<?xml version="1.0" encoding="gb2312"?>
<rss version="2.0">
<channel>
<title>天线</title>
<link>/device-tech/antenna/index.html</link>
<description>设备·技术 / 天线</description>
<language>zh-cn</language>
<generator>&lt;a href='http://www.hamyou.com' target='_blank'&gt;Power by HAM友网&lt;/a&gt;</generator>
<webmaster>omsk@tom.com</webmaster>
<item>
    <title>50兆自制八木天线</title>
    <link>/device-tech/antenna/20070817176.html</link>
    <description>国内业余50兆频段开发的频率为50-54MHz，BH7JEG于是设想做一支52MHz的八木天线用于该频段。</description>
    <pubDate>2007-08-17</pubDate>
    <category>天线</category>
    <author>BH7JEG</author>
    <comments>本站</comments>
</item>
<item>
    <title>科比达天线列表</title>
    <link>/device-tech/antenna/20070722119.html</link>
    <description>科比达天线厂是一家专业从事通讯天线研制,生产,销售,服务企业.位于佛山市三水区。</description>
    <pubDate>2007-07-22</pubDate>
    <category>天线</category>
    <author>Te</author>
    <comments>本站</comments>
</item>
<item>
    <title>卫星天线-北方电子的产品介绍</title>
    <link>/device-tech/antenna/2007060791.html</link>
    <description>C波段板状卫星天线
C波段网状卫星天线
KU波段卫星天线
卫视器材
卫星接收机</description>
    <pubDate>2007-06-07</pubDate>
    <category>天线</category>
    <author>Te</author>
    <comments>本站</comments>
</item>
<item>
    <title>435MHz八木天线阵列制作过程</title>
    <link>/device-tech/antenna/2007032062.html</link>
    <description>再增加引向振子提高增益会使天线有效果角度更小而且增益提高不多，于是想到了使用天线阵列的方法来提高效果，另外也可以为下一步接收AMSAT卫星中继做准备。</description>
    <pubDate>2007-03-20</pubDate>
    <category>天线</category>
    <author>桃园</author>
    <comments>本站</comments>
</item>
<item>
    <title>钻石SX-400驻波和功率表</title>
    <link>/device-tech/antenna/2007031158.html</link>
    <description>型号 SX-400
频率范围 140-525 MHz</description>
    <pubDate>2007-03-11</pubDate>
    <category>天线</category>
    <author>Te</author>
    <comments>本站</comments>
</item>
<item>
    <title>自适应天线[Adaptive Antenna]</title>
    <link>/device-tech/antenna/2007030953.html</link>
    <description>能够适应任务需要、信号环境和空间条件的快速随机变化，实时自动实现性能最优化的天线。</description>
    <pubDate>2007-03-09</pubDate>
    <category>天线</category>
    <author>石镇</author>
    <comments>HAM友网 - 业余无线电</comments>
</item>
<item>
    <title>有源天线[Active Antenna]</title>
    <link>/device-tech/antenna/2007030952.html</link>
    <description>只含金属和介质的一般天线中如果还含有晶体三极管、隧道二极管、变容二极管等有源器件，就成为有源天线。</description>
    <pubDate>2007-03-09</pubDate>
    <category>天线</category>
    <author>周良民　石镇</author>
    <comments>HAM友网 - 业余无线电</comments>
</item>
<item>
    <title>时域天线[Time Domain Antenna]</title>
    <link>/device-tech/antenna/2007030951.html</link>
    <description>工作于冲击或脉冲状态的天线。</description>
    <pubDate>2007-03-09</pubDate>
    <category>天线</category>
    <author>秩名</author>
    <comments>整理</comments>
</item>
<item>
    <title>阵列天线[Antenna Array]</title>
    <link>/device-tech/antenna/2007030950.html</link>
    <description>由许多相同的单个天线（如八木天线）按一定规律排列组成的天线系统，称为天线阵。</description>
    <pubDate>2007-03-09</pubDate>
    <category>天线</category>
    <author>Te</author>
    <comments>本站</comments>
</item>
<item>
    <title>八木天线的巴仑是这样做出来的</title>
    <link>/device-tech/antenna/2007030348.html</link>
    <description>近来制作了不少折合振子八木天线，现在在这里把天线的巴仑拆解一下，以供应各位HAM友参考。</description>
    <pubDate>2007-03-03</pubDate>
    <category>天线</category>
    <author>秩名</author>
    <comments>本站</comments>
</item>
<item>
    <title>什么是功分器</title>
    <link>/device-tech/antenna/2007030347.html</link>
    <description>功分器全称功率分配器，是一种将一路输入信号能量分成两路或多路输出相等或不相等能量的器件</description>
    <pubDate>2007-03-03</pubDate>
    <category>天线</category>
    <author>Te</author>
    <comments>本站</comments>
</item>
<item>
    <title>自制FM八木天线接收调频广播的情况</title>
    <link>/device-tech/radio/200612045.html</link>
    <description>  我在本坛潜水多年，受众大虾毒害甚深</description>
    <pubDate>2006-12-04</pubDate>
    <category>电台</category>
    <author>秩名</author>
    <comments>HAM友网 - 业余无线电</comments>
</item>

</channel>
</rss>
