vsb 中文意思是什麼

vsb 解釋
殘余邊帶
  1. Vsb - am estigial sideband - amplitude modulation

    殘留邊帶調幅
  2. Vsb vestigial side - band

    殘留邊帶
  3. In ofdm tech, multicarrier transmission with fft is used to combat with channel fading. in vsb tech, an adaptive equalizer is used to combat with channel fading

    在ofdm技術中，以多載波傳輸結合fft技術來對付通道衰落，在vsb技術中以自適應均衡器來對抗通道衰落。
  4. In the second chapter, the theory of vsb is described. following that, the theory and algorithms of the main functional receiving components for our transmission draft are described in detail and analyzed deeply. these algorithms are applied in the chip successfully

    第二章，首先講述vsb的調制原理，然後針對我們提出的數字電視傳輸方案下的有線通道接收晶元的各個主要功能模塊的實現原理和採用的演算法進行了較詳細的敘述和較深入的分析，這些演算法在本晶元中得到了成功的應用。
  5. As the step of the color tv ( the second generation ) to the digital tv ( the third generation ) is larger and larger, the research of digital television terrestrial broadcasting ( dttb ) become more and more important in china, we are concentrating on the standard of dttb which is suit for our country after describing and analyzing the technical stipulation and speciality of dttb, this paper compares atsc 8 - vsb with dvb - t cofdm and isdb - t bst - ofdmo the emphasis of this article lies in the technical solution about transferring system, channel coding is important component of dttb, which can resist from the bad circumstances o because of lots of varieties and different performance, channel coding become one of the emphasis of the research work this paper analyzes and researches the theory and performance of the different channel coding particularly, points out an effective theoretic analysis method and computer demo of performance comparison a theoretical method for estimating the performance of concatenated codes is proposed in this paperc this is achieved by combining the performance of single level coding rayleigh fading channel and the character of channel modulation it may be useful to research and development of the future digital television terrestrial broadcasting standard of our country

    通道糾錯編碼是數字電視地面廣播傳輸系統的重要組成部分，是抵禦地面惡劣環境的有效手段。由於通道編碼的種類繁多，性能各異，因此是目前研究工作的重點之一。本文詳細分析和研究了幾種通道糾錯編碼的原理和性能，並針對外碼內碼級聯糾錯結合地面通道瑞利衰落提出了一種有效的理論分析方法和性能的計算機比較演示方案，總結了不同級聯方案的性能特點，對於我國目前的數字電視地面廣播標準的研究和通道級聯糾錯方案的確立及其參數選擇具有一定的參考價值。
  6. The observation image is often rotated of some angel since the detector ’ s rotation is relative to the hose machine. thus it is necessary to do the real time image - rotation in reverse. it is important for fellow treatment such as observation, target detection and tracking, etc. this image tracker adopts real time electronic canceling image rotation technique by vsb

    由於光學圖像探測器常常會相對于載機轉動某一角度而使觀測圖像發生旋轉，因此往往要對圖像探測器獲得的目標圖像進行實時反旋轉變換，以便更好的人眼觀測以及對目標圖像的自動識別跟蹤等后續的圖像處理。
  7. The u. s. transmission format is called 8 - vsb ( for 8 - level vestigial sideband ), which is more susceptible to multipath distortion than the european system, called coded orthogonal frequency division multiplexing, or cofdm

    美國的傳送格式是八階殘邊帶（ 8 - vsb ） ，這種格式比歐洲的編碼正交分頻多工（ cofdm ）系統，更容易受到多路徑問題影響。
  8. Vsb veterinary surgeons board of hong kong

    香港獸醫管理局主席獻辭
  9. The paper discusses the part of asic design of tcm ( trellis coded modulation ) in hdtv 8vsb terrestrial channel broadcasting receiver chip. in testing, the tcm can improve the signal - to - noise by 3. 3db compared with uncoded 4 - vsb modulation, and with the 12 path intrasegment interleaving in tcm coding and viterbi decoding, system can control short burst noise error efficiently

    在高清晰度電視通道接收晶元中內碼是8 ? vsb的格狀編碼，在系統性能上使用tcm編碼要比未編碼有3 . 3db的編碼增益，另外在格狀編碼中加入了12路的內交織，可有效的抑制短的突發噪聲對接收端viterbi解碼性能的影響。
  10. Specification for rf characteristics of mac am - vsb cable receivers

    Mac am - vsb電報接收器射頻特性規范
  11. A new kind of adaptive equalizer used in vsb tech is brought out

    在此基礎上，設計出了新一代用於vsb系統的自適應均衡器。
  12. Two digital real time filters ( mean filter or median filter ) are designed based on vsb

    基於vsb平臺提出兩種實時數字濾波方案:平均值法和中值濾波。
  13. But 8 - vsb did so poorly in multipath environments that sinclair urged the fcc to switch

    不過8 - vsb在多路徑環境下的表現很差，因此辛克萊集團要求fcc更改標準。
  14. In this paper, the author studies the ofdm tech and vsb tech, and analyzes their characteristics

    本文研究了ofdm和vsb對抗通道衰落技術，並分析其各自的特點和局限性。
  15. A new channel estimating algorithm is proposed and discussed in the application of ofdm tech and vsb tech

    給出了一種新的快速通道估計演算法，並對其在ofdm和vsb中的應用進行了分析和比較。
  16. Although my experiences echoed sinclair ' s findings, i figured i should give 8 - vsb an honest shot with a better antenna

    雖然我的使用經驗符合辛克萊集團的測試結果，我還是覺得應該用好一點的天線，認真測試一下8 - vsb的實力。
  17. Chapter 3 treats the principle of the best tuning synchronization loop, and the realization of the data - aided timing synchronization loop. together with the characterization of band - limited signals without biter symbol interference and the one of atsc - vsb signals, the chapter proposes a scheme for implementing timing synchronization loop used in hdtv

    第三章首先論述了最佳位同步環的原理，以及數據輔助位同步環的實現，並結合無碼間干擾的基帶傳輸特性及atsc - vsb的特點，提出了hdtv中位同步的實現方案。
  18. The thesis deals with the algorithm of synchronization and its asic ( application specific integrated circuit ) implementation. the synchronization is used in the vsb receiver of hdtv terrestrial broadcasting transmission system

    本文所研究的正是hdtv地面廣播系統vsb方案接收機中同步的演算法及其在專用集成電路晶元（ asic ）上的實現。
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