1) Wave superposition method
波叠加法
1.
A combined wave superposition method is proposed to transform near-field acoustic holography.
提出了以混合波叠加法作为声场的全息变换算法,建立了基于混合波叠加法在声源识别中的理论模型。
2.
An acoustic theoretical model for extracting mechanical fault features and the wave superposition method were proposed to reconstruct the acoustic fields generated by arbitrarily-shaped radiators in order to compute the number and location of noise sources.
建立了机械故障特征提取的声学理论模型,使用了波叠加法重建源表面为任意形状的空间声压场分布,计算出未知声源的数目与位置。
3.
By virtue of the comparability between the wave superposition method and the dynamic analysis of structures, a general format to overcome the non-uniqueness of solution induced by the wave superposition method at the eigenfrequencies of the corresponding interior problems is proposed in this paper.
利用波叠加法与结构动力分析中的相似性 ,提出了一种在波叠加法中克服解非唯一的通用方法 ,即在虚拟源强系统中加入一定的虚拟阻尼从而能获得全波数域内的唯一解 ,并以此为基础提出了一种新的加入虚拟阻尼的方法———复数矢径波叠加法 。
2) harmony superposition method
谐波叠加法
1.
According to the basic theories of harmony superposition method and linear filtering method,the numerical simulation of wind velocity time history for long-span spatial lattice structure was realized by programming with MATLAB language in such methods as harmony superposition method,FFT-updated harmony superposition method,interpolation method,and auto-regressive method of linear filtering method.
根据谐波叠加法和线性滤波法的基本原理,采用MATLAB语言编写程序分别实现了常规谐波叠加法及其改进的快速傅里叶变换算法和插值算法以及线性滤波法的自回归法对大跨度空间网格结构风速时程的数值模拟,并模拟了2个工程实例的风速时程。
2.
The method of HSM-BTI (harmony superposition method including blade-tower interaction) was proposed in this paper.
根据风机结构体型特征和脉动风功率谱特性,研究了叶片与塔架风场的相干性效应,提出考虑叶片与塔架相互影响的谐波叠加法(harmony superposition method with blade-tower interaction,HSM-BTI)。
3.
According to the numerical simulation methods of wind load in the latest years,the development process of the method is expounded,and the harmony superposition method is introduced briefly,as well as the linear filtering method,the wavelet analysis\'s basic principles in the numerical simulation of wind load and some problems existed.
通过对近年来风荷载模拟方法的总结,简单论述了其发展历程,并简要介绍了谐波叠加法、线性滤波法以及小波分析在风荷载模拟中的基本原理以及其中存在的一些问题。
3) harmonic wave superposition method
谐波叠加法
1.
The wavelet coefficients of the measured wind velocity histories and the simulated data obtained by the conventional harmonic wave superposition method are analyzed by statistic methods such as probability density、kurtosis and skewness analysis.
对某200m高的超高层建筑顶层实测风速及用传统的谐波叠加法得到的模拟风速分别进行了静态离散小波变换,通过对小波系数的概率密度、峭度及偏度分析,证明了传统模拟方法不能反映湍流的间歇性及局部自相似性。
4) wave superposition method
波叠加方法
1.
Sound radiation in stochastic acoustic field using statistical wave superposition method
计算结构随机振动辐射声场的统计波叠加方法
2.
A visualization method for identifying the acoustic source is proposed based on the wave superposition method and Tikhonov regularization.
介绍了一种基于波叠加方法的可视化声源识别技术。
5) wave superposition approach
波叠加方法
1.
Investigation on holographic reconstruction of sound field using wave superposition approach;
空间声场全息重建的波叠加方法研究
2.
Firstly, the wave superposition approach (WSA) based acoustic sensitivity formulations are given for both free field and semi-free sound field circumstance.
首先,详细地分析了国内外声辐射计算问题和声学灵敏度分析方法的发展历史和研究现状,接着,在实现和改进基于波叠加方法的声辐射算法及声学灵敏度分析方法的基础上,提出了适用于半自由声场的基于半自由场波叠加方法的声学灵敏度分析方法;为了克服常规波叠加方法在随机声场分析中的缺点,提出了统计波叠加方法,并将其应用于随机振动结构的声学灵敏度分析;针对能量有限元法和能量边界元法的缺点,提出了可以计算高频辐射声场的能量源波叠加方法,并对其在高频声学灵敏度分析中的应用进行了研究。
6) wave superposition method
谐波叠加法
1.
Procedure of stochastic sequence of wind velocity is generated by wave superposition method, and time domain analysis is performed on the double-layer latticed shell roof structures of Beijing Laoshan Cycling Velodrome under random wind load.
利用谐波叠加法生成随机序列来模拟风荷载,对老山自行车馆双层网壳屋盖在随机风荷载作用下进行时程分析,并计算其风振系数,以备工程实践借鉴。
补充资料：波的叠加原理
物理学的基本原理之一。介质中同时存在几列波时，每列波能保持各自的传播规律而不互相干扰。在波的重叠区域里各点的振动的物理量等于各列波在该点引起的物理量的矢量和。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条