波数空间

周期加筋板声学性质的波数空间分析方法

The Method of Wavenumber Space Analysis for Acoustic Natures of Periodically Stiffened Plate

中国经济周期波动特征分析：滤波方法的应用周期加筋板声学性质的波数空间分析方法

The Business Cycle in China ; The Method of Wavenumber Space Analysis for Acoustic Natures of Periodically Stiffened Plate

为使抽象的物理概念直观化，给出了特征波数的空间分布图形。

The graphs of the spatial distribution of characteristic wave number are given for the ease of understanding abstract concepts .

我们的技术是利用二维小波变换，把二维地震信号变换到有关频率、时间、波数、空间的一个四维函数。

Our technique is to fully utilize 2 D wavelet transform , map 2 D data to a four dimentional space about time , frequency , space , wavenumber .

利用频率波数域与空间频率域混合域偏移算子，构造出炮域波动方程三维叠前深度偏移算法，形成相应的处理流程。

In this paper we discuss details about the construction of 3 D wave equation pre stack depth migration algorithm in shot gathers by combining migration operators of frequency wavenumber domain and spatial frequency domain , and its corresponding processing flow .

染色线观测显示H值增大使扰动失稳距离增加，扰动衰减率与波数的关系同空间模式稳定性分析的理论结果定性一致。

Traces of dyes indicate that the stable length increases with an augment of H , and the relations between spatial attenuation rates of disturbance and wavenumbers are correspondent with theoretical results by the analysis of spatial mode .