“antenna effective area”的概念、定义、翻译、参考文献-科学参考

单词	antenna effective area
释义	antenna effective area [an`ten·ǝ i`fek·tiv `er·ē·ǝ] ^{ELECTROMAGNETISM} In any specified direction, the square of the wavelength multiplied by the power gain (or directive gain) in that direction, and divided by 4π.
随便看	border-punched card Bordetella Bordini effect bore boreal boreal forest Boreal life zone bore axis bore diameter bore evacuation bore evacuator bore expansion borehole borehole bit borehole logging borehole mining borehole survey Borel measurable function Borel measure Borel set Borel sigma algebra bore premature borer bore riding pin borescope

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