英语释义

• opposition to the flow of sound through a surface; acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component

片语

acoustic c impedance meter声阻抗仪

acoustic wave impedance声波阻抗

synthetic acoustic-impedance合成声阻抗

acoustic intrinsic impedance[声]

acoustic radiation impedance声辐射阻抗

acoustic input impedance声输入阻抗

acoustic characteristic impedance[声]

acoustic c impedance layering声阻抗分层

Acoustic c impedance matching声阻抗匹配

英汉例句

• a special nomograph designed for calculating the normal specific acoustic impedance is proposed.

  本文提出一种为计算法向声阻抗率而设计的专用列线图。

• the proposed finite difference boundary condition expands the scope of application of fdtd to scattering problems of objects with a finite acoustic impedance but without tangential stress.

  导出了水中透声目标表面边界条件的时域有限差分（fdtd）表达形式，将fdtd 在水声学中的应用范围扩大到无切应力的有限声阻抗目标的散射问题。

• in acoustics, the product of velocity times density, also called acoustic impedance and symbolized by z.

  声学中，速度与密度的乘积就是阻抗，也称为声阻抗或波阻抗，用符号z表示。

• based on synthesizing advantages of the pulse echo and spectral ration techniques, a new method, the equivalent acoustic impedance technique is proposed.

  在综合了回声法和频谱振幅比法优点的基础上，提出等效声阻抗法。

• taking the reservoir z, f oil field, venezuela as an example, this paper illustrates the application of logs data to constrain seismic data for producing a high-resolution acoustic impedance 3d model.

  以委内瑞拉f油田z油藏作为研究实例，利用测井资料约束地震数据，建立纵向高分辨率的三维地震波阻抗模型；

• by repeated practice on acoustic impedance inverse, the method can take a good effect on promoting the resolution.

  通过对波阻抗进行反演的实践，表明这种方法可以达到提高分辨率的效果。

• at present, electric resistance, chloride ion concentration anomaly, chloride ion profile and acoustic impedance logging data can b…

  目前电阻率和氯离子浓度异常、氯离子剖面以及声阻抗测井数据均可预测水合物饱和度。

• acoustic impedance changes and hearing threshold shifts after exposure to impulse noise or air-blasts were studied in guinea pigs.

  本文利用豚鼠研究了脉沖噪声和空气沖击波暴露后中耳声阻抗的变化和听阈偏移。

• in this paper, the acoustic impact testing method has been presented with two different excitation methods: the tap testing method and the acoustic impedance testing method.

  依据激励方式的不同，本文分别从敲击检测以及声阻检测方法两个方面对声振检测方法进行了介绍。

• up till now, there is no accurate standard for the optimum acoustic impedance of the coupling medium.

  目前国内超声医学界对最佳耦合剂声阻数值的选择尚无较为準确的说法。

• therefore, the fluid sound propagation of the leakage pipes is studied, according to the acoustic impedance characters.

  文中从声学的角度出发，分析了漏损点的声阻抗特性，并对漏损管道内流体的声传播进行了研究。

• seismic acoustic impedance linear inversion algorithm is studied.

  研究地震波阻抗线性反演求解方法。

• as an objective diagnostic method, aural acoustic impedance measuring device holds a very important position in diagnosing ear diseases and hearing obstacles.

  作为一种客观的诊断方法 ，耳声阻抗测量仪在临床耳疾和听力障碍诊断方面具有重要地位。

• in this paper, the nonlinear acoustic impedance of the micro-perforated panel is investigated both theoretically and experimentally.

  本文对微穿孔板的非线性声阻抗率作理论与实验两方面的研究。

• for sandstone reservoir, the acoustic impedance of gas-bearing sandstone is lower than that of oil- and water-bearing sandstone, gas in reservoir may be directly recognized by using this difference.

  对于砂巖储层，含气砂巖的声阻抗比含油和含水砂巖的声阻抗低，利用这种差异可以直接识别储层中气体。

• in this paper, the acoustic impedance caused by the sound radiation at the terminals of the aperture, which is laid on the cylindrical surface, is analysed on the base of rigorous sound theory.

  本文根据严格的声学理论，分析了圆柱面上小孔端面由于辐射所产生的声阻抗率。

• the reflection coefficient of an interface depends on the contrast in acoustic impedance of the rock on either side of the interface.

  界面的反射系数取决于界面两侧巖石的声阻抗差。

• based on the numerical results, the curve-fitting expressions for the acoustic impedance of perforated plates with cross flow and grazing flow are obtained.

  综合无流、有流情况下穿孔板声阻抗的近似公式，给出穿孔元件声阻抗新模型。

• the acoustic impedances and thicknesses of the acoustic decoupling layers determine the acoustic impedance of the acoustic decoupler, and, hence, the pass bandwidth of the dsbar device.

  声波去耦层的声阻抗和厚度决定该声波去耦器的声阻抗，并因此决定dsbar器件的通带宽度。

• the acoustic parameters include complex reflection and transmission coefficient (echo reduction and insertion loss), attenuation coefficient, complex acoustic impedance and sound speed.

  测量参数包括复反射系数（口声降低）、复透射系数（插入损失）、衰减系数、复声阻抗和纵波声速。

• negative coefficients occur where there is a decrease in acoustic impedance across the reflecting interface.

  当反射界面上下两侧的声波组抗降低时，反射系数就会出现负值。

• at present, electric resistance, chloride ion concentration anomaly, chloride ion profile and acoustic impedance logging data can be used to predict the gas hydrate saturation.

  目前电阻率和氯离子浓度异常、氯离子剖面以及声阻抗测井数据均可预测水合物饱和度。