声学

The paper introduces a kind of acoustics principle,and a new method which measuring resonance frequency of the circular saw blade s by means of a sound level meter,inorder to provide the reference of testing resonance frequency parameter for all kinds of woodworking cutting tools.

介绍了一种利用声学原理，采用声级计为传感器的木工圆锯片固有频率测量的新方法，以期为各类木工刀具的固有频率参数测试提供借鉴。

It is not a full acoustic measurement system such as CLIO or Praxis however, so take these results with a grain of salt.

这是不是一个完整的，如CLIO广告或实践声学测量系统可是，采取一粒盐这些结果。

This discussion is important to the research of real time realization of audio coder.

心理声学模型对这一切的实现发挥着关键的作用。目前高保真音频中

Combination of room acoustics characteristics of the different sub-band FIR filter length filtering, limited resources in a more rational distribution, saving resources and computation, and to some extent improve the convergence rate.

结合房间声学的特点，对各子带采用不同长度的FIR 滤波器进行滤波，将有限的资源进行更合理的分配，节省了资源和计算量，并在一定程度上提高了收敛速度。

The prediction of flow-induced noise is an important and complex issue in fluid-dynamic acoustics field.

流激噪声的预报问题是流体动力声学领域的重点和难点。

Based on the integrated compressible fluid mechanics equations,using eigen value analysis,the new method of non-reflecting boundary condition was proposed for aeroacoustics simulation of disturbance in shear flows.

基于完整的可压缩流体力学方程，利用特征分析的方法给出了气动声学中数值计算扰动的边界处理方法。

Their proposed device would look like a scaled-up acoustic cloak: concentric circles of posts surrounding a hidden object.

他们设计的装置看起来像一个按比例放大的声学斗篷：一些环绕在被保护物体周围的同心圆。

In acoustics he studied the propagation of sound and musical consonance and dissonance .

在声学中，他研究了声的传播和音乐的和谐与不和谐。

Principal component analysis decomposed the correlation matrix of acoustic parameters into 6 factors. Five of them could be named.

主成分分析将声学参数相关矩阵合成6个因子，其中可以对其命名的因子为5个因子。

It is unrealistic to presuppose a sophisticated knowledge of harmony and counterpoint in a beginning music student.

要求一个初学的人具有和声学和对位法方面的知识是不现实的。

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。