sound field

According to the method of angular power spectrum for average sound field in shallow water, the transformation relation between arbitrary angle dependence of bottom scattering and the range dependence of long-range reverberation in shallow water homogeneous layer is established.

利用浅海平均声场角度谱分析法，在海底散射的任意角度关系和浅海均匀层远程混响的距离关系之间建立了变换关系。

互联网摘选

Computation of sound field in a reverberation room with simple harmonic wave method and the theoretical error of sound intensity measurement

室内声场简正波法的数值计算方法和混响场中声强测量的误差

互联网摘选

Radiation Analysis at Far Sound Field for Thin Flat Plane Loudspeaker with One Point Drive and Four Corners Fixed

固定四角薄型平板扬声器单点激励在远声场的辐射分析

互联网摘选

Sound field characteristic and echo wave feature in ultrasonic nondestructive test of electron beam weld

电子束焊缝超声无损检测声场特性及回波特征

互联网摘选

By using complex amplitude to describe sound field distributing, acoustic lens pulse response is deduced in theory, and function imaging of biological tissue is obtained.

以声场复振幅来描述声场分布，根据基尔霍夫衍射理论，从理论上推导了声透镜的脉冲响应，并通过实验得到了生物组织的功能成像。

互联网摘选

The size of ultrasonic container should be selected according to sound field effective range.

在超声试验中应根据声场的有效范围选择使用容器的大小.

互联网摘选

A submerged buoy system for ocean vector sound field measurement is designed with the three-dimensional vector sensor as a core.

以三维矢量传感器为核心，构建海洋矢量声场观测潜标系统。

互联网摘选

The complex pressure field resulted from a high-speed train entering a tunnel was investigated based on the theory of aerodynamic sound.

应用气动声学理论对高速列车突入隧道引起的复杂压力场进行了研究。

互联网摘选

The early sound field is non-statistic, different from diffused sound field, therefore it can not be predicted by the diffused field theory.

因而有关与早期反射声能相关的音质参量在厅堂中的分布情况无法用扩散场的理论来预计。

互联网摘选

Approximate Calculation of the Sound Field of Diffraction of Barrier

声屏障衍射声场的近似计算

互联网摘选

An investigation on feasibility of pure tone sound field audiometry

纯音声场测听可行性研究报告

互联网摘选

Panorama — placing a musical element in the sound field.

在声场里面安置好所有的音乐元素.

互联网摘选

The digitized sound field processing technology has the broader prospects for development.

数字化音场处理技术具有更广阔的发展前景。

互联网摘选

Lethal threshold curve of guinea-pigs in high-intensity sound field

强噪声场中豚鼠的死亡曲线

互联网摘选

THX ASA creates the studio sound field in your home by digitally reconfiguring the surround channels.

THXASA通过数码重置环绕通道来重建立体声音场.

互联网摘选

A verification method of sound level meter's low frequency record used near sound field of circular piston sound sources

声级计低频响应检定&圆形活塞声源近声场检定方法

互联网摘选

Sound field radiated by cantilever thin square plate with artificial through crack based on FEM

裂纹悬臂方薄板的振动辐射声场

互联网摘选

The Invention of Ball Influence of acoustical baffle parameters of spheroidal sonar dome on bow on afterbody sound field

船舶球鼻艏导流罩声障板参数对艉部声场的影响

互联网摘选

Based on H ∞ control theory, the feedforward Active Noise Control ( ANC) model of one dimensional sound field in a duct is presented. The design problem of feedforward controller is transformed into the standard problem of H ∞ control.

本文运用H∞控制理论建立管道内一维声场的前馈式噪声主动控制模型，将前馈控制器设计问题转化为标准的H∞控制问题。

互联网摘选

The paper introduces the active acoustics control method of dimensional enclosed sound field.

介绍了三维封闭声场主动声学控制的基本理论及应用.

互联网摘选

The Sound Field Pattern of Home Theater

家庭影院的声场模式

互联网摘选

In this paper, the two dimensional sound field is analysised by boundary element method and numerical formulars are brought out after three different procedures are compared.

本文将边界元法应用于二维声场分析，给出了以第二类汉克尔函数为基本解的数值计算公式，比较了处理奇异积分的三种不同方法。

互联网摘选

The Feynman path Integral Formulation of the Interaction of Electromagnetic Radiation in the Electric Dipole Approximation However, the sound field of such transducer can not be solved analytically by the Helmholtz integral formulation.

电偶极近似条件下电磁相互作用的Feynman路径积分描述但是，这种换能器的辐射声场不能直接利用Helmholtz积分法进行解析求解。

互联网摘选

Numerical Simulation of the Sound Field Generated by Gate Valve Inner Leakage

闸阀气体内漏喷流声场的数值模拟

互联网摘选

This paper presents sound characteristics of room sound field from architectural acoustics parameters and acoustics parameters and sound system characteristics and speech articulation. It gave definitions especially for the physical meanings and measurement methods on those characteristics.

从建筑声学参数、音质参数、声系统特性及语言清晰度参数四个方面介绍室内声场的声学特性，给出了这些特性的定义（物理意义）及其测量方法。

互联网摘选

Acoustics Audiometric test methods Part 2: Sound field audiometry with pure tone and narrow-band test signals

GB/T16296-1996声学测听方法第2部分：用纯音及窄带测试信号的声场测听

互联网摘选

Numerical simulation of averaged sound field in the sea I

海中平均声场的数值模拟Ⅰ

互联网摘选

A mathematical analysis of three dimensional surrounding sound field

三维（立体）声场的数学分析

互联网摘选

Arrangement of Error Sensors for Adaptive Active Noise Control in Free Sound Field

自由声场自适应有源噪声控制中误差传感器的布放

互联网摘选

Methods The GSI-16 clinical two channel audiometer with built in sound field system was used to observe 143 cases ( 168 ears) with various hearing aids. Their hearing loss and hearing compensation were tested before and after the aids being used.

方法应用GSI-16纯音听力计附声场测听系统，观察168耳不同类型助听器使用者助听前的听力损失和助听后的听力补偿；

互联网摘选