sound decay 中文意思是什麼

sound decay 解釋
聲音消衰
  • sound : adj 1 健全的；強壯的，正常的；完好的，無疵的，沒有腐爛的（船、牙齒等）。2 正確的；正當的，合法的...
  • decay : vi. 1. 朽，腐爛。2. 衰減，衰退。3. 凋謝，枯。vt. 使朽壞；使衰退。n. 1. 衰微，衰退。2. 朽，腐爛。3. 【無線電】衰變。
  1. Standard test method for determination of decay rates for use in sound insulation test methods

    隔聲試驗方法中衰減率測定的標準試驗方法
  2. One of the interesting properties of infra - sound is that it can travel a long distance in the air without much decay. this enables continuous monitoring of the atmosphere on a large scale. when combined with other remote sensing data, it can provide additional information regarding the atmospheric structure

    次聲波的特點是衰減小，可作長距離傳播，因此能夠對大氣進行大范圍連續不斷的監察，當結合其他的遙感資料一起使用，更可提供額外的關于大氣結構的數據。
  3. Were used for this study. durations of tone and weak white noise bursts used as sound stimuli were both 40 ms ( 2 - ms rise - decay times ), and delivered synchronally at 2 per second in free field. 177 neurons were obtained in this experiment, and frequency tuning curves ( ftcs ) of 76 ic neurons were measured in our study

    本實驗共用12隻健康、聽力正常的成年小鼠，雌雄不拘，共獲得177個神經元，測量了76個神經元的頻率調諧曲線（ frequencytuningcurve ， ftc ） ，發現弱噪聲對神經元ftc的影響有三種類型：銳化、拓寬和基本不受影響。
  4. The sound speed profile is another important factor, the bigger sound speed gradient, the faster reverberation intensity decay and the other factor to the reverberation intensity decaying is sea floor inclination, the greater the slope angle, the slower reverberation intensity decav

    其次，對混響強度影響的第二大因素是聲速梯度，聲速梯度越大，混響強度衰減越快。第三，海底傾斜角也會影響海洋混響的衰減，海底傾斜角越大，混響平均強度衰減越慢。
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