The mathematical model simulating beamforming acoustical holography has been built.
本文建立了模拟声全息的数学模型。
This paper presents a new techniques named acoustical holography that can be used for analysis and study of noise.
本文介绍了一种用于噪声分析研究的声全息技术。
This paper presents the acoustical holography method which can be used to identify noise source on a moving vehicle.
本文提出利用声全息原理，对运动状态下的汽车噪声源进行识别的方法。
In view of the actual condition, this paper paid more attention to the cylinder acoustical holography algorithm in half-free space that is more applied.
针对于实际工况，重点研究了半自由空间中柱面声全息的算法，使声全息理论更加贴合实际。
The pulsed argon laser thus obtained is used as a reconstruction light source for liquid surface acoustical holography, resulting in a greatly improved image qua...
脉冲氩离子激光用于液面法声全息提高了动态声全息的成象质量。
The pulsed argon laser thus obtained is used as a reconstruction light source for liquid surface acoustical holography, resulting in a greatly improved image quality.
脉冲氩离子激光用于液面法声全息提高了动态声全息的成象质量。
Using acoustical holography, some interesting results are shown about the different noises of a high speed vehicle, such as engine noise, tire noise and aerodynamic noise.
它能够用来分析汽车在高速运动过程中发动机的噪声、轮胎噪声和空气动力学噪声。
Characteristics of the discrete real-space Green′s function and particularities of the discrete algorithm of the planar acoustical holography reconstruction convolution are analyzed.
分析了实空间离散格林函数的特点和平面声全息重构卷积计算的特殊性，推导了在重构条件下二维循环卷积与重构卷积的关系。
Some interesting results are obtained about the noise of a vehicle, which show acoustical holography is an effective method for noise source identification and have obvious advantages in some aspects.
利用声全息分析方法对一辆汽车进行了噪声分析。结果显示声全息方法也是一种有效的噪声源识别手段，在一些方面还有较大的优越性。
Some interesting results are obtained about the noise of a vehicle, which show acoustical holography is an effective method for noise source identification and have obvious advantages in some aspects.
利用声全息分析方法对一辆汽车进行了噪声分析。结果显示声全息方法也是一种有效的噪声源识别手段，在一些方面还有较大的优越性。
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