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  <LI>楼主的文章确实不错:D 
  <LI style="PADDING-RIGHT: 10px; TEXT-ALIGN: right">- cocappjj - </LI></UL></DIV>
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<DIV class=title>&nbsp;<IMG height=13 src="zbcaich's Blog.files/sider_links.gif" 
width=13 align=absMiddle border=0> 友情链接 </DIV>
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<DIV class=title>&nbsp;<IMG height=13 src="zbcaich's Blog.files/liuyan.gif" 
width=13 align=absMiddle border=0> 相册 </DIV>
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日志信息 </DIV>
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  <LI>日志总数:6 
  <LI>评论数量:3 
  <LI>访问次数:3247 </LI></UL></DIV>
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<DIV class=article_title><A 
href="http://blog.ednchina.com/zbcaich/38970/message.aspx">又返故里 </A></DIV>
<DIV class=article_info>发表于 2007-8-2 15:25:13 </DIV>
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<P>　　有1个月没来了，是回了一趟重庆。</P>
<P>　　重庆划为特区的事好像并没有我想像中的那样令本地人激动不已，这有点令人失望！唯一舒心的是家中比这边要凉快多了。</P>
<P>　　今后会常来，也欢迎大家常来！</P></DIV>
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阅读全文(412) | 回复(0) </DIV></DIV></DIV></DIV>
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<DIV class=article_title><A 
href="http://blog.ednchina.com/zbcaich/33989/message.aspx">汽车刹车系统的自检 </A></DIV>
<DIV class=article_info>发表于 2007-6-26 22:39:25 </DIV>
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<P>　　昨天电视新闻报到台湾的一辆旅游车由于刹车失灵面导致的车祸事故，在脑中就有一股强烈的欲望：做个汽车刹车系统的自检方案，以尽可能地减少此类事故的发生。</P>
<P>　　经过2个小时的构思，这个自检方案就初具雏形了。</P>
<P>　　准备将这个自检与汽车的防盗报警器融合。也能与汽车生产厂合作，在汽车原来的电子系统内加上这种刹车系统自检动作，以便作进一步的控制，比如有必要在刹车系统出故障后对汽车进行限速。</P>
<P>　　自检流程：启动汽车前先踩下刹车板→如果刹车系统没问题，就可以顺利启动→如果刹车系统有问题，就发出语音提示：“刹车系统出故障，请及时维修！”</P>
<P>　　还在概念中，抽空时间来完善它。</P>
<P>　　欢迎有兴趣的一起探讨！</P></DIV>
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<DIV class=article_title><A 
href="http://blog.ednchina.com/zbcaich/33332/message.aspx">无线遥控的曼彻斯特编码的接收(续) 
</A></DIV>
<DIV class=article_info>发表于 2007-6-22 11:07:23 </DIV>
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">补充：编程思想</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN 
lang=EN-US><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">总的指导思想：利用中断来为数据的高低电平计数。</SPAN></P>
<P class=MsoNormal 
style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt"><SPAN 
lang=EN-US style="mso-fareast-font-family: 'Times New Roman'"><SPAN 
style="mso-list: Ignore">1<SPAN 
style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN></SPAN></SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">计时中断的时间是</SPAN><SPAN 
lang=EN-US>270us</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。我的脉冲宽度为</SPAN><SPAN 
lang=EN-US>300us</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，则在一个高（低）电平中能且只能产生一次计时中断，即计数</SPAN><SPAN 
lang=EN-US>1</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">次。</SPAN><SPAN 
lang=EN-US>Rfcount</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">等于</SPAN><SPAN 
lang=EN-US>1</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</SPAN></P>
<P class=MsoNormal 
style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt"><SPAN 
lang=EN-US style="mso-fareast-font-family: 'Times New Roman'"><SPAN 
style="mso-list: Ignore">2<SPAN 
style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN></SPAN></SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">如果</SPAN><SPAN 
lang=EN-US>2</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">个数据不同时，就会出现</SPAN><SPAN 
lang=EN-US>2</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">个连续的高电平或低电平，即</SPAN><SPAN 
lang=EN-US>600us</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的高电平或低电平。但在这</SPAN><SPAN 
lang=EN-US>600us</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">中能且只能产生</SPAN><SPAN 
lang=EN-US>2</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">次计时中断，即计数</SPAN><SPAN 
lang=EN-US>2</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">次。</SPAN><SPAN 
lang=EN-US>Rfcount</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">等于</SPAN><SPAN 
lang=EN-US>2</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</SPAN></P>
<P class=MsoNormal 
style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt"><SPAN 
lang=EN-US style="mso-fareast-font-family: 'Times New Roman'"><SPAN 
style="mso-list: Ignore">3<SPAN 
style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN></SPAN></SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">理论上如果中断时间是</SPAN><SPAN 
lang=EN-US>270us</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">时，可以对脉冲宽度为</SPAN><SPAN 
lang=EN-US>271</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">－</SPAN><SPAN 
lang=EN-US>404us</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的数据作出正确接收。因为只要能保证</SPAN><SPAN 
lang=EN-US>1</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">个电平宽度大于</SPAN><SPAN 
lang=EN-US>1</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">个中断时间和</SPAN><SPAN 
lang=EN-US>2</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">个连续的电平宽度小于</SPAN><SPAN 
lang=EN-US>3</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">个中断时间（</SPAN><SPAN 
lang=EN-US>3*270</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">＝</SPAN><SPAN 
lang=EN-US>810us</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）时即可。</SPAN></P>
<P class=MsoNormal 
style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt"><SPAN 
lang=EN-US style="mso-fareast-font-family: 'Times New Roman'"><SPAN 
style="mso-list: Ignore">4<SPAN
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