Glossary entry

English term or phrase:

front porch

Chinese translation:

前沿

Jun 9, 2010 22:54
13 yrs ago
English term

front porch

GBK English to Chinese Tech/Engineering Telecom(munications)
Definition from Wikipedia:
In television broadcasting, the front porch is a brief (about 1.5 microsecond) period inserted between the end of each transmitted line of picture and the leading edge of the next line sync pulse.
Example sentences:
The signal for a single horizontal video line consists of a horizontal sync signal, back porch, active pixel region, and front porch. (National Instruments)
...a vestige of said overshoot noise remains in said output of the clipping circuit means to cancel said curved characteristic and provide the reconstituted video signal from said mixing means with a flat characteristic at said front porch. (Free Patents Online)
Apparatus according to claim 8 wherein the front porch has a voltage level substantially equal to that of the vertical synchronization pulse. (PatentDocs)
Proposed translations (Chinese)
4 +2 前沿
Change log

Jun 9, 2010 22:50: changed "Kudoz queue" from "In queue" to "Public"

Jun 9, 2010 22:54: changed "Stage" from "Preparation" to "Submission"

Jun 12, 2010 22:54: changed "Stage" from "Submission" to "Selection"

Jun 19, 2010 23:54:

Jul 9, 2010 23:54:

Aug 8, 2010 23:54:

Nov 23, 2010 22:54: changed "Stage" from "Selection" to "Completion"

Proposed translations

+2
3 hrs
Selected

前沿

在电视广播中,前沿是指电视图像的每条传输线末尾和下一条线性脉冲之导边之间的短暂时间段,一般持续约 1.5 微秒。<br /><br />什么叫脉冲前沿?<br /><br />回答 共 2 条就是低电平变到高电平的那一刻,由0到1 <br />回答者: 孇翼_兰 - 圣法师 十四级 发消息 加为好友 10-01 21:18<br />就是脉冲由零到一的那一瞬间,我学过一些数字电路加我哦1101812311 <br />回答者: 二月215 - 圣法师 十四级 发消息 加为好友 10-01 21:18
Example sentences:
Horizontal Front Porch(水平前沿) 这个参数定义了位于活动视频的末尾和 ... 请注意:更改后沿(Back Porch)值同时会更改前沿(front porch)值。 ... (http://www.jd-bbs.com)
Front porch:前沿1. Sync width:同步宽度3. Back porch: 后沿35 电视不支持的分辨率和刷新率模式本身就证明在这样的模式下使用该电视是不安全 ... (http://www.mysilu.com)
液晶之家请教LCD有front Porch,跟back Porch两个信号,的作用是?只见到汉语翻译,见不到详细的解释客户只给了前沿的参数,说能计算出后沿宽度, ... (http://www.fpdclub.net)
Peer comment(s):

agree Sihua Yang : Yes!That's the right answer
163 days
Thank you, Sihua!
agree ILT
166 days
Thank you, ILT!
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4 KudoZ points awarded for this answer.
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