directivity index 中文意思是什麼

directivity index 解釋
定向系數
  • directivity : 定向功能
  • index : n (pl es dices )1 索引。2 指標,標準,標志。3 示[食]指 (=index finger)。4 指數。5 【印刷】指...
  1. The al - di ( articulation index weighted - directivity index ), which is a measure for the improvement of the signal - to - noise ratio, is increased by about 30 percent for the trimictm technology. this corresponds to an improvement in speech intelligibility of up to 30 %

    研究亦顯示,在吵雜環境中,即語音與噪音的比率較差時,方向性麥克風對聽障者尤其有效,言語理解能力可提升至30 % ,使聽障者更容易與人交談。
  2. Directivity index of microphone

    傳聲器指向性指數
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