聲阻尼 的英文怎麼說

中文拼音 [shēngzǔní]
聲阻尼 英文
acoustic damping
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 尼 : 名詞（尼姑） buddhist nun
  1. Different algorithms were compared in the numerical simulation and model experiment of concrete velocity inversion the results showed that, compared with the least - square solutions and the damped least - square solutions, the damped and natural weighted least - square solutions reflected the inner defections of the tested object more reliably and exactly due to the usage of correct priori information, which benefited the suppression of noises and made the iterations of inverse stable and convergent

    結果表明，相對于最小二乘法和阻尼最小二乘法，基於自然權的加權阻尼最小二乘演算法，由於利用了正確的先驗信息，不但使反演過程收斂，而且具有數值穩定、抗噪能力強的優點，其成像結果能真實有效地反映對象內部缺陷，因此更適用於混凝土的超聲波速度反演。
  2. The motion of plunger of oleo damper excited by colored gaussian noise with exponential correlation time is governed by first order nonlinear differential equation

    摘要油液阻尼器受指數型高斯色噪聲外激勵時，活塞在油腔內的運動可用一階非線性動力學方程描述。
  3. Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy

    一般的優化方法，僅僅考慮了參數對其目標函數的影響，而實際情況下有些參數是變化的，產品的結構參數（如幾何尺寸、間隙等） 、物理和力學參數如阻尼系數、傳導系數、磨擦系數、材料的彈性模量和強度極限等的設計值與製造后和使用中的實際值會有差異，這種差異稱為設計變量和噪聲因素的變差。
  4. 3. the acoustic wave impedance coefficient is recovered from the incomplete data of the far field pattern

    對于系數反問題進行了研究，利用遠場模式的不完全數據反演聲波阻尼系數。
  5. Acoustics - flexural resonance testing method for damping properties of acoustical materials

    聲學聲學材料阻尼性能的彎曲共振測試方法
  6. Tang yong - jie ， yan li - tang ， hu xuan - li ， et al. research on piezoelectric damping technology in structural vibration : ( 2 ) piezoelectric active damping technology j. piezoelectics & acoustooptics ， 1996 ， 18 ( 1 ) : 2831

    唐永傑，晏礪堂，胡選利，等.結構振動控制中壓電阻尼技術研究： （二）壓電主動阻尼技術j ] .壓電與聲光， 1996 ， 18 （ 1 ） : 2831
  7. Dipl. ing. eugen vom cleff gmbh offers offers on shaft seals, o rings and hydraulic packings. additionally also on radial shaft sealing rings and shaft seals

    該企業為您提供阻尼器、減震器、消聲器、減擺器、扭轉振動減振器、汽船、調節風門、阻尼裝置、密封環和緩沖裝置以及棒料密閉和自緊油封的報價。
  8. Corian polymer cabinet, coated inside with bitumen substance. separate cabinet for each drive unit

    鈷分子聚合物箱體，箱體內壁高阻尼塗層，獨立箱體結構，杜絕單元聲染。
  9. Sound damping coefficient

    聲阻尼系數
  10. The development and disappearance of the acoustic oscillations are influenced by the nozzle throat size and open - time of the plug

    計算結果表明，這些影響包括了聲振的強度、阻尼和頻率，發動機點火后噴管喉部尺寸和堵蓋打開的時間影響到振蕩波的發展和消失。
  11. In order to alleviate the problem of railroad noise pollution, this paper studies the wheel - rail noise reducing technology by sticking high damping materials on the two sides of rail according to the characteristics of train running noises after speed increase and wheel - rail noise generating mechanism

    摘要針對鐵路噪聲污染狀況，根據提速列車運行噪聲的特點及輪軌噪聲產生的機理，研究了通過在鋼軌軌腰鑲嵌高阻尼材料從而降低輪軌噪聲的技術。
  12. Seal concept gmbh dichtungen halbzeuge is one of the reliable industrial companies in the range rod seals as well as gaskets, hydraulic packings and also rotary shaft seals

    該企業為您提供阻尼器、減震器、消聲器、減擺器、扭轉振動減振器、汽船、調節風門、阻尼裝置、密封環和緩沖裝置以及棒料密閉和自緊油封的報價。
  13. Abstract : by drilling holes on the surface, adding damping and isolating vibration to the roller, the vibration and noise radiation are not onl y reduced, but vibration energy of transmission to the surrounding objects is al s o restrained

    文摘:通過對輥筒進行表面處理、附加阻尼裝置和採用隔振措施，不但減少了輥筒的振動和噪聲而且抑制了輥筒振動能量向支架、地基傳遞，避免二次結構聲。
  14. On the basis of above parts, this paper discusses the noise muffling of several kinds of plates. it gives the modifying formula of the mass law and verifies its accuracy with an example. at last, this paper explains the effect of stiffeners and damping on the plates " muffling characteristics

    在認識隔聲理論的前提下，研究了板在寬頻域范圍上的隔聲特性，並總結了板材加筋以及敷設阻尼對結構隔聲的影響，具有一定的工程實用價值。
  15. In order to deal with effect of the high damping, focusing probe with focused sound field is used in testing. the image device of ultrasonic c - scanning, which has functions of ultrasonic testing, pc - based control, data collection, data storage, data processing and image displaying together, is applied in testing for the sake of visual testing result

    為了克服高阻尼影響，採用了具有聲束聚焦性能的聚焦換能器對不同形狀的該種復合材料工件進行檢測；為了得到直觀的檢測結果，運用了將超聲檢測與微機控制和微機進行數據採集、存貯、處理、圖像顯示集合在一起的超聲c掃描成像技術，並得到了工件內部缺陷的橫截面圖。
  16. Matlab procedure is coded to compute the far - field sound pressure levels of the shell excited by radial point force. the influences of modal truncation, stringers, bulkheads and damping on the shell ' s far - field sound pressure are analyzed, laying down the basis for accurate analysis of the sound radiation from fluid - loaded reinforced double cylindrical shells

    本文用matlab編製程序求解了單層殼在徑向激勵力作用下的遠場聲壓級，分析了模態截斷數、縱骨、艙壁板、結構阻尼等因素對殼體遠場輻射聲壓的影響，為準確計算加筋雙層殼在水下振動和聲輻射特性奠定了基礎。
  17. Apply to such industry as petroleum, chemical industry, textile, metallurgy, electron and atomic energy, etc., is it filter, charge dust, gas not to spread, is it steam take, catalysis reflect, electrolytic, eliminate noise, damping, hinder fire and sweat function of cooling etc. to flow to have

    應用在石油化工紡織冶金電子及原子能等工業中，有過濾收塵氣體擴散流蒸化催化反映電解消聲阻尼阻火及發汗冷卻等作用。
  18. We did some analysis about the relativity between the vibration and the noise of the wheel. after the testing of the first line of guangzhou underground, we found that the existing wheel damper has nothing to do with the noise of wheel less than four thousands hz. compared of different contributions of the tread vibration and the web vibration on sound level of railway noise

    在實驗過程中，改進了對車輪的激振方式，利用單擺激振提高了激振力的精度;實驗分析了車輪阻尼器的結構、安裝方式及其動力學參數對車輪阻尼器降噪效果的影響;也分析了車輪振動與噪聲的相關性;現場測試廣州地鐵一號線的噪聲特性，確定了車輪阻尼器所要控制的頻率范圍;對比分析不同激振情況下，踏面徑向振動與輻板軸向振動對噪聲聲壓級的貢獻比例。
  19. Stability and intensity of structure are commonly top - priority in the structure design. when a noise problem has been found in the structure, the common way to decrease vibration is adding damping or vibration isolating because of much restriction in the modification of structure

    在常規的結構設計中，設計過程往往優先考慮結構的穩定性和強度及重量等因素，在試驗階段才考慮振動和噪聲問題，此時，結構可改動的餘地一般已經很小，通常只可能通過附加阻尼或者採用隔振手段等來實現減振降噪。
  20. Acoustic resistance washer

    聲阻尼墊圈
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