digital video bandwidth 中文意思是什麼

digital video bandwidth 解釋
數字視頻帶寬
  • digital : adj. 1. 手指的；指狀的。2. 數字的，數據的。n. 1. （鋼琴等的）琴鍵。2. 手指。
  • video : n. 電視；視頻；影像。adj. 電視（用）的，視頻的，錄像的。
  • bandwidth : （帶寬）：電纜，鏈路或系統傳輸數據的能力。
  1. This paper refers to several creation in compatibility with large volume of fed display and conversion of different video signal. it firstly used special central chip al300, designed correlative circuits, successfully developed vga full - color fed console system, compatible with resolution 1280 1024, achieved functions such as multi - video signal conversion and interleaving, met vga ’ s resolution of fed. it firstly designed and fabricated vga interface and separated video interface - - s - video, converting several video signals to 24 bits full - colored digital image signal in fed driving system, achieved separation of luminance signal and chromatism signal, enhanced the bandwidth of luminance signal

    首次採用平板顯示專用控制晶元al300 ，設計並製作了相關配套電路，支持的最高解析度是1280 1024 ，實現解隔行和多種視頻格式轉換的功能，滿足了fed顯示屏對vga解析度的要求。首次在基於fpga的vga級彩色fed控制系統中設計並製作了vga介面和分離電視信號s - video介面，可以將多種視頻信號變換為fed驅動系統可用的24位彩色數字圖像信號，實現亮度信號和色差信號的分離，提高了亮度信號的帶寬。
  2. According to the characteristic of ieee 1394 with wide bandwidth, common and real - time, the author put forward ieee 13 94 should be applied into real - time digital video transfer in optics - electronics theodolite. before engineering realization, carried out a video image transfer test on three types of digital video tape recorders and camera with ieee 1394 interface. we found that digital videos without compression transfered under ieee 1394 standard ( transfer from 4. 5m to 100m ), compared with analog videos, have no geometric distortion, and have better luminance, contrast, definition

    作為工程實現前的實驗研究，對三類具有ieee1394介面的數字錄像機和攝像機進行了視頻圖像傳輸實驗，發現無壓縮格式的按ieee1394標準傳輸的數字視頻圖像（傳輸距離從4 . 5米到100米之間） ，較原始模擬視頻圖像在幾何位置信息上沒有衰變，而在亮度、對比度、邊緣清晰度這些方面有明顯的優勢；但是按dvcam壓縮格式（常見于sony公司的系列產品，是5 ： 1的dct幀內壓縮）壓縮的數字視頻圖像，較原始模擬參照圖像有明顯的幾何畸變。
  3. Owing to its fast development and innate broadband nature, digital tv systems, especially hfc / catv networks, are competitive candidates for broadband access networks, which meet the bandwidth requirements of convergence of video, voice and internet data services

    同時，數字電視系統的飛速發展和固有的優點，成為提供網際網路接入業務的有力競爭者，特別是我國的有線電視網（ catv ）擁有巨大的網路資源。
  4. And it has significance in multimedia communication, digital multimedia broadcast and portable consumer electronics etc. the real - time implementation of video coding requires very high computation power and memory bandwidth

    它面向移動多媒體應用，對新一代移動多媒體通信、數字多媒體廣播、便攜式視聽消費電子產品等產業的發展具有重要意義。數字視頻數據壓縮的實時實現對處理器的計算能力和帶寬要求很高。
  5. Asymmetric digital subscriber line can supply the necessary bandwidth for applications such as fast access to the internet, video conferencing, interactive multimedia, and videoon - demand. this technology is designed to solve the most severe bottleneck in the data access network between the central office and the customer, or end - user

    Adsl可以為許多應用提供必要的帶寬，如快速接入internet ，視頻會議，互動式多媒體技術以及視頻點播等，可以解決在局端和用戶端之間接入網路速率讓人難以忍受的速率瓶頸問題。
  6. Firewire 800, also called ieee 1394b, provides the highspeed connection and bandwidth required for multiple - stream, uncompressed digital video and noise - free, high - resolution digital audio. it offers maximum flexibility with long - distance cabling and configuration options not available with usb

    Firewire 800 ，也稱為ieee 1394b ，它能為multiple - stream未經壓縮的數字視頻和無噪音的高清晰數字音頻提供所需的高速連接和帶寬。
  7. With higher bandwidth, longer distances, and a higher - powered bus, this interface is suitable for hard drives, digital video, professional audio, high - end digital still cameras, and home entertainment devices

    只要有較高的帶寬較長的距離和供電能力較強的總線，這種介面就適用於硬盤數字視頻專業音頻高檔數碼相機及家庭娛樂設備。
  8. When the digital streaming video is transmitted on internet, it will be affected by the network, such as bandwidth, so the paper also deals with streaming video watermarking and its exclusive requirement. at the last chapter, an object - based watermarking algorithm has been presented. the watermarking algorithm for mpeg - 4 compression is devoted to address the influence from the rate scalability, based on static texture object in mpeg - 4 and watermarking in wavelet domain

    在此基礎上針對視頻與圖像的異同點，分析比較了靜態圖像水印和視頻水印特點的異同，並且結合在internet上傳輸視頻時，網路自身的特性（比如帶寬資源等）對視頻流產生的影響，以及這些影響對視頻流水印技術的特殊要求，結合基於對象的視頻編碼標準mpeg - 4的特性，提出了在視頻對象中利用基於小波變換的水印方案。
  9. Due to the huge volume of digital video data, the transmission and store of the digital video require very high transmission bandwidth and very huge capacity. these high requirements have become the biggest obstacles to popularize digital video communication applications

    由於視頻圖像的數據量非常大，數字視頻傳輸所需的高傳輸速率和數字視頻存儲所需的巨大容量都成為推廣應用數字視頻通信的最大障礙，這也促使視頻壓縮編碼的應用日益廣泛。
  10. But digital video has an inherently high bandwidth, which limits the video application in multimedia services

    但數字視頻內在的高帶寬特性限制了多媒體業務的發展。
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