File:Efecto spillover 4.png
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Summary
| Description |
English: Illustration of the effect of feed antenna gain on the "spillover" in a parabolic antenna. Spillover is the radiation from the feed antenna that falls outside the edge of the parabolic dish and is wasted. In the illustrations, the spheroid shape is the radiation pattern of the feed antenna, which is at its center. Only the radiation within the angle subtended by the dish, the shaded sector, is reflected by the dish and contributes to the main beam. The three drawings illustrate the effect of progressively higher gain feed antennas. As gain increases, less of the feed's energy is emitted at large angles to the axis, so there is less spillover.
Español: Efecto spillover |
| Source | upv |
| Author | upv |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:02, 31 October 2009 | | 322 × 129 (50 KB) | Cvalecue | {{Information |Description={{en|1=Efecto spillover}} {{es|1=Efecto spillover}} |Source=upv |Author=upv |Date= |Permission= |other_versions= }} |
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