sound power measurement 中文意思是什麼

sound power measurement 解釋
聲功率測量
  • 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...
  • power : n 1 力,力量;能力;體力,精力;(生理)機能;〈常 pl 〉才能。2 勢力,權力,權限;威力;政權;權...
  • measurement : n. 1. 測量,計量,量度。2. 份量,尺寸,大小,寬度,厚度,深度(等)。3. 測量法。 measurement goods (按體積、容積計算的)體積貨物。
  1. Abstract : in the paper, based on the problem that strong reactive background noise can bring about a big measurement error when sound power is measured in a narrow room, such as power room in a diesel locomotive, it is analyzed theoretically that sound power is measured and carried out by using sound intensity probe hood, and sound power of diesel engine surface noise is measured in a power room

    文摘:在狹小空間如內燃機車動力室的條件下,測量柴油機表面噪聲聲功率時,動力室內抗性背景聲很強引起較大的測量誤差,從理論上分析了採用聲強探頭罩進行聲功率測量的可行性,並進行了內燃機車柴油機表面噪聲的聲功率測量。
  2. Acoustics - determination of sound power levels of noise sources using sound intensity - measurement at discrete points

    聲學.利用聲音強度測定噪聲源功率級.第1部分:離散點測量
  3. En iso 9614 - 2 acoustics. determination of sound power levels of noise sources using sound intensity. part 2 : measurement by scanning

    聲學.利用聲音強度測定噪聲源功率級.第2部分:掃描測量法
  4. Acoustics - determination of sound power levels of noise sources using sound intensity - part 2 : measurement by scanning iso 9614 - 2 : 1996 ; german version en iso 9614 - 2 : 1996

    聲學.利用聲音強度測定噪聲源功率級.第2部分:掃描測
  5. Air conditioners, heat pumps and dehumidifiers with electrically driven compressors. measurement of airborne noise. determination of the sound power level

    帶電動壓縮機的空調器熱力泵和除濕器.機載噪音的測量.噪音等級的測定
  6. Air conditioners, heat pumps and dehumidifiers with electrically driven compressors - measurement of airborne noise - determination of the sound power level

    帶電驅動壓縮機的空調加熱泵和除濕器.空氣噪聲的測量.聲功率水平的測定
  7. Air conditioners, heat pumps and dehumidifiers with electrically driven compressors - measurement of airborne noise - determination of the sound power level ; german version env 12102 : 1996

    空調器熱力泵和帶電動壓縮機的除濕器.載氣噪聲測量
  8. Acoustics - determination of sound power levels of noise sources using vibration velocity - measurement for seal machinery

    聲學振速法測定噪聲源聲功率級用於封閉機器的測量
  9. Methods for measurement calculation of sound emitted by machinery and equipment at work stations and other specified positions from sound power levels

    工作站和其他特定場所機械設備聲音排放聲強級的測量計算方法
  10. Acoustics - determination of sound power levels of noise sources using sound pressure - survey method using an enveloping measurement surface over a reflecting plane iso 3746 : 1995 ; german version en iso 3746 : 1995

    聲學.聲壓法測定噪音源聲功率級.包絡面簡易測量法
  11. Acoustics - determination of sound power levels of noise sources using sound pressure - survey method using an enveloping measurement surface over a reflecting plane

    聲學聲壓法測定噪聲源聲功率級反射面上方採用包絡測量表面的簡易法
  12. Acoustics. determination of sound power levels of noise from air - terminal devices, air - terminal units, dampers and valves by measurement in ? reverberation room

    聲學.混響室空調終端設備空調終端部件氣流調節器和閥門的噪音聲功率級測定
  13. Analysis of errors due to scanning paths in sound power measurement using scanning intensity method

    掃描聲強法聲功率測量的掃描路徑誤差分析
  14. Laboratory method of testing in - duct sound power measurement procedure for fans also designated ansi amca 330 - 86

    風扇風道內測試聲功率測量程序的實驗室方法
  15. Acoustics - determination of sound power levels of noise sources using sound intensity - part 1 : measurement at discrete points

    聲學聲強法測定噪聲源的聲功率級第1部分:離散點上的測量
  16. If an item of qpme operated under a cnp is suspected to be emitting excessive noise due to poor performance, modification or alternation, the cnp holder would be asked to conduct noise measurement to verify its sound power level

    已取得建築噪音許可證的某項優質機動設備,如懷疑因表現欠佳機件改裝或改動而發出過量噪音,建築噪音許可證持有人便需量度噪音以核實其聲功率級。
  17. Acoustics. determination of sound power levels of noise sources using sound pressure. survey method using an enveloping measurement surface over a reflecting plane

    聲學.使用聲壓法對噪聲源聲強級的測定.在反射平面上利用包封測量表面的測量法
  18. Acoustics - determination of sound power levels of noise sources using sound intensity - part 2 : measurement by scanning

    聲學聲強法測定噪聲源的聲功率級第2部分:掃描測量
  19. Measurement of airborne noise from hydraulic fluid power systems and components - method of determining sound power levels from valves controlling flow and pressure

    液壓動力系統和部件空氣噪音測量.第4部分:流量和壓力控制閥聲功率級測定方法
  20. Reverberation room is the special test room that is used in acoustics, in the measurement of sound absorption coefficient in random incidence and determination of sound power levels of noise sources, the reverberation room is used very extensively

    摘要混響室是聲學專業的實驗室用房,它在測量聲波無規入射時材料的吸聲系數和測量噪聲源的聲功率級中得到了廣泛應用。
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