查询词典 acoustic

Alternately, the use of high power microwave technology, acoustic weapons or nonlethal chemicals might be called for.

另外，高能微波技术，声响武器或者非致命化学武器都是可民考虑的。

The purpose of this study is to explore the intonational performance by native and nonnative male speakers in terms of the acoustic evidence.

本研究的目的旨在以声韵学的角度探讨英语为母语的男性与非英语为母语的男性在音调表现上的差异。

To start with, the indirect boundary element formulations are established for analysis of exterior acoustic problems and the transfer matrix relating the pressure at every field point to the normal component of surface velocity is formed.

基於辐射声压重建结构表面的振动速度存在著解的离散病态问题，从间接边界元法的双层势表达式出发，建立了外部场压和结构表面振动速度之间关系的传递矩阵。

To solve these problems, this paper presents two new schemes for numerically treating acoustic scattering problems.

针对这些问题，提出了两种处理声波散射问题的新方案。

This paper presents a quantificational evaluation to a specified high standard odeum via measuring on some main acoustic parameters.

通过对一个演出规格较高的音乐厅主要声学客观参数的测试，给出了该音乐厅定量的音质评价。

But there are a few extra things that you on order to play, and that will more than likely be more expensive than an acoustic guitar.

但也有一些额外的东西，你为了发挥，这将可能会超过昂贵得多的吉他。

Based on the theory of the electromechanical analogy and the special wave equation,the equivalent circuit of the exponential acoustic waveguide was derived,the formula of its impedance transformation was obtained.

基于机电类比原理，从特殊形式波动方程出发，推导出了指数形变截面声波导管的等效电路，从等效电路推导出了声波导管的阻抗转移公式。

On the basis of the result of on-line acoustic emission testing, magnetic flux leakage testing can be applied for the tanks which are in high level of danger.

在保证安全的情况下，根据声发射普查结果，制定储罐维修计划，对严重等级高的储罐进行开罐漏磁检测。

The optimal step size equation is derived according to LMS algorithmic. In light of the fact that the position of the resource of working-noise changes frequently and the acoustic characteristic of coalseam varies with the proceeding of mining, the thesis models the change of response function by single delay estimation in DCT domain to raise the filtering capability.

论文在 叙述LMS算法原理基础之上推导了最佳收敛步长的求解公式，给出了DCT-LMS自适应算法；根据井下作业噪声源位置是经常变化的以及巷道声特性随开采进程而发生变化的特点，提出采用DCT域的延时估计提高井下作业噪声滤波性能。

In order to know interval velocity in layered acoustic medium,re- locity analysis is made using wave field continuation and fuzzy decision theories.

为了获得层状声学介质的层速度参数，文中依据波场延拓理论和模糊决策理论改进了速度分析。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。