According to acoustics theory, the acoustic source model of the station has been constructed.
根据声学理论，构建换流站内相应的声源模型。
For the acoustic source localization, a distributed localization method with unknown source energy is proposed.
对于声音源定位，本文提出了一种源能量未知情况下的分布式声音源定位方法。
Standard designature methods, using modeled acoustic source signatures, were inadequate, especially at low frequencies.
利用模拟声源特征的标准反信号方法是不够的，尤其是在低频率情况下。
The second key technique on time delay estimation based acoustic source localization is the structure of microphone arrays.
基于时延的被动声源定位研究的第二个关键技术是阵列的布设。
The electromagnetic wave radiated by the acoustic source is evidently different from the converted electromagnetic wave in frequency and phase.
声源激发的电磁波在频率与相位特征上不同于转换电磁波。
It can be used as a high-performance underwater acoustic target simulator, or as a low frequency broadband high power underwater acoustic source.
可用作水下目标声特征逼真模拟器(声靶)，也可作其它低频宽带大功率声源使用。
The acoustic source of plane circular pistons with the radiating transient pulse wave finds wide application in the ultrasonic inspection and test.
幅射瞬态脉冲波的圆形活塞声源在超声检测中得到广泛应用。
A new method for calibration of velocity sensitivity of ultrasonic transducers with a wide band standard acoustic source generated by a pulsed laser is proposed.
本文提出一种利用脉冲激光产生可重复的宽带标准声源、对超声换能器的速度灵敏度进行标定的新方法—激光超声法。
The angular distributions of power and radiation enhancement factor strongly depend on the position of acoustic source relative to the unit-cell where the source is placed.
我们数值地研究了镶嵌在方形排列的声子晶体中声源的能量辐射角度分布。结果表明，能量辐射角度分布和增强因子强烈地取决于源相对于所处单胞的位置的对称性。
But if the goal is to reproduce sounds accurately, then a speaker must be either an acoustic point source (monopole, omni-directional) or an acoustically small bi-directional source (dipole).
但是，如果目标是精确的重放声音的话，一个扬声器必须是声学上的点声源(单极点，全向响应)，或者是一个声学上小的双向源(偶极)。
Visual information in the speaker's mouth region is also an important speech information source except for acoustic signal source.
除声音信息通道外，唇动视觉信息可以作为一种重要的语音理解源。
Acoustic Time Reversing Mirror(TRM) can be implemented with an array of transducers that listens to a remote sound source and then transmits a time reversed version of what was heard.
声学时反镜是指由收发合置的换能器组成的基阵对声源信号进行接收、时间反转和再发送，时反后的信号会在声源处实现聚焦。
The acoustic holography technique for sound source identification and position by the method of continuously scanning improves the previous acoustic holography experiment.
连续扫描声全息声源识别定位技术是对以往声全息实验方法的改进。
The distributed source boundary point method(DSBPM) based nearfield acoustic holography(NAH) is used for identifying and localizing noise sources of the roots vacuum pump.
采用基于分布源边界点法的近场声全息技术对运转状态下的罗茨真空泵进行了噪声源识别和定位研究。
After a white noise signal has been taken as the input of a standard sound source, a static acoustic test is conducted for a prototype silencer without air flow and at the normal temperature.
采用白噪声信号作为标准声源的输入信号，在常温无气流条件下对消声器实物模型进行了静态放声试验。
The effects of the sea sediment parameters and center frequency of the source on the low frequency acoustic wave propagation in shallow water are investigated.
考察了海底沉积物参数、声源激发主频等对低频声传播的影响。
This paper introduces modal acoustic emission evaluation technique, including its fundamental principles, signal characteristic, noise rejection and source location etc.
本文介绍了模态声发射检测技术的基本原理、信号特征、噪声剔除和源定位等内容。
High fidelity acoustics are not only associated with acoustic system and sound source, but also with the acoustic character of the place.
高保真音响效果不仅与音响系统及音源有关，还与听音场所的声学特性有关。
The sound radiated from the exit was linked with the sound source characteristic of diesel engine, and the sound field in the exhaust duct by means of the acoustic transfer matrix method.
并用声学传递矩阵方法建立了柴油机源特性，管内声场与管口辐射噪声的关系。
A laser generation and optical difference detection method of surface acoustic waves (SAW) is used to study the influence of laser source on SAW.
利用激光激发声表面波及光差分技术研究激光源对声表面波的影响。
While performing the seismic modelling experiment, it needs to have tens to hundreds of kilohertz and well-distributed orientation-dependent narrow pulse acoustic wave as simulation source.
在地震模型实验中，需要获得几十至几百千赫的、方向性较均匀的窄脉冲声波作为模拟震源。
Abstract: to solve the passive detection problems of underwater remote targets, we propose a method for detecting source Numbers with a uniform circular acoustic vector sensor array.
摘要：为了解决水下远程目标被动探测问题，提出了一种声矢量圆阵的信源数检测方法。
The reflected pressure of the fluid is similar between the plane acoustic wave and the point source acoustic wave.
因此，这两种不同入射声波的声波反射压力的变化既有不同，又有着相似之处。
Under the situation of separated source and receiver, theoretical analysis and experimental research on acoustic scattering properties of some submarine model are made in this paper.
本文对收发分置情况下，某潜艇模型的声散射特性进行了理论分析和实验研究。
In rock mechanics experiment, the source location methods of acoustic emission (AE) is an important aspect of experimental AE research.
在岩石力学实验中，声发射源定位的研究方法，是实验室声发射研究的重要方面。
Under the circumstances that there are multi noise sources, we can get the effective method of how to judge main the noice source by deriving the formula of acoustic pressure evel decibel.
在有多个噪声源的情况下，通过推导声压级分贝值的运算公式，得出了判定主噪声源的有效方法。
Target echo signals are the main information source in underwater acoustic detection system.
目标回波信号是水声探测系统主要的信息来源。
Hartmann hydrodynamic acoustic generator can be used for acoustic treatment and is characterized by low cost, simple construction, durability and convenient power source.
哈特曼流体动力式声波发生器是一种声处理发声器，具有成本低廉、结构简单、坚固耐用以及动力源方便等特点。
As the further research on the underwater acoustic field, the matched field passive source location is proposed.
随着对水下声场的进一步深入，出现了以声场分析为基础的匹配场被动定位技术。
As the further research on the underwater acoustic field, the matched field passive source location is proposed.
随着对水下声场的进一步深入，出现了以声场分析为基础的匹配场被动定位技术。
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