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	<title>专注福禄克测试仪销售与技术 &#187; 插入损耗，福禄克dtx-1800</title>
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		<title>DTX-1800测试五类六类线的插入损耗</title>
		<link>http://www.faxytech.com/archives/dtx-1800-429.html</link>
		<comments>http://www.faxytech.com/archives/dtx-1800-429.html#comments</comments>
		<pubDate>Fri, 29 Apr 2011 15:31:38 +0000</pubDate>
		<dc:creator>深圳连讯</dc:creator>
				<category><![CDATA[技术专栏]]></category>
		<category><![CDATA[dtx-1800]]></category>
		<category><![CDATA[插入损耗，福禄克dtx-1800]]></category>

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		<description><![CDATA[??????? DTX-1800测试五类六类线的插入损耗 插入损耗：在传输系统中由插入网络引起的损耗，以插入网络之前馈送到接在网络之后的那部分系统的功率与插入网络之后馈送到该系统同一部分的功率... ]]></description>
			<content:encoded><![CDATA[<p><strong>???????<a href="http://www.faxytech.com/archives/dtx-1800.html"> DTX-1800</a>测试五类六类线的<span class='wp_keywordlink'><a href="http://www.faxytech.com/archives/insertion-loss.html" title="插入损耗">插入损耗</a></span></strong></p>
<p>插入损耗：在传输系统中由插入网络引起的损耗，以插入网络之前馈送到接在网络之后的那部分系统的功率与插入网络之后馈送到该系统同一部分的功率之比表示。</p>
<p>注：插入损耗通常以分贝表示。</p>
<p>插入损耗是个很关键的参数，它往往反映线缆的质量，<span class='wp_keywordlink'><a href="http://www.faxytech.com/archives/dtx-1800.html" title="福禄克FLUKE DTX-1800">DTX-1800</a></span>在测试五类六类线时也是要测量插入损耗，在专业领域也叫<span class='wp_keywordlink'><a href="http://www.faxytech.com/archives/insertion-loss.html" title="衰减">衰减</a></span>。</p>
<p>???? <strong><a title="福禄克dtx-1800" href="http://www.faxytech.com/archives/dtx-1800.html">DTX-1800</a>插入损耗应用</strong></p>
<p>? 为什么在测试的时候插入损耗通不过？</p>
<p>答：长度过长，<span class='wp_keywordlink'><a href="http://www.faxytech.com/products/testers/temp" title="温度测试">温度</a></span>过高或高频环境下。</p>
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