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远距离接收电视广播,往往需要高增益接收天线。而高增益天线在匹配等方面又是很复杂的。这里介绍一种增益比较高,匹配又很简单的电视接收天线——多层天线。原文不仅介绍了这种天线的制作、馈电方法和一些必要的数据,同时,还介绍了这种天线的有关技术特性。编译时,我们更改了原文标题,补充了天线的工作原理,还按照我国频道情况,换算了天线尺寸,供读者使用时参考。
Receiving television broadcasts over long distances often requires high-gain receive antennas. The high gain antenna in the match, etc. is very complicated. Here is a high gain, matching and very simple TV receiving antenna - multi-layer antenna. The original article not only describes the production of this antenna, feeding methods and some of the necessary data, but also describes the technical characteristics of this antenna. At compile time, we changed the title of the original text to supplement the working principle of the antenna, and also converted the antenna size according to the channel conditions of our country for reference when the reader is using it.