視頻信號線對 的英文怎麼說

中文拼音 [shìbīnxìnháoxiànduì]
視頻信號線對 英文
video pair
  • 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...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 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...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 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. The subject has mainly finished designing and debugging software and hardware of a / d decode module, fpga video processing module, video data frame deposit module, base clock produce module, d / a encode module, i2c bus control module, etc. a / d decode module gathers analog tv signals and realize video decode ; fpga video processing module deals with the data after decoding and produces systematic logic control signal ; video data frame deposit module offers the buffering area to a large n umber of high - speed video data ; base clock produce module through input basic video signal offers system accurate relevant synchronous signal ; under control of video processing module d / a decode module convert digital video data into compound tv signal which can be shown in tv directly ; i2c bus control module is used to initialize the chip of system by simulating i * c bus timing

    本課題主要完成了a d解碼模塊、 fpga視頻處理模塊、視頻數據幀存模塊、基準時鐘產生模塊、 d a編碼模塊、 i ~ 2c總線控制模塊等部分軟、硬體設計及調試。其中a d解碼模塊採集模擬電視信號實現視頻解碼； fpga視頻處理模塊對解碼后的數據進行去噪處理的同時還負責系統的邏輯控制；視頻數據幀存模塊為大量高速的視頻數據提供緩沖區；基準時鐘產生模塊通過輸入基準視頻信號為系統提供精確的相關同步信號； d a編碼模塊在視頻處理模塊的控制下把數字視頻數據轉換成復合電視信號供顯示用： i ~ 2c總線控制模塊模擬i ~ 2c總線時序實現對系統中編、解碼晶元的初始化。
  3. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。
  4. Analog and digital satellite tv signal will be modulated and transmitted to the vod box and tv set through cable network

    衛星電視接收系統先對模擬和數字衛星電視信號進行調制，並通過有線電視網路，將調制后的信號傳送到視頻點播機和電視機。
  5. That noise fm signal emalates tv sound fm signal researchs above two question about correlative detection and restrainning sidelobe. the research ' s result is compared with linear fm emulational research ' s

    用噪聲調頻信號對電視伴音調頻信號進行模擬研究上述提到的相關檢測和旁瓣抑制問題，並與線性調頻信號模擬研究相比較。
  6. This project uses the single chip machine mcs - 51 as its fundamental controlling unit and adopts many digital chips. scrambling is fulfilled by compressing some of the synchronous tips carried by rf signal

    本方案以單片機mcs - 51作為加解擾系統的核心控制器件，通過將有線電視射頻信號的某些行同步頭壓縮掉的方式實現對電視信號的加擾。
  7. At the same time, an automatic gain control and floating threshold setting intelligent detecting and processing method based on linear ccd is proposed, and the disposal and transform of ccd video signal is carried out by hardware and software

    提出了一種基於線陣ccd的自動增益控制和浮動閾值的智能信號檢測與處理方法，用硬體和軟體實現了對ccd視頻信號的進行處理和變換。
  8. The card is a independent instrument which can do white - black video image digitization, eompresing, coding and transmit the compressed image data to host computer by rs - 485 bus, so the card can solve the bottle - neck problem of the video supervise system completely

    該壓縮卡是一個獨立的視頻圖像壓縮和傳輸設備，它能直接對黑白電視信號進行數字化和壓縮編碼，並通過rs - 485總線將壓縮的圖象數據發送到上位機，徹底解決了視頻監控中的傳輸「瓶頸」問題。
  9. For recent years, adsl has world widely employed and widely used in many aspects such as vod, remote medical treatment and e - shopping etc. but we noticed that the traditional telephone networks are designed for the transmission of low frequency signals, and the adsl ' s frequency rang is from 0 to 1. 104mhz, so we must confront the signal attenuation, the loop line noise impairments, the crosstalk interferences, the bridge tap reflections and the rf disturbances problems and many other problems when transmitting the adsl signals one the telephone networks

    近幾年來， adsl在世界范圍內得到充分的使用，廣泛應用於視頻點播、遠程醫療、網上購物等各個方面。但是由於電話線網路是專門為傳輸低頻信號而設計，而adsl的頻譜范圍在0 1 . 104mhz內，因此在傳輸adsl信號時，面臨著信號衰減、線路噪聲、串音干擾、橋接抽頭反射和射頻干擾等等多方面的問題，這就要求在adsl開通之前對線路進行一系列的測試。
  10. The alarm control system made of lonworks technology has been used in the lab of shipping simulation central. to inspect the areas of lab, combined with the video signal and control system, makes the purpose of guard against fire and theft into reality. this synthesis - control alarm is the innovation of net era, it breaks the traditional inspect control

    航運模擬中心實驗室採用lonworks總線技術組成功能強大的報警監控系統，並將視頻信號和監控系統結合起來，對實驗室的各個區域進行監控，達到了防火防盜的目的，這種聯控報警是網路時代的創新，對過去傳統意義上的監控是一個突破。
  11. 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。
  12. This is in line with experimental research in rodents where central or peripheral administration of nmda - antagonists has been shown to produce effects that resemble some symptoms of schizophrenia. bilateral injections of competitive and non - competitive antagonists in the medial pfc ( mpfc ) induced hyperactivity

    2 .實驗中「 go 」線索呈現時， pfc神經元放電頻率顯著增加，高於「 no90 」線索呈現時神經元放電頻率增加值，提示對視覺警告信號的反應具有識別和分辨作用。
  13. In the blue print of the digital, make sure of the logarithmic amplifier, a / d / a converter and fpga realize the if amplifier, big dynamic range agc, detect and video process same as that in the blue print of the analog

    在數字方案中，筆者結合軟體無線電技術，通過使用對數放大檢波器、 a / d / a轉換器以及fpga軟體實現了同樣的中頻放大、大動態范圍的agc控制、以及檢波、視頻信號處理等功能。
  14. Delivering quality video over wireless channels in real time is a challenging task. this isprimarily because of the throughput of a wireless channel may be reduced due to multipath fading, cochannel interference, and noise disturbance. therefore, there is a critical need forrobust transmission of video over wireless channels. recently, the emergence of mimo - ofdm has stimulated great interest in real time video communication, because this system can offer broadband for the multimedia data transmission over wireless channels

    因為傳統的視頻壓縮技術是針對單天線系統，只產生單一的比特流，這與多天線系統不相適應，為此，需要將視頻信號分解成相應的多個碼流。本文探討一種將能視頻信號分解成多個碼流的多描述編碼方法，以適應多天線系統的傳輸。
  15. At the beginning, this paper has some brief dissertation on the basic principle of the dsl and the multimedia data compression, the key technique of sdsl, the transport protocols, and the data transfer system structure based on the twisted - pair. then it gives an analysis of the point - to - point data link protocol ( ppp ) and the real - time transmission protocol in detail, which provide the side - to - side transmission service for audio frequency and video frequency data, and so on based on the these, we developed a multimedia sdsl modem system used to transfer data and phonetic

    本文首先對dsl系統和多媒體數據壓縮技術的基本原理、 sdsl的關鍵技術、傳輸協議以及基於雙絞線的數據傳輸系統的結構進行了簡要的論述，並詳細分析了點到點的數據鏈路協議（ ppp協議）以及實時傳輸協議，其為音頻、視頻等實時數據提供端到端的傳送服務。可以向接收端傳送恢復實時信號必需的定時和順序信息，並向收發雙方和網路運營者提供qos監測手段。
  16. The thesis is organized as follows : an overview of wireless and multimedia communication is presented and a wireless image communication system is proposed in chapter 1 ; chapter 2 makes a brief introduction on image signal capture device and related software implementation ; source coding is mainly studied in chapter 3, followed by in - depth modulation techniques studies in chapter 4

    第二章對視頻信號採集的硬體設備和軟體實現分別介紹；第三章介紹視頻信號的壓縮；第四章分析了用於視頻信號無線傳輸的硬體設備? ? orinoco無線網卡所採用的調制解調技術並介紹了網卡的工作原理。
  17. Adopt the ds18b20 ' s figure temperature sensor, take the online measure to the key eq uipment of the system ; as to the video signal in the monitoring system, since the fact that video wire is tiny, and the connector is great, especially to those relative and removable video signal, the video wire is easy to break down, such as short circuit and so on, along with the video device is over a long period of time being in the circular telegram running state, also easily running into trouble, hence, valid means to be take adopt to the video signal

    本故障分析儀採用了ds18b20數字溫度傳感器，對關鍵設備的機溫進行實時在線監測；對于監控系統中的視頻信號，由於其線路長、線徑細、轉接頭較多，尤其是那些可旋轉、移動的視頻信號，易發生視頻線斷線、短路等情況，再加上視頻設備是長期處于通電運行狀態，也易發生故障情況。因此應採用有效的方式對視頻信號進行監控。
  18. The main focus of this paper is to design a general - purposed embedded video digital signal processor. aimed at the general - purposed nature to different kinds of algorithms of this system, network architecture of parallel - processing multi - processors is studied, and the bottleneck problem of the system common bus is solved, thus establishing a detailed project of the system. to achieve the stability of the system, the signal integrity problem in the printed circuit board ( pcb ) is studied as its theoretical background, and the design rules of the high - speed circuit pcb are summarized, which have been applied in actual systems, and thus achieving good effects

    本文設計了一套通用的嵌入式視頻數字信號處理器：針對系統對多種演算法通用性要求研究了多處理器的并行處理網路結構，解決了該系統的總線瓶頸問題，並確定了系統的詳細設計方案；針對系統對穩定性要求，在理論上研究了印刷電路板中的信號完整性問題，總結了高速電路印刷電路板的設計規則，並在實際系統中獲得了應用，取得了很好的效果。
  19. 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。
  20. And the adaptive beam forming using smi ( sampled matrix inversion ) method is discussed and validated through simulation. the signal processing procedure of phased array radar using lfm signal, matching filtering, distance side - lobe restrain are discussed and video signal processing procedure simulation is completed

    本文還研究了相控陣雷達的信號處理過程（針對線性調頻信號） ，對線性調頻信號的匹配濾波，距離旁瓣抑制進行了模擬分析，完成了線性調頻信號的視頻處理過程的模擬。
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