数字电视(外文翻译).doc

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数字电视(外文翻译),本文为毕业设计(论文)翻译资料,包括英文原文和完整中文翻译。摘要:数字图象编码 hdtv高清晰度数字电视matlabhigh-definition tv despite a slow start by the united states in the race to make television ...
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数字电视(外文翻译)


本文为毕业设计(论文)翻译资料,包括英文原文和完整中文翻译。

摘要:数字图象编码 HDTV 高清晰度数字电视 Matlab



High-Definition TV
Despite a slow start by the United States in the race to make television sets with razor-sharp pictures, a growing number of scientists and engineers say there is hope for a comeback.
Some even believe conditions are ripe for the United States to vault over the international competition in a field seen as vital to economic success in the 1990s and beyond..
“We’ve got a tremendous opportunity to leapfrog limited technology and really develop a television of the future.”said W.Russell. Neuman,a director of communication research at the media 1abotatory of the Massachusetts Institute of Technology.
Experts say the main reason for hope is that the Japanese and Europeans, with an early lead, may be locked into a technology that could become antiquated. That technology is based on analog signals ,which mimic the secretes and sounds observed by a camera and render these as continuous e1ectronic waves ......



高清晰度电视
尽管美同在制造具有逼真图象的电视机角逐中起步缓慢,但越来越多的科学家和工程师认为美国有希望卷土重来。
有些人甚至认为,在这一被视为对90年代和90年代以后的经济成功至关重要的领域内,美国跃居国际克争前列的条件业已成熟。
马萨诸塞理工学院媒介研究所通讯研究部主仟组曼说,“我们具有极好机会,跳越技术的限制,真正研制出未来的电视。”
专家们认为,之所以有希望,其主要理由是“
日本人和欧洲人早期虽居领先地位.也许会被可能变得老化的技术拖住后脚,该技术是以模拟信号为基础的,由摄像机模拟观测到的景物与声响并将其变为连续的电子波......