文章根据波动声学的观点对房间内的低频段声场做分析，理论和实验都验证了这个结论。
Based on wave acoustics, the low frequency sound field is analyzed in this paper, and reciprocity is verified both theoretically and experimentally.
为用声学特征进行地基脱空等缺陷无损检测提供了理论和实验依据。
Thus it offers theoretical and experiment basis for NDT of the defect like foundation void by means of acoustic features.
解析法是基于波动声学理论，对简单房间体形、简单边界条件来求解的方法。
The way of analytical method is a way by which we can solve to simple room shape and border condition, basing on the theory of wave acoustics.
本文运用理论分析，根据水下爆炸和水声学的基本知识，分析了水下爆炸的基本特性，得出水下爆炸声源的基本模型；
The signal source model of underwater explosion is obtained through theoretic analysis. According to the basic knowledge of underwater explosion and acous tics.
本文提出了一个基于心理声学理论和实验的听觉感知模型，它模拟了人对声音响度的听觉感知特征。
Based on the psychoacoustic theory and experiments this paper presents an auditory sense model which simulates the characteristics of human sense of hearing speech loudness.
以几何光学为基础的复射线理论已在激光、微波、声学和地震波等学科领域获得了广泛应用。
Complex ray theory, based on geometrical optics, has been found to have many applications in areas of laser, microwave, acoustics, seismology etc.
声像定位理论和心理声学实验结果表明，头部转动对前方声像方向的影响较少，主要是影响侧向声像方向。
The results of sound image localization theory and psychoacoustic experiment prove that the rotation of head has little effect on the front image, but has some effect on lateral image.
该系统采用主动工作方式，本文系统地研究了在多途信道中对声学信号进行处理的理论研究和仿真分析及工程软件设计。
The theoretical and simulation analysis about acoustic signal processing in multi-path channel and the engineering software design are given in the dissertation.
本文从声学振动理论出发，分析并导出了结构的振动与表面辐射噪声的关系。
In this paper, the relationship between the structure vibration and the surface noise radiation is analyzed and deduced from the acoustic and vibrational theory.
语音的声学模型和识别理论是构建语音识别系统的基础。
Acoustic model and speech recognition theory is the basis for building speech recognition systems.
从气动声学理论出发，探讨了贯流式风机气动噪声机理及不等节距叶片频率调制降噪的机理。
Based on the theory of airacoutics, the mechanism of denoising of cross_flow fan and the modulation of unequal spaced blades is discussed.
本文利用力-电类比理论并从磁学和声学方面对三种力矩激励器进行了设计。
In this paper, three types of moment actuators are designedin accordance with the mechanic-electric analogous theory with reference to acousticsand magnetics.
实验和理论显示，对于局域共振声学材料而言，动态质量密度甚至还会变成是负的。
The dynamic mass density can even be negative for the locally resonant sonic materials, as demonstrated both experimentally and theoretically.
一些基本的声学理论关于：共鸣体、源和声源滤波的概念。
Some Basic Acoustics of Resonators and Sources, Source-filter Concepts.
理论分析表明PVDF薄膜的声学灵敏度与膜的厚度和膜的弹性刚性系数成正比。
Theoretical results show that the piezoelectric sensing sensitivity of PVDF film is proportional to film thickness and inversely proportional to the elasticity constant S.
根据基本声学理论，分析具有单极子、中间和偶极子三种指向性的有限长线声源的几何发散损失特性。
Based on the theory of acoustics, this paper analyzes the character of geometrical spreading loss of finite line sound source on three types of directivity-monopole, intermediate pole and dipole.
根据声学理论，构建换流站内相应的声源模型。
According to acoustics theory, the acoustic source model of the station has been constructed.
理论推导和实例结果表明，随机振动的声学响应特性取决于声学频率响应函数和激励谱密度函数。
The results show that acoustic response feature of random vibration depends on the acoustic response function and the spectral density function of the stimulating load.
语音分离的研究在语音通信、声学目标检测、声音信号增强等方面有着重要的理论意义和实用价值。
Separation of speech in voice communications, acoustic target detection, sound signal enhancement, and so has important theoretical significance and practical value.
对穿孔板吸声结构的声学特性进行了理论分析与计算。
Theoretical analysis and calculation on the acoustic properties of perforated panel absorber were described herein.
本文首先回顾了传统室内声学理论，并阐释了传统声学理论在地铁站等长空间中的不适用性。
Firstly, the article reviews the theories of the tradition acoustics, expatiates that the theories of the tradition acoustics are unsuitable with the long - room.
本文是应用声学原理中的近场理论，通过工程技术实践探讨测量低频扬声器频响的一种方法。
In this paper a method base on the near-field theory of acoustics is used to measure the frequency response of the low-frequency loudspeaker through the engineering and technology practice.
本文介绍了声学特性测量混响室法的基础室内声场理论与阻抗管法的基础管道平面波理论。
In this paper, room sound field theory as the basis of measurement based on reverberation chamber and waveguide theory as the basis of measurement based on impedance tube are introduced.
并根据声学理论分析排气噪声，提出理论上的予计及试验实测压缩机排气噪声的一种方法。
And then, according to the theory of acoustics, the noise of the discharge of a compressor is analysed and a method of prediction and testing of the discharge has been recommended.
不仅为超声珩磨声学系统的设计提供了可靠依据，而且对理论研究也有很大的现实意义。
It supplies the proof for the design of ultrasonic honing acoustic system. As well it is worth to the theoretical research.
本文根据严格的声学理论，分析了圆柱面上小孔端面由于辐射所产生的声阻抗率。
In this paper, the acoustic impedance caused by the sound radiation at the terminals of the aperture, which is laid on the cylindrical surface, is analysed on the base of rigorous sound theory.
该系统采用主动工作方式，本文系统地研究了在多途信道中对声学信号进行处理的理论研究和仿真分析及工程软件设计。
The system works in active mode. The theoretical and simulation analysis about acoustic signal processing in multi-path channel and the engineering software design are given in the dissertation.
该系统采用主动工作方式，本文系统地研究了在多途信道中对声学信号进行处理的理论研究和仿真分析及工程软件设计。
The system works in active mode. The theoretical and simulation analysis about acoustic signal processing in multi-path channel and the engineering software design are given in the dissertation.
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