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 <title><![CDATA[两根线为什么可以既作为电源线又作为信号 ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571.html]]></link>
 <description><![CDATA[Latest 50 replies of 两根线为什么可以既作为电源线又作为信号 ..]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Sat, 04 Apr 2026 00:47:13 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电力线载波通信技术，用这个关键词搜索，
涉及的内容是通信和电子方面的，与工控的关系不大，更深的内容涉及到数字信号处理，与工控更是不同的领域]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1233070.html]]></link>
 <author><![CDATA[zhangli019]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 23 Mar 2012 12:37:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我的想法和9楼一样。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1233047.html]]></link>
 <author><![CDATA[工控学习]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 23 Mar 2012 12:10:23 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[就是电力猫]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1233028.html]]></link>
 <author><![CDATA[lizhiliang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 23 Mar 2012 11:40:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电力线路由器是啥玩意呢？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1233009.html]]></link>
 <author><![CDATA[jiangx]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 23 Mar 2012 11:20:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1233004.html]]></link>
 <author><![CDATA[yye]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 23 Mar 2012 11:14:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1232984.html]]></link>
 <author><![CDATA[奋斗人生]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 23 Mar 2012 10:33:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[载波通信时一种模拟电子电路，而不是数字通信。信号发送端把信号波形加载到电源线路上，信号接收端再把信号从电源线上分离出来。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1232930.html]]></link>
 <author><![CDATA[格林]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 23 Mar 2012 08:32:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这个还是比较简单的，学过无线电的都知道。特别是直流电路，只要用个电容就能分离载波，再进行处理就完成控制信号分离。所以《两根线为什么可以既作为电源线又作为信号传输用》并不奇怪。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1232866.html]]></link>
 <author><![CDATA[wanghuhong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 23 Mar 2012 06:06:01 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[可以参考下AS-i总线介绍&nbsp;&nbsp;关键的原因在于它的电源与众不同~]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1232846.html]]></link>
 <author><![CDATA[ningchao1]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 23 Mar 2012 05:21:38 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[赞同7楼的说法，控制器可以有源输出]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1232820.html]]></link>
 <author><![CDATA[328057984]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 23 Mar 2012 04:45:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[频分复用]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1232812.html]]></link>
 <author><![CDATA[六月半夏]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 23 Mar 2012 04:33:44 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[利用分址技术就可以实现]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1171839.html]]></link>
 <author><![CDATA[niujunpeng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 26 Nov 2011 03:26:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有点象调制解调器，是不是？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1171831.html]]></link>
 <author><![CDATA[yzzsjc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 26 Nov 2011 03:21:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是用载波通信来完成的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1171805.html]]></link>
 <author><![CDATA[liuhanqi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 26 Nov 2011 02:27:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有没有清楚的，解释一下？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1171384.html]]></link>
 <author><![CDATA[lilindong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 25 Nov 2011 06:48:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[其实这种功能早就有了，不必大惊小怪。比例家电里面电视机，录音机，天线，电话等等。都有这个功能 。多看一下电子电路书就知道了。 [s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1171300.html]]></link>
 <author><![CDATA[kissko]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 25 Nov 2011 04:56:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[载波知道吗？就是将信号波叠加在电源上，同时传输，负载能够自动识别信息与电源。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1171299.html]]></link>
 <author><![CDATA[新闻联播]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 25 Nov 2011 04:56:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[应该和电话线有点像似，终端应该有原件把它们分开，互不干扰。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1171291.html]]></link>
 <author><![CDATA[yuan0971]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 25 Nov 2011 04:34:23 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[设备里有个数模转换器，能过八进制转换后就成数字信号了，当然可以当控制线]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1171278.html]]></link>
 <author><![CDATA[清风小河]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 25 Nov 2011 04:18:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1171047.html]]></link>
 <author><![CDATA[精心设计]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 24 Nov 2011 13:35:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[为什么我恢复帖子也是没人理我呢，大家告诉我该怎么办啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1164722.html]]></link>
 <author><![CDATA[gaohongjin52]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 15 Nov 2011 06:27:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1164302.html]]></link>
 <author><![CDATA[ccy5156]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Nov 2011 14:02:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电压是不变的 传送信号的是电流&nbsp;&nbsp;比如&nbsp;&nbsp;4- 2O MA&nbsp;&nbsp;&nbsp;&nbsp;不知到我说的是否多于&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;了解更多的信息&nbsp;&nbsp;请加电器交流群&nbsp;&nbsp;91460124]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1164276.html]]></link>
 <author><![CDATA[付玉明]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Nov 2011 13:37:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这个其实可以实现的，电子技术的载波技术再叠加在电源上就能实现]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1164254.html]]></link>
 <author><![CDATA[huangyue]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Nov 2011 13:18:03 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习了&nbsp;&nbsp;&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1164247.html]]></link>
 <author><![CDATA[不再头疼]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Nov 2011 13:12:41 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习学习。。。。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1164167.html]]></link>
 <author><![CDATA[zhumen]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Nov 2011 12:09:59 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1164158.html]]></link>
 <author><![CDATA[wangyangde]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Nov 2011 11:56:29 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1163990.html]]></link>
 <author><![CDATA[lichenhui333]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Nov 2011 08:30:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[载波通信啊，两种信号用不一样的信号传输啊！USB的线不就是这样的吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1163843.html]]></link>
 <author><![CDATA[aoouang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Nov 2011 04:47:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[一個當電壓準位一個控制高準位或低準位.
就這樣送出0101010101111的信號了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-126571#1163824.html]]></link>
 <author><![CDATA[momo0720]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Nov 2011 04:17:17 +0000]]></pubdate>
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