“half-power beamwidth”的概念、定义、翻译、参考文献-科学参考

单词	half-power beamwidth
释义	half-power beamwidth [`haf ¦pau̇·ǝr `bēm´width] ^{ELECTROMAGNETISM} The angle across the main lobe of an antenna pattern between the two directions at which the antenna's sensitivity is half its maximum value at the center of the lobe. Abbreviated HPBW.
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