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a video
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  视频
     A video capturing device based on embedded Linux and S3C2410
     基于嵌入式Linux与S3C2410平台的视频采集
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     A Video Coding Scheme of H.26L Based on DSP
     一种用DSP实现的H.26L视频编码方案
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     A Video Terminal for Embedded IPv6 Networks
     嵌入式IPv6网络视频终端
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     Design of a Video Switch Matrix Based on MAX456
     基于MAX456的视频切换矩阵设计
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     Design of a video character superimposition system based on MB90092
     基于MB90092的视频字符叠加系统的设计
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  专用视频
     This paper designs a video signal capturing and processing system using the S3C44B0X embedded ARM processor as core ICs which based on VW2010 a special chip of video processing,and this paper also introduces a system of capturing, compressing, net transmitting and real-time controlling of the video signal.
     本文设计了一种以三星公司的ARM TDMI系列处理器S3C44BOX为嵌入式核心处理器,辅以Vweb公司的专用视频编解码芯片VW2010的视频采集处理系统。 系统可以实现视频图像的实时采集、压缩、网络传输和本地存储的功能。
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     Design of a Video Signal Process Plat form Based on TMS320C6000 and MPC860
     基于TMS320C6000和MPC860视频信号处理平台
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     A fog simulating equipment was developed, and with that 5 kinds of aircraft model (B-5,F-6,F-7,F-8,and A-5)images simulating those of thereal aircrafts taken at 5 levels of visibility (0. 20, 0. 22, 0. 34, 0. 41,and 1. 09 km ) from a distance of200 m were shotted by a video camera.
     利用自制的气雾箱模拟实验系统,录出5种能见度(0.20、0.22、0.34、0.41、1.09km)下5种飞机模型(B-5、F-6、F-7、F-8、A-5)的图象(共125幅)。
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     A Video Frequency Signal Converse System Controlled By AT89C2051
     AT89C2051控制的视频信号转换系统
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     The Application of NetMeeting SDK to Develop a Video Conference System on Remote Education Website
     应用NetMeeting SDK开发远程教育视频会议系统
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     design and realize a video encoder of H.264 based on the DSP chip of TMS320DM642. The transplant and improvement Of algorithms of H.264 is described in detail.
     设计并实现了基于DSP芯片TMS320DM642的H. 264编码器。
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  a video
Super-resolution image reconstruction methods attempt to create a single high-resolution image from a number of low-resolution images (or a video sequence).
      
The installation contains a transparent multizone furnace, vibration and translation mechanisms, a laser illuminator, and a video camera.
      
In this case, an individual computer transmitting information to the control system of the storage ring via the local-area network is used in each beamline to process information from a beam position sensor equipped with a video camera.
      
A device with a video camera attached to a computer was developed for image density measurements.
      
The short-wave ordinary component of the pulse, which is in resonance with the atomic subsystem, effectively generates a video pulse of the extraordinary wave (long-wave component).
      
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The magnetic and physical properties of hot-pressed Mn-Zn and Ni-Znferrites have been investigated. The temperature versus permeabilitycurves, freguency dependence of the real and imaginary parts of theinitial permeability, saturation magnetization, hysteresis loops,magnetostriction and Vickers hardness have been measured. We havedetermined the effects of microstructure on the precise machining。Theeffect of machining operations and thermal treatments on magneticproperties of hot-pressed ferrites have been observed...

The magnetic and physical properties of hot-pressed Mn-Zn and Ni-Znferrites have been investigated. The temperature versus permeabilitycurves, freguency dependence of the real and imaginary parts of theinitial permeability, saturation magnetization, hysteresis loops,magnetostriction and Vickers hardness have been measured. We havedetermined the effects of microstructure on the precise machining。Theeffect of machining operations and thermal treatments on magneticproperties of hot-pressed ferrites have been observed and discussed.We have successfully prepared the Ni-Zn hot-pressed ferrite suitabtefor disk file head and Mn-Zn hot-pressed ferrite as a video-head ma-terial.

研究了Mn—Zn和Ni—Zn系热压铁氧体的磁性和其他物理性能;磁导率温度曲线,磁谱,静态磁性(4πMs,B_(10),Hc,B_r)以及磁致伸缩λ_(11)和维氏硬度。观察了显微结构对热压铁氧体精密机械加工性能的响影。观测和讨论了机械加工和热处理对热压铁氧体磁性的影响。在系统研究的基础上,研制成功磁盘存贮器用的Ni—Zn热压铁氧体和录象机及计测磁带机用的Mn—Zn热压铁氧体。

The high temperature behaviours of evaporated thin films of copper alloys (Cu-Ti, Cu-Sn-Ti, Cu-Si) on carbon substrate have been studied in heating stage of TEM and HVEM and recorded by a video tape recorder. The diffraction contrast of the grains in Cu, Cu-Ti and Cu-Sn-Ti films begins to vary rapidly at about 640, 700 and 750℃ respectively. The vacant areas in these films expand rapidly above about 660, 750 and 800℃. Finally the isolated islands are formed. The balling of these films on graphite and diamond...

The high temperature behaviours of evaporated thin films of copper alloys (Cu-Ti, Cu-Sn-Ti, Cu-Si) on carbon substrate have been studied in heating stage of TEM and HVEM and recorded by a video tape recorder. The diffraction contrast of the grains in Cu, Cu-Ti and Cu-Sn-Ti films begins to vary rapidly at about 640, 700 and 750℃ respectively. The vacant areas in these films expand rapidly above about 660, 750 and 800℃. Finally the isolated islands are formed. The balling of these films on graphite and diamond substrate has been observed by SEM after heating to 750-850℃. The different morphology of the balling on the surfaces of diamond (100) and (111) is due to the different wetting abilities. The expansion rates of the vacant areas in these films have been calculated by using the model of surface diffusion under different curvatures. The calculated values agree with experimental results in the order of magnitude.

本文研究了在碳基上的铜合金蒸发薄膜的高温行为。用TEM和HVEM的加热台进行了观察并录像。Cu,Cu-Ti和Cu-Sn-Ti薄膜在分别加热到约640,700,750℃时,晶粒的衍射衬度开始迅速变化。在分别加热到约660,750,800℃时薄膜中空洞迅速扩展,最后形成孤立的小岛。扫描电子显微镜下观察到在石墨和金刚石基底上的薄膜加热到750—850℃时产生球化。在金刚石(100)和(111)面球化的不同形貌可以认为是由于浸润性的不同。用不同曲率下表面扩散的模型对薄膜中空洞的扩展速率进行了计算,得到与实验值数量级一致的结果。

This paper describes the working principle of LJ-1 radarrecording and playback system, in which the synchronizingtrigger pulse signals and video signals are mixed and recor-ded on a video track of a tape by way of recording theiranalogue quantities. In order to distinguish between the two different signals,the former is indicated as negative polarity pulse while thelatter as positive. The bearing signals are entered into the audio track ofthe same tape by means of recording digital increments,which is...

This paper describes the working principle of LJ-1 radarrecording and playback system, in which the synchronizingtrigger pulse signals and video signals are mixed and recor-ded on a video track of a tape by way of recording theiranalogue quantities. In order to distinguish between the two different signals,the former is indicated as negative polarity pulse while thelatter as positive. The bearing signals are entered into the audio track ofthe same tape by means of recording digital increments,which is more accurate than recording their analogue quan-tities and is cheaper and simpler than recording digitalcoding signals. LJ-1 radar recording and playback system, which wasfully developed in 1980 and put into production thereafter,can be used with both ship radar and ground radar.

本文介绍LJ-1雷达记录与重放系统的原理。在LJ-1系统中,同步触发脉冲信号和视频信号用记录模拟量的方法混合记录在磁带的视频磁迹上。为了区分触发脉冲信号与视频信号,前者记为负极性脉冲,后者记为正极性信号。方位信号用记录数字增量的方法记录在磁带的音频磁迹上,这种方法比记录模拟量的方法准确而比数字编码记录法简单和价廉。LJ-1雷达记录与重放系统于1980年研制成功并投入生产。它可用于船上或岸上雷达站。

 
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