV视频解码方案。

In further simulation, the results show that this algorithm is able to solve the mixing problem of video signals perfectly. The image of the transferred video signals, decompressed by XVID, is nearly consistent with the source ones. Besides, the new method meets the requirement on real-time video communication.

仿真结果还表明，该算法可以很好地解决视频信号的混叠问题，视频信号由XVID解压后的图像与原先一致，同时满足视频传输的实时性要求。

In this paper, a CWE model of the distance education system is provided. In order to enhance the bandwidth utilization factor, a transfer method based on multi-channel is presented. Both the transmission of real-time media stream and time-stamp technologies are introduced to the system to ensure the requirement of real-time characteristic and synchronism, and a simple protocol based on RTP (Real-time Transfer Protocol) and UDP is designed. The method, event simulcast, is also brought forward to reduce the data redundancy and expand the collaboration scale of the system.

本文给出了远程教学的协同工作环境模型；设计中为了提高系统带宽利用率，采用一种更符合实际应用要求的"单播+广播"的有效通信方式；为了解决音视频同步问题，参考实时媒体流和时间戳同步技术，设计了一个基于用户数据报协议UDP和实时传输协议RTP的简单传输协议，实际应用中保证了数据的实时性和同步性；系统采用基于显示同播的事件同播方式，这样在一定程度上降低了数据冗余，同时扩大了系统的用户数量。

The target king security analysis system is becomes by the wealth culture dissemination center research and development, in integrates 2380 outstanding targets, target operational, you do not need the profound stock theory, may the proper operation, be truly the fool type speculates in the stock market the software; In the software speculates in the stock market in the toolbar, has each kind of stock calculator, the real-time foreign exchange treasure, the video on demand, the online P2 television, the stock good world information, the daily publication magazine, the electronic painting pen, to grasp the chart tool, the organization memoir, the fund radar, the big list inquiry, ultra to win functions and so on rank, and in this help video frequency has the auspicious thin software operation video frequency help and ten extended functions, the user may act according to own demand the software which likes oneself to integrate in this software; But in software's time sharing chart, we integrated this important connection website for you, the user, so long as enters some stock in the time sharing chart, has underneath the left ultra wins the picture, ultra to win the rank, to win the data, ultra to win the data, the L2 data, the DDE target, the BBD target, the panoram information, the unification stock market, the stock news and so on this connection website, the user, so long as clicks may examine this stock the related information; But "the service" in the option card also integrated several hundred well-known finance and economics websites and the video frequency website in the software, may for the user inquiry finance and economics information, ultra win finance and economics related contents and so on data, fund quotation, finance and economics video frequency, news information.

指标王证券分析系统是由财富文化传播中心研发而成，内集成2380个优秀指标，指标操作性强，你不需要高深的股票理论，就可以正确操作，真正是傻瓜式炒股软件；在软件的炒股工具栏内，有各类股票计算器、实时外汇宝、网络电视、在线P2电视、股行天下资讯、每日报刊杂志、电子画图笔、抓图工具、机构研究报告、资金雷达、大单查询、超赢排行等功能，且此帮助视频内有祥细的软件操作视频帮助和十个扩展功能，用户可以根据自己的需求把自己喜欢的软件集成到本软件中；而在软件的分时图中，我们又为你集成了该股重要的关联网站，用户只要进入某股票的分时图中，在左下方就有超赢图片、超赢排行、全赢数据、超赢数据、L2数据、DDE指标、BBD指标、全景资讯、统一股市、个股新闻等该股关联网站，用户只要点击就可以查看该股的相关信息；而在软件的&服务&选项卡中还集成了几百个知名的财经网站和视频网站，可供用户查询财经资讯、超赢数据、基金行情、财经视频、新闻资讯等财经相关内容。

In this paper,AVS algorithms and complexity are first analyzed.Based on the analysis,an optimized real-time AVS(a Chinese next-generation audio?video coding standard)HDTV video decoder with HW?SW portioning is proposed.

从AVS视频标准算法和实现复杂度入手，提出一种AVS高清视频解码器软硬件分区结构，实现满足基准档次6.0级别的AVS高清视频码流的实时解码，支持灵活的音视频同步、错误恢复、缓冲区管理和系统控制机制。

It adopts the special arithmetic that generates a point by intersecting of two beelines. There isn t defect such as generating the radar video by table look-at bitmap. The radar image is more verisimilitude, and it is better to simulate sea echo suppression, anti clutter rain, etc.

它改变了以往采用位图形式查表实时生成雷达视频信号算法的缺点，采用了从矢量化的海图数据中通过直线求交的算法实时生成雷达视频信号，这样在真雷达显示单元上显示的图像更加逼真，特别是在近量程，能真正提高雷达距离分辨力，不会出现马赛克现象，而且对于模拟诸如海浪抑制、雨雪干扰等效果更为方便。

In PC assisting, it can real-time generate radar video signal which display on real radar screen. It adopts the special arithmetic that generates a point by intersecting of two beelines. There isn t defect such as generating the radar video by table look-at bitmap. The radar image is more verisimilitude, and it is better to simulate sea echo suppression, anti clutter rain, etc.

它改变了以往采用位图形式查表实时生成雷达视频信号算法的缺点，采用从矢量化的海图数据中通过直线求交的算法实时生成雷达视频信号，这样在雷达显示的图像更加逼真，特别是在近量程，能真正提高雷达距离分辨力，不会出现马赛克现象，而且对于模拟诸如海浪抑制、雨雪干扰等更为方便。

Finally, the encoder and decoder are both realized on a processor DM642. Simulation and Emilution experimental reseals are also reported in the thesis. Finally, the decoder system based on the DM642 was optimized. The experiment results show that the performance in terms of real-time processing is enhanced.

在移植的过程中，进一步按DM642的硬件结构对解码器作了软件优化，提高了解码实时处理性能，为下一步在DM642系统上开发视频采集、视频播放、编解码加解密实时对接提供了有效的平台。

Based specialized, generalized and visualized basic geographical information, it collects many information, such as detected video, traffic control signal, traffic peccancy, policemen distributing, traffic target, stopping position and capacity, to general manage and analyze. The primary visualized decision information including traffic flux, bus speed, traffic density, accident of real-time cities main road, are provided to traffic manager so that they respond rapidly, and some of them could be transformed to traffic inducing screen through network.

系统设计目的：建成一个基于网络环境的实时的、可视化的交通管理地理信息系统服务平台，它以专业化的、综合性的、可视化的基础地理信息为基础，综合集成现有系统，将监控视频，交通控制信号、交通违章监控等实时动态信息以及警力分布、交通标志、停车场位置及容量等各种数据采集起来，进行集中管理和分析，为交通管理者提供实时的城市各主要道路的交通流量、车速、交通密度、事故发生情况等可视化初级辅助决策信息，以便交通管理人员做出快速响应，也可将部分信息通过网络主动发布到交通诱导屏。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。