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单词 LPDA
释义

LPDA

英语百科

Log-periodic antenna

(重定向自LPDA)
Log-periodic antenna, 400–4000 MHz
Log-periodic antenna, 250–2400 MHzLog periodic mounted for vertical polarization, covers 140-470 MHzLP television antenna 1963. Covers 54-88 MHz and 174-218 MHz. Slanted elements were used because on the upper band they operate at the 3rd harmonic.Wire Log-periodic monopole antenna.

A log-periodic antenna (LP), also known as a log-periodic array or log-periodic aerial, is a multi-element, directional, antenna designed to operate over a wide band of frequencies. It was invented by Dwight Isbell and Raymond DuHamel at the University of Illinois in 1958.

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