directivity是什么意思

directivity

美[dɪrek'tɪvɪtɪ]  英[dɪrek'tɪvɪtɪ]
n.  方向性
  近义词:directiveness,directionality,

英英释义

Noun
  1. the property of a microphone or antenna of being more sensitive in one direction than in another;

    "the antenna received signals with no directivity"

  2. the quality of being directive

例句

用作名词(n.)
  1. The antenna received signals with no directivity.那种天线可接受没有方向性的信号。
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