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单词 folded-dipole antenna
释义 folded-dipole antenna
[¦fōld·ǝd `dī´pōl an`ten·ǝ]
ELECTROMAGNETISM
A dipole antenna whose outer ends are folded back and joined together at the center; the impedance is about 300 ohms, as compared to 70 ohms for a single-wire dipole; widely used with television and frequency-modulation receivers. Also known as folded dipole.
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