单词 | coma lobe |
释义 | coma lobe [`kō·mǝ ´lōb] ELECTROMAGNETISM Side lobe that occurs in the radiation pattern of a microwave antenna when the reflector alone is tilted back and forth to sweep the beam through space because the feed is no longer always at the center of the reflector; used to eliminate the need for a rotary joint in the feed waveguide. |
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