acoustic performance 中文意思是什麼

acoustic performance 解釋
聲學性能
  • acoustic : adj. 1. 聽覺的；聲學的。2. 助聽的；傳音的。3. 原聲的，不經過電子設備傳聲的。adv. -tically 在聽覺上；在聲學上。
  • performance : n. 1. 執行，實行，履行；完成；實現；償還。2. 行為，動作，行動；工作。3. 性能；特性。4. 功績；成績。5. 演奏；彈奏；演出；（馴獸等的）表演；把戲。6. 【物理學】演績。
  1. Acoustic performance of sgrp composite and structure

    高強玻璃纖維增強乙烯基酯復合材料及其構件的聲性能研究
  2. The simulation method is proved to be correct and calculation of acoustic performance of muffler by ansys fe analysis software is also proved to be practical and expedient

    本文的研究內容，概括了消聲器理論、有限元理論與計算、 ansys軟體應用、雙傳聲隨機激勵技術等。
  3. Road traffic noise reducing devices - test method for determining the acoustic performance - intrinsic characteristics - in situ values of sound reflection and airborne sound insulation

    道路交通降噪設備.聲學性能測定的試驗方法.固有的特徵.聲音反射和空氣載聲隔絕的原地測定值
  4. Road traffic noise reducing devices - test method for determining the acoustic performance - part 3 : normalised traffic noise spectrum ; german version en 1793 - 3 : 1997

    道路交通降噪設備.測定聲音特性的試驗方法.第3部分
  5. Road traffic noise reducing devices - test method for determining the acoustic performance - part 4 : intrinsic characteristics - in - situ values of sound diffraction ; german version cen ts 1793 - 4 : 2003

    道路交通噪聲降低裝置.聲學性能測定的試驗方法.第4部
  6. Road traffic noise reducing devices - test method for determining the acoustic performance - part 5 : intrinsic characteristics ; in situ values of sound reflection and airborne sound insulation ; german version cen ts 1793 - 5 : 2003

    道路交通減噪裝置.聲音性能測試方法.第5部分:內在特
  7. Road traffic noise reducing devices - non - acoustic performance - general safety and environmental requirements

    道路交通噪聲降低設備.非聲學性能.一般安全和環境要求
  8. Road traffic noise reducing devices - non - acoustic performance - mechanical performance and stability requirements

    道路交通降噪設備.非聲學性能.機械性能和穩定性要求
  9. Road traffic noise reducing devices - non - acoustic performance - part 2 : general safety and environmental requirements

    道路交通噪音降低裝置.非聲學性能.第2部分:一般安全和環保要求
  10. Road traffic noise reducing devices - non - acoustic performance - part 1 : mechanical performance and stability requirements

    道路交通噪音降低裝置.非聲學性能.第1部分:機械性能和穩定性要求
  11. Road traffic noise reducing devices - test method for determining the acoustic performance - normalized traffic noise spectrum

    道路交通噪音減低裝置.測定聲學性能的試驗方法.標準化交通噪音頻譜
  12. Building acoustics - estimation of acoustic performance of buildings from the performance of elements - sound absorption in enclosed spaces

    建築聲學.從元件性能評估建築物的聲學性能.封閉空間吸聲
  13. Road traffic noise reducing devices. test method for determining the acoustic performance. part 3 : normalized traffic noise spectrum

    道路交通噪音減弱裝置.聲性能測試方法.第3部分:正常交通噪音范圍
  14. Road traffic noise reducing devices - non - acoustic performance - part 2 : general safety and environmental requirements ; german version en 1794 - 2 : 2003

    降低道路交通噪音的裝置.非聲學性能.第2部分:一般安
  15. The structural optimization based on noise attenuation is studied, in which the thickness of each link is taken as the design variable, and the weighting sum of structural mass and measure of the structural acoustic performance is taken as the synthesis performance index

    選取機構桿件厚度為設計變量，以機構質量和聲輻射性能量度的加權和為目標函數，應用改進了的變尺度優化演算法對優化問題進行了求解。
  16. Based on the conclusion of wave number analysis, a new dynamic equation taking the measure of structural acoustic performance is obtained by a set of transformation, which is much convenient for us to discuss the noise attenuation

    並依此對機構動態方程進行了改造，得出了一個以機構聲輻射性能的量度為變量的新的動態方程，為後面機構聲輻射控制研究提供了方便。
  17. Road traffic noise reducing devices. test method for determining the acoustic performance. part 1 : intrinsic characteristics of sound absorption

    道路交通噪音減弱裝置.聲性能測試方法.第1部分:聲吸收的內在特性
  18. Road traffic noise reducing devices. test method for determining the acoustic performance. part 2 : intrinsic characteristics of airborne sound insulation

    道路交通噪音減弱裝置.聲性能測定試驗方法.第2部分:氣載聲隔絕固有特性
  19. Road traffic noise reducing devices - test method for determining the acoustic performance - intrinsic characteristics of sound absorption

    道路交通噪音減低裝置.測定聲學性能的試驗方法.聲音吸收的內在特性
  20. Road traffic noise reducing devices - test method for determining the acoustic performance - intrinsic characteristics of airborne sound insulation

    道路交通噪音減低裝置.測定聲學性能的試驗方法.空載隔音固有特性
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