单词 | equiangular spiral antenna |
释义 | equiangular spiral antenna [¦ē·kwē¦aŋ·gyǝ·lǝr ¦spī·rǝl an`ten·ǝ] ELECTROMAGNETISM A frequency-independent broad- band antenna, cut from sheet metal, that radiates a very broad, circularly polarized beam on both sides of its surface; this bidirectional radiation pattern is its chief limitation. |
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