2) spectral moment
谱矩
1.
In the analysis of reliability of system under random excitations, the spectral moments of response are very important parameters.
提出了一种新的计算弹性-粘弹性复合结构随机响应的各阶谱矩的计算方法,它是一种时域复模态分析方法。
2.
This paper studies the Characteristics of the first three spectral moments for the response of linear systems under the space-interrelated ground motion model and an analytical method.
本文研究了在空间相关地面运动数学模型下线性体系振动反应的前三阶谱矩的特点和它们的解析计算方法。
3.
This paper is about the study of wave spectrum、 spectral moments and the progress of scattered-smoothness technology.
本文论述了海浪平滑技术的研究进展,讨论了海浪谱的各种常见形式、Philips平衡域、海浪谱的各阶谱矩及海浪谱高阶谱矩的应用和实际应用过程中遇到的困难;对连续型海浪平滑技术进行了详细的探讨,并根据实际应用的需要提出了离散型海浪平滑方法,并推导了采用离散型平滑后海浪谱的一般公式;依此对实验室数据进行平滑,得到较好的平滑效果。
3) spectral moment method
谱矩法
1.
Under the first order approximate condition, there was the direct ratio between the coal seam thickness of a typical thin layer and seismic trace spectral integral representation, and it exits the inverse ratio relation with the first order spectral moment method.
在一阶近似条件下,典型的低速薄层煤层的厚度与地震记录的频谱积分成正比,与地震子波频谱一阶矩成反比,谱矩法在已有的煤层厚度揭露资料在约束条件下,求得标定系数,利用地震资料反演煤层厚度。
4) 2-D power spectrum moment
二维谱矩
5) spectral matrix
谱矩阵
1.
After the wavelet package transform of signal is conducted,the space movement property of particle is calculated by spectral matrix method,constituting the corresponding filtered function.
利用小波包分析在时域和频域同时具有良好的局部化特性，对信号进行小波包变换后，用谱矩阵法计算质点的空间运动特性，构造相应的滤波函数，对分解后的信号进行滤波，将滤波结果用逆小波包变换进行重构，实现了滤除干扰、保留有用信号的目的，取得了非常满意的效果。
2.
The spectral matrix of the six components of the seismic ground motions is given based onthe principal axis concept of ground motions.
地震动各分量间的谱矩阵李宏男（土木工程系）关键词地震动；转动分量；谱矩阵分类号：Ｐ３１５。
3.
We construct the spectral matrix ρ(λ) and Weyl Matrix M(λ) of leftdefinite singular secondorder SturmLiouville equations,and also give the relationships between the elements of Weyl Matrix and the elements of spectral matrix.
研究了一类特殊边界条件下两端奇异的左定Sturm-Liouville问题,建立了左定Sturm-Liouville问题的谱矩阵ρ(λ)与Weyl矩阵M(λ),并给出了谱矩阵ρ(λ)的元素与Weyl矩阵M(λ)的元素之间的关系。
6) magnetic field moment spectrum
磁场矩谱
1.
Authors describe the procedure of estimating the underneath depth of a magnetic body by using both magnetic field moment spectrum method and improved Parker-Oldenburg method.
本文讨论了用磁场矩谱法及改进的Parker－Oldenburg方法计算磁性体下界面埋深的具体步骤。
补充资料：矩矩吒
【矩矩吒】
（动物）又作鸠鸠吒。鸡也。见求法高僧传等。
（动物）又作鸠鸠吒。鸡也。见求法高僧传等。
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