acoustic noise test 中文意思是什麼

acoustic noise test 解釋
聽覺噪音試驗
  • 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。
  • noise : n 1 聲音，聲響。2 叫喊；嘈雜聲，噪音；喧鬧聲；吵鬧，騷動，騷擾。3 〈古語〉謠言，風聲。4 〈美國〉...
  • test : n 1 檢驗，檢查；考查；測驗；考試；考驗。2 檢驗用品；試金石；【化學】試藥；（判斷的）標準。3 【化...
  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. In order to carry out the acoustic and aerodynamics performances tests, seven resonators are designed and made, and a specialized engine intake silencer and exhaust silencers test bench was designed. the tests and analysis are performed as well. on the basis of the intake noise spectrum of sc7080a, a three - parallel - connected resonant silencer is designed, and that has efficiently controlled the acceleration noise of sc7080a

    在此基礎上設計並加工了兩類七個共振型進氣消聲器，研製了發動機進排氣消聲器性能測試實驗臺，開發了發動機進排氣消聲器聲學性能測試軟體，並在該實驗臺上測試了所設計的進氣消聲器靜態工況下的傳聲損失，從實驗的角度研究了共振腔的尺寸、形狀對其共振頻率的影響及其趨勢。
  8. 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
  9. 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
  10. 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
  11. 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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