視頻集線器 的英文怎麼說

中文拼音 [shìbīnjíxiànqì]
視頻集線器 英文
video line concentrator
  • 視 : Ⅰ動詞1. （看） look at 2. （看待） regard; look upon 3. （考察） inspect; watch Ⅱ名詞（姓氏） a surname
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 集 : gatherassemblecollect
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 視頻 : [物理學] video frequency （v f ）; vision frequency; visual frequency; video視頻變頻器[變換器] vi...
  1. The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data

    本文從計算機視頻電磁泄漏和數字濾波器兩方面的基本理論出發，詳細論述了計算機視頻信息電磁泄漏的原理及特點，指出視頻泄漏信息的頻譜是以行頻為周期的譜線；分析了重加濾波器和梳狀濾波器的性能；分析了視頻泄漏信息截獲的條件；推導出穩定截獲視頻泄漏信息需要對同步信號的精度控制在皮秒級；論述了清晰再現對接收機和數據採集卡的技術要求。
  2. Company now have independence develop ten many china patent and many independence intellectual property ' s software copyright ' s product ; company major product : cable television consumer management control system ( but look for address 2 - 8 branches allot style, 8 - 32 gather line style ) ; shoot frequently plus unfasten harass system ( crowd plus crowd unfasten, cent two sections, point channel shan unfasten ) ; video frequency number subsections plus unfasten harass system ; cable television network burglarproof sow system ; number cable television product is with number mmds ( microwave ) systematically ; general purpose type prevent thunder supply electric appliances, shoot frequently automate supply electric appliances, but look for address control supply electric appliances ; power supply prevents thunder protection product ; pass flow branch, dispenser, split utensil, cavernous wave utensil, power supply inserts utensil, but transfer attenuator, but transfer equalizer wait for

    目前擁有十多項中國專利和多個自主知識產權的軟體版權的產品；公司主要產品：有線電視用戶管理控制系統（可尋址2 - 8戶分支分配式、 8 - 32戶集線式） ；射頻加解擾系統（群加群解、分兩段、按頻道單解） ；視頻數字分段加解擾系統；有線電視網路防盜播系統；數字有線電視產品與數字mmds （微波）系統；通用型防雷供電器，射頻自動控制供電器，可尋址控制供電器；電源防雷保護產品；過流分支、分配器，分流器、陷波器、電源插入器，衰減器、均衡器等。
  3. The research results are controlled source which has linear or nonlinear variabe frequency scan function and the seismic instruments which match with it, and the method of small group intervals, small offset, much more channels, short array length, high - frequency receivers are applied during the link of data acquisition, and that the techniques of the refraction static correction, the noise suppressing, the high - resolution velocity analysis, the wavelet length compression, the wavelet zero - phase, and the prestack migration should be applied emphasizedly during the link of data processing and interpretation

    研究表明，對于城市活斷層的抗干擾高解析度淺層地震勘探，在數據採集環節應採用具有線性或非線性變頻掃描功能的可控震源和與其相匹配的地震儀器，以及小道間距、小偏移距、多接收道、短排列和高頻檢波器接收的工作方法；在數據處理與解釋環節，要重視折射靜校正技術、噪聲壓制技術、高精度速度分析技術、子波壓縮技術、子波零相位化技術和疊前偏移技術等的應用。
  4. Firstly, this paper makes a detailed study on the field control bus system ( pcs ), including the characters of pcs by comparing fcs and dcs, model networking of pcs and several popular field bus, then put forward a question for discussion combining embeded internet technology and field bus and measure and control networking model based embeded internet technology is constructed. secondly, it studies embeded system including the core of hardware ? mbeded microprocessor and real time operation system. thirdly, the method of realizing embeded internet is discussed for emphasis, and difficulty of ehernet application in industry measure & control system is analysed. an instance of measure & control networking system based embedded ip is given. finally, the author designed a networked remote video surveillance system based embedded web server, c / os - ii is sacled and ported into the embedded microprocessor at89c51. based on the c / os - ii rtos, tcp / ip protocol suite and application program is designed in detail. the system w orks well that improves that the embedded internet technology will be widely used in modern measure & control networking system and has extend values

    本文首先分析了現場總線系統（ fcs ）與傳統集散控制系統（ dcs ）相比具有的特點、 fcs的網路體系結構，介紹了幾種流行的現場總線，提出了將嵌入式internet技術結合現場總線構建現代測控網路的課題；在此基礎上，構建了基於嵌入式internet技術的測控網路結構模型；深入研究了嵌入式系統的核心硬體?嵌入式微處理器，通過對比普通操作系統，描述了嵌入式實時操作系統的特點；重點研究了實現嵌入式internet的四種實現方法，並分析了以太網在工業測控系統中應用的難點，給出了一個基於嵌入式ip的網路測控系統實例；最後，研究與設計了一個基於嵌入式web服務器的遠程網路視頻監控系統，該嵌入式web服務器利用目前成熟的嵌入式實時操作系統c / os - ，通過對c / os -進行適當的裁剪、修改與移植，在at89c51嵌入式微處理器上實現了tcp / ip協議棧及應用程序，系統的成功運行證明了本文研究成果的有效性，也表明嵌入式internet技術在現代測控網路系統中具有廣闊的應用前景和推廣價值。
  5. This article according to the acquirement of the system parameters such as : temperature sensitivity 、 angle resolution 、 image forming time etc to design the type and diameter of the antenna ; the receiver type, integral time, rf gain, lpf gain ; the mode of calibration ; the sample frequency and program of the daq ; the scanning time, scan type, etc

    本文根據系統溫度靈敏度、角解析度、成像時間等參數要求，對系統天線類型、直徑，接收機類型、積分時間、射頻增益、視頻放大器增益，定標方式，數據採集卡的采樣頻率、編程及驅動裝置的掃描速度、掃描類型等進行了詳細的分析設計。
  6. First, the system converts the received tv program signals into mpeg file with video capture card, cut the mpeg file into several short mpeg files according to the content of the program and establish index for them. then, it transports the short mpeg files to jukebox server. the jukebox server with responsibility for discs management, it record the program material into discs and provide service for clients visit the program online

    系統將接收到的衛星電視信號通過視頻採集卡，把它採集成mpeg文件，再根據節目內容將mpeg文件分段成小的節目素材文件並建立檢索索引，然後將它傳遞到光盤庫服務器；光盤庫服務器負責光盤的管理，它一方面將節目素材文件刻錄到光盤上，另一方面為客戶機提供在線訪問服務；客戶端根據一定檢索條件進行檢索，獲得所需的節目素材文件，並下載到本地，本地的媒體編輯軟體直接對mpeg文件進行編輯，生成新的節目。
  7. As the only company in the prc that has the capabilities to produce and system assemble an extensive range of different grades of computer servers with a price range from rmb20, 000 to tens of millions of rmb and being the only systems integrator in the prc owning its brand of high performance computers and servers, dawning takes prides in its well established and extensive customer base and sales distribution network which will be utilized to complement its products and technology to provide systems oy s vdsl broadband solutions to telecom operators, cable television network providers, internet service providers and other corporate customers within the prc

    作為國內唯一能同時生產由兩萬元至數千萬元人民幣，全系列不同級數服務器的生產商，及國內唯一基於自有品牌高性能計算機及高端服務器的系統集成商，曙光信息在國內擁有雄厚的客戶基礎及大的銷售網路。曙光信息將利用本身的優勢，配套公司的產品及技術，為國內的電訊經營商有線電視網路商網際網路服務供應商及其他企業客戶提供vdsl寬頻傳輸方案，進一步提升曙光信息的網路服務。
  8. In the dissertation ， we discribe the implementation of large capability video data acquisition system based on pci bus of computer 。 the system is composed of data acquisiton card and corresponding software 。 the data acquisiton card include two acquisition channels ， 8 - bit digitization at rates up to 13. 5mhz 。 frist ， the architecture of the video data acqusition system is studied 。 then ， the function and implementation methode of each module are introduced in detail 。 the control module of the video data acqusition card is implemented by using of the isp technology of cpld and vhdl programming technology 。 the a / d converter used assembler to implement the initialazation programe 。 and the double buffer technology is used for large capability data acqusition. because a contiously large memory is difficult to apply in windows operating system 。 finally we use broland c + + to introduced the devleoping procedure of drivers 。

    在實際的研製過程中，利用cpld的在系統可編程（ isp ）技術和基於vhdl語言的可編程邏輯器件設計技術實現了視頻數據採集卡的控制模塊。在視頻的a / d轉換模塊，用匯編程序模擬i2c總線對初始化a / d轉換晶元。針對大容量數據採集，採用了雙緩沖技術解決wndows操作系統下難以申請到大容童連續內存的間題。
  9. The image data are stored and exchanged under an " interruption & dma " parallel mechanism, which can run simultaneously with dsp unit. two different voltage power resources are provided for the whole system, which are watched by one surveillance circuit. system anti - jamming and system optimization measures are added into system for future circuit debug

    視頻採集單元採用philipssaa7111及fpga晶元，以標準視頻信號（ pal或ntsc ）為輸入，通過fpga及i2c總線，對圖像數據進行剪裁及採集；採用兩幀存儲體輪換工作機制，省去fifo器件，降低成本；採用"交叉連續"地址存儲空間，便於dsp進行dma傳輸。
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