sdtv 中文意思是什麼
sdtv
解釋
標準電視格式-
Hdtv sdtv sync generator
Hdtv sdtv同步訊號產生器 -
The main purpose of this paper is to research and implement of the channel decoder ’ s hardware of sdtv set top box
本課題是基於st公司的標準清晰度數字電視通道解碼器方案而實現的，採用了該公司的全數字單片qam解調器stv0297 。 -
As the technology and application of dvb and hdtv developing, mpeg2 are used in more and more broad fields. but the lack of programs is still the key difficulty which hdtv and sdtv are facing
節目源缺乏是開播標準清晰度電視（ sdtv ）和高清晰度電視面臨的一個主要困難，也是dvb 、視頻點播（ vod ）等系統取得成功的重要因素。 -
Sdtv standard definition television
標準清晰度電視 -
Standard definition tv sdtv
標準清晰度電視 -
We believe that the most effective way to encourage rapid adoption of dtt in hong kong would be through hdtv and other value - added enhanced tv services, and not merely more standard definition television ( sdtv ) services
我們相信加快公眾接受數碼電視的誘因是高清晰度電視及其他多功能服務而不是多量的標準數碼電視服務。 -
The task is based on st ’ s sdtv channel decoder solution with a highly integrated single - chip fully digital qam demodulation stv0297. chapter 1 introduced the interrelated background of this item ; chapter 2 introduced the coding and decoding theory about channel ; chapter 3 described the hardware structure, the function, the realizing principle and the method of the pcb design ; the scheme and flow chart of software design are also described in detail in chapter 4 ; chapter 5 described the testing and analyzed the result ; at last, chapter 6 presented the summing - up of this dissertation
第一章介紹了本項目的相關背景知識;第二章簡單描述了通道編解碼原理;第三章系統地介紹了標準清晰度數字電視機頂盒通道解碼器的硬體構成、功能和實現原理，並介紹了電路板的設計方法;第四章對通道解碼的軟體設計方案和實現流程也做了比較詳細的闡述;第五章給出了測試結果並對其進行了分析;第六章對本論文進行了總結。 -
Standard - definition television sdtv
標準電視格式 -
In this dissertation, the transcoding from hdtv to sdtv based on the background of dtv was discussed. first, the standards of mpeg - 2 and h. 264 were introduced and compared
文中首先對mpeg - 2和h . 264標準做了簡要介紹，並對它們的差異進行了比較。 -
This paper studies the architectures and key algorithms of the transcoding from hdtv to sdtv in the dct domain. the key algorithms includes : motion vector mapping, picture downsizing in dct domain, motion compensation in dct domain and rate control
本文研究了dct域hdtv至sdtv轉碼的架構和關鍵演算法。其中，關鍵演算法包括:運動矢量映射演算法、 dct域圖像下采樣演算法、 dct域運動補償演算法、碼率控制演算法。
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