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天线家族之八木天线
2013-5-3 21:46
今日头条
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- The Yagi-Uda antenna or Yagi Antenna is one of the most brilliant antenna designs. It is simple to construct and has a high gain, typically greater than 10 dB. ...
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天线家族之螺旋天线
2013-5-3 21:39
今日头条
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- Helix antennas (also commonly called helical antennas) have a very distinctive shape, as can be seen in the following picture.
Photo of the Helix Antenna court ...
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天线家族之抛物面天线3
2013-5-3 21:35
今日头条
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- In this section, the 3d radiation patterns are presented to give an idea of what they look like. This example will be for a parabolic dish reflector with the di ...
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天线家族之抛物面天线2
2013-5-3 21:31
今日头条
219
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- The fields across the aperture of the parabolic reflector is responsible for this antenna's radiation. The maximum possible gain of the antenna can be expressed ...
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天线家族之抛物面天线1
2013-5-3 21:22
今日头条
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- The most well-known reflector antenna is the parabolic reflector antenna, commonly known as a satellite dish antenna. Examples of this dish antenna are shown in ...
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天线家族之角反射天线
2013-5-3 21:13
今日头条
267
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- To increase the directivity of an antenna, a fairly intuitive solution is to use a reflector. For example, if we start with a wire antenna (lets say a half-wave ...
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天线家族之PIFA天线
2013-5-3 21:05
今日头条
471
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- Antenna designers are always looking for creative ways to improve performance. One method used in patch antenna design is to introduce shorting pins (from the p ...
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天线家族之微带天线瞬态场
2013-5-3 20:41
今日头条
261
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- On this page, I will present a movie showing the fields under a microstrip antenna. In this numerical experiment, a short pulse will be launched from the end of ...
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天线家族之微带天线设计参数权衡
2013-5-3 20:39
今日头条
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- All of the parameters in a rectangular patch antenna design (L, W, h, permittivity) control the properties of the antenna. As such, this page gives a general id ...
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天线家族之微带天线馈电方法
2013-5-3 20:35
今日头条
284
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- Inset Feed
Previously, the patch antenna was fed at the end as shown here. Since this typically yields a high input impedance, we would like to modify the feed ...
