Sound energy

A mean for measuring the surface sound energy diffusion coefficient in a room

室内界面声能扩散系数测量方法

Analysis of Sound Energy Decay in Measurement of Random-Incidence Scattering Coefficient

无规入射散射系数测量中的声能衰减分析

The sound energy vibrates the ear drum and small ear bones .

声音能振动耳鼓和小耳骨。

A sound energy distribution system has been created .

建成了较为完善的能源运输体系。

Study on sound energy distribution of active noise reduction in 3D space

空间有源消声的声能量流研究

Coal burning in effect of sound energy is different from traditional burning .

煤炭在声能作用下的燃烧与传统的燃烧方式有很大的区别。

Electric energy can be changed into light energy as well as into sound energy .

电能既可以被转变成声能，又可以被转变成光能。

Research on key parameters of riser VIV monitoring under low sound energy condition

基于低声能辐射的隔水管VIV监测关键参数研究

Analysis of Sound Energy in Near-Field

近场声能量分析

Transmission Matrix of Mufflers with Sound Energy Dissipation

考虑声衰减时抗性消声器的传递矩阵

Thermoacoustic heat engine and refrigerator use thermoacoustic effect to realize conversion between heat and sound energy .

热声效应是热能与声能之间相互转换的现象，其重要应用领域之一是热声热机（包括热声发动机和热声制冷机）。

The whole work are listed as below : Experiments of liquid powered sound energy generators were carried out .

全文主要工作包括以下几个方面：对流体动力型声源性能进行了实验研究。

The results indicate that its sound energy mainly distributes over the frequency range of 0.8 to 2 kHz .

研究结果表明：后桥噪声能量主要分布在中心频率为0.8～2kHz的频带内，它由桥体和桥盖的表面噪声构成。

And it is very sensitive to vibrations , to sound energy traveling through the seawater .

它对震动和海水中声音能量的传递十分敏感。

The results showed that the first heart sound energy fraction were significantly different in the normal group and the heart murmur group .

试验结果表明，在正常组和返流性心脏杂音组间，第一心音能量分数存在显著性差异。

In this paper , the performance of high intense sound energy generator and sound energy generator arrays is numerically and experimentally studied .

本文对强声声源和阵列性能进行了数值模拟和实验研究。

Results : The continuous noise was 107 ~ 112 dB ( A ) . Sound energy mainly focused on about 300 Hz .

结果：行驶时连续噪声为107～112dB（A），能量主要集中在300Hz左右；

A telephone , for example , converts sound energy to an electrical signal and back again to audio to enable conversation .

例如，电话把声能转换为电信号并重新转换回声频来启动对话。

The paper brings into focus on it 's principle , structure , and it 's electric energy , sound energy , spectrum energy and other sound effect .

本文着重介绍这种震源的工作原理、结构以及它的电能、声能、谱能和其它声效率。

The commodity price cycle is eternal , and sound energy policy makes economies more resilient in the face of its fluctuations .

大宗商品的价格周期是永远存在的，稳健的能源政策可以让经济更能适应油价波动。

Because of sound energy loss caused resolution decline , the current resolution of film bulk acoustic sensor is difficult to meet low concentration small molecule detection requirements .

另外，由于声能损失导致分辨率下降，目前的薄膜体声波传感器还难以满足低浓度小分子检测的要求。

By measuring and transforming vehicle flow and vehicle reference radiation noise energy in Haikou , a macroscopic calculation method for the total traffic sound energy was discussed .

通过车流量实测和等效车流量转换、车辆基准辐射噪声声压级实测和声功率级转换的方法计算城市路网交通噪声总声能量。

There is different form of energy , such as heat energy , sound energy and chemical energy . Local variable cannot have the same name as the function containing it .

有不同形式的能量，如热能，声能和化学能。局部变量不能与包含它的函数同名。

Rare earth gaint magnetostrictive transducer is a device which changes electromagnetic energy into mechanical energy or sound energy . It has high mechanical and electrical conversion efficient .

稀土超磁致伸缩换能器是将电磁能转换成机械能或声能的器件，具有高效的机电转换效率。

In chapter two , wave motion equation , sound energy , sound energy flux density , sound intensity and its scaling method and the theorem of two-microphone sound intensity have been introduced .

第二章介绍波动方程、声能、声能流密度、声强及度量方法、双传声器互谱声强测量原理。

Finally , as an example the reverberation time and the directional distribution of early reflected sound energy between 0-80 ms are calculated , demonstrating the utility of computer simulation in room acoustics .

最后以一个模拟教室为例，计算其混响时间，前80ms反射声的方向分布等声场参数，说明计算机模拟在房间声学中的应用。

Passive acoustic absorption is that using the acoustic impedance characteristics of materials and the acoustic resonance which can transfer the sound energy into heat to achieve the goal of sound absorption and noise reduction .

被动吸声是指利用材料的声阻抗特性及声学共振等将声能转化成热能而耗损来达到吸声降噪的目的。

When a vector transducer is used to measure the sound energy flux from a source , it may effectively depress the isotropic noise , and perform DOA determination by means of low frequency signal .

利用矢量传感器进行目标声能流测量，可有效抑制各向同性干扰，并利用低频信号进行目标被动定向。

But in case of multi-sources , when a single vector transducer is used , due to the vector nature of sound energy flux , it is hard to distinguish different sources by spatial directional pattern .

但若存在多个目标时，由于能量流的矢量特性，利用单矢量传感器，难以借助空间分隔来进行目标分辨。

Principally , with some simplification of the room shape , the sound energy impulse response between the sound source and the receiver which is placed anywhere in the room can be got by using this program .

原则上，利用该算法能模拟符合简化条件的任意形状房间内某点与声源间的脉冲响应。