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unidirectional log-periodic antenna |
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unidirectional log-periodic antenna [¦yü·nə·də′rek·shən·əl ′läg ‚pir·ē′äd·ik an′ten·ə] (electromagnetism) A broad-band antenna in which the cut-out portions of a log-periodic antenna are mounted at an angle to each other, to give a unidirectional radiation pattern in which the major radiation is in the backward direction, off the apex of the antenna; impedance is essentially constant for all frequencies, as is the radiation pattern. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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