聲阻抗 的英文怎麼說
中文拼音 [shēngzǔkàng]
聲阻抗
英文
acoustic impedance-
Acoustic impedance matching of middle ear
中耳聲阻抗匹配Standard test method for impedance and absorption of acoustical materials by impedance tube method
用阻抗管法測定隔音材料的聲阻抗與吸音性的標準試驗方法Acoustics. testing of architectural acoustics. determination of sound absorption coefficient and impedance in a tube
聲學.駐波管法測定標準入射角聲阻抗和吸音率Underwater acoustic resistance
水下聲阻抗Therefore, the fluid sound propagation of the leakage pipes is studied, according to the acoustic impedance characters
文中從聲學的角度出發，分析了漏損點的聲阻抗特性，並對漏損管道內流體的聲傳播進行了研究。Precise locating needs to detect the acoustic signal of the pipe leaks that has close relationship with the acoustic impedance of the leaks
準確定位漏點須對漏損管道的聲信號進行研究，而漏損管道的聲信號與漏損點的聲阻抗密切相關。Unit area acoustic impedance
聲阻抗率Specific acoustic impedance
聲阻抗率Code for measurement of sound - absorbing coefficient and specific acoustic inpedance of standing - wave
駐波管法吸聲系數與聲阻抗率測量規范Measurement of sound - absorbing coefficient and sound - resistance rate by method of standing wave tubes
駐波管法吸聲系數與聲阻抗率測量規范To provide a method that can be used to predict single or multi - layered microperforated panel ( mpp ) performance precisely, especially when the mpp has holes of different diameter and irregular shape
摘要提出用實驗測得含不同孔徑孔的微孔板聲阻抗率來預測由其形成的單層或多層微孔板的吸聲特性，並用傳遞矩陣法來預測該微孔板的各種組合結構的整體吸聲性能。The analytical mode is based on the theory of sound propagation in layered media. the concept of equivalent parameters is established. the absorption of sound energy by damping layer ' s is represented by use of complex sound impedance
解析模型以分層介質中的波動理論為基礎，建立了等效參數的概念，並運用聲阻抗的復數表示法把阻尼層對介質層聲能吸收的影響都考慮進去，通過比較敷設消聲覆蓋層前後多層傳遞損失的差異來獲得消聲層的效率。When the acoustic impedance contrast between the thin dipping interface and its adjacent formations exits, their interfaces can be observed from the snapshots, but the acoustic field is rather complex
4 、當傾斜薄夾層的聲阻抗與其鄰層的聲阻抗相差較大時，盡管從波場圖中可以大致看出兩個地層界面的存在，但此時聲場分佈非常復雜。Electroacoustics - audiometric equipment - instruments for the measurement of aural acoustic impedance admittance
電聲學.聽力測定設備.聽覺聲阻抗導納測量用設備Electroacoustics - audiometric equipment - part 5 : instruments for the measurement of aural acoustic impedance admittance
電聲學.聽力測定設備.第5部分:聽覺聲阻抗導納測量用設備Electroacoustics - audiometric equipment - part 5 : instruments for the measurement of aural acoustic impedance admittance iec 60645 - 5 : 2004 ; german version en 60645 - 5 : 2005
電聲學.聽力測定設備.第5部分:聽覺聲阻抗導納測量用Thickness reversion method of water layer behind high acoustic impedance from one - dimension reflective data
利用一維單道聲反射實現強聲阻抗介質下的流體層厚度反演方法Our method is based on non - linear convolution model and uses artificial nervous net algorithm and simulated annealing algorithm, introducing the acoustic impedance as condition of constrained solution to avoid the hypothesis of wavelet or reflection coefficient in common seismic inversion, and adopting the control of fine seismic interpretation model in extrapolation
反演方法以非線性褶積模型為基礎，引入井旁聲阻抗作為解的適定性的約束條件，避開一般地震反演對地震子波及反射系數的假設。反演外推採用精細地震解釋模型控制。演算法上，引用人工神經網路和模擬退火演算法。It is well known that the coupled interactions between the ship hull and the surrounding fluid field of explosion give rise great influence to both the fluid loadings over the structural wetted surface and the responses of the hull. jt is the coupling effect that provides the major difficulties in the underwater explosion induced dynamic responses of the ship structure. the second order doubly asymptotic approximation method ( dda2 ) has been commonly employed in the world to deal with the coupling effect
本文針對daa方法不適合於分析敷有聲阻抗與水差不多的聲學材料（如玻璃鋼與消聲瓦）的船體結構與水下沖擊波相互作用的局限性，依據聲波的反射和透射原理對二階daa方法的高頻段進行了改進，發展並提出了能夠分析聲學材料流固相互作用的adaa方法（ acousticdaa ） ，拓展了應用范圍，使現有的二階daa方法成為它的一個特例。By using these two methods hereinbefore, we have dealt with sound pulse tube data and 200 - set survey data of sea bottoms of five positions. we summarize the results as follows : 1 ) the all of surface layer sediment can be used on the sea bottom classification
利用反演和統計特徵量提取方法，對實驗室聲脈沖管數據和海上實際調查數據（ 200組）進行了具體分析處理，得出以下結論： （ 1 ）聲阻抗反演方法可以用於表層海底分類。分享友人