单词 | quarter-wave termination |
释义 | quarter-wave termination [`kwȯrd·ǝr ´wāv tǝr·mǝ`nā·shǝn] ELECTROMAGNETISM Metal plate and a wire grating spaced about one-fourth of a wavelength apart in a waveguide, with the plate serving as the termination of the guide; waves reflected from the metal plate are canceled by waves reflected from the grating so that all energy is absorbed (none is reflected) by the quarter-wave termination. |
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