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	<title>骆驼调频 &#187; 天线</title>
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		<title>FM DX 天线知识</title>
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		<pubDate>Tue, 21 Apr 2009 17:26:35 +0000</pubDate>
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		<description><![CDATA[天线是FM DX的耳朵，微弱的电波从天线经过馈线进入接收机，才能让我们听到远方电台的声音。一个接收系统的好坏，天线占了一半。我们希望天线能有高的增益，把微弱的信号变得响亮，我们... ]]></description>
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		<title>天线名词解释</title>
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		<dc:creator>骆驼</dc:creator>
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		<description><![CDATA[【天线及天线程式】天线是在无线电收发系统中，向空间辐射或从空间接收电磁波的装置。是无线电通信系统中必不可少的部分。由于各种设备要求采用的波段不同，天线的设计也就不同，不... ]]></description>
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		<title>J型天线的制作</title>
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		<pubDate>Thu, 24 Jul 2008 07:00:02 +0000</pubDate>
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		<description><![CDATA[J型天线因制作简单，取材容易，一直受我们调频发射机爱好者青莱，制作时选用1MM左右的空调铜管，按照计算的尺寸制作无需专业工具制作就能获很好的效果。如买不到铜管，亦好用2.5平方的... ]]></description>
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