大学英语词汇短语释义解析及例句 acoustic impedance
释义：
acoustic impedance [声] 声阻抗
例句：
Seismic acoustic impedance linear inversion algorithm is studied.
研究地震波阻抗线性反演求解方法。
Methods to check on objective acoustic impedance and subjective pure tone audiometry.
方法对外伤性聋进行客观声导抗测试和主观纯音测试。
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。
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准确的说法。
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。
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。
Seismic wavelet extraction and stratum acoustic impedance inversion are very important in seismic inversion.
地震子波的提取和地层波阻抗反演是地震反演中非常重要的两个方面。
Based on 1-d wave equation, a reconstruction algorithm of layered acoustic impedance profile has been established in this paper.
本文基于一维波动方程，提出了一种层状介质声阻抗剖面的重建算法。
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冲噪声和空气冲击波暴露后中耳声阻抗的变化和听阈偏移。
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。
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岩石的声阻抗差。
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。
This thesis introduces the measuring principle, device composition and main functions of an intelligent acoustic impedance middle ear analyzer.
介绍了一种智能化声阻抗中耳功能分析仪的测试原理，仪器组成， 系统的主要功能等。
For the eyeball composed of membrane and liquid, the contrast of ultrasound imaging is not high due to its small variance in acoustic impedance.
对于由膜组织和液体构成的眼球来说，由于其超声阻抗差别不大造成眼超声成像的对比度不高。
The post-stack wavelet processing (estimate of determining reflectivity) is considered the first step to perform the acoustic impedance inversion.
叠后子波处理（求反射系数的估计）是波阻抗反演的第一步。
To create the traveling-wave phasing and high acoustic impedance, a simplified model of the system is constructed from the view of acoustic network.
为了产生行波声场和形成高声阻抗，从热声网络的观点建立了系统的简化模型。
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。
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。
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。
They are characterized by ruggedness, light weight, high sensitivity, low acoustic impedance, easy conformability to complex surface, low cost and large bandwidth.
它具有耐磨、量轻、灵敏度高、声学阻抗低、容易固定在复杂的表面、价格便宜，频带宽等特点。
The algorithm can quantitatively reverse the acoustic impedance value and layered place of layered media to reconstruct the acoustic impedance profile of the layered media.
它能定量地反演出各层状介质的声阻抗值及分层位置，以重建层状介质的声阻抗剖面图。