1) pseudo-spectral matrix method
伪谱矩阵方法
1.
As the preliminary theoretical study on reducing ship resistance by micro-bubbles,this paper deals with the numerical simulation of incompressible turbulent boundary flow on a plate with the pseudo-spectral matrix method.
作为在理论上研究微气泡减少船舶阻力的前期工作 ,本文主要用伪谱矩阵方法计算不可压缩平板湍流边界层流动。
2) Pseudo-inverse matrix method
伪逆矩阵法
1.
Then Pseudo-inverse matrix method is used to calculate dynamics parameters and the measured data are modified by considering of thermal inertia factor of ARC.
最后用伪逆矩阵法计算潮湿鞭炮第一次放热反应的活化能E和指前因子A,用热惰性因子修正绝热参数,为防止发生爆炸事故提供了理论依据。
3) pseudo-spectral method
伪谱方法
1.
A numerical wave model is developed to simulate freak wave generation,which is based on the modified four-order nonlinear Schrdinger equation governing the slow variation of complex envelope in deep water and a standard split-step,pseudo-spectral method.
基于控制深水复波包演化的修正的四阶非线性薛定谔方程和离散时间步长的伪谱方法,建立了畸形波生成的数值模型,模拟了边带扰动初始条件下满足边带不稳定性条件时波列的演化,统计了演化过程中生成的畸形波,并对该过程中谱成分能量的变化进行了分析。
2.
Based on pseudo-spectral method,this article calculates focusing and active sonar of time reversal in shallow water environment and introduces evolution process of forward modeling sound field distribution and back analysis sound field distribution for noise source frequency of 100Hertz.
本文基于伪谱方法对浅海波导环境中的时间反演聚焦和时间反演主动声纳进行了计算,给出了声源频率为100Hz的正演和反演声场分布的演化过程。
3.
In this paper,the four-order nonlinear Schrodinger equations and the pseudo-spectral method are introduced to develop a 2-D numerical water flume based on the Benjamin-Feir instability of random wave trains,which is adopted to simulate the freak waves in deep water.
通过引入四阶非线性薛定谔方程,基于随机波列演化的Benjamin-Feir不稳定性,采用伪谱方法建立了二维深水波浪数值水槽来模拟海洋中的畸形波现象。
4) Pseudospectral method
伪谱方法
1.
Calculations of high order harmonic generation and ionization probability of o ne-dimensional atom in the intense laser field with pseudospectral method;
用伪谱方法计算强激光场中一维原子的高次谐波和电离几率
2.
In this paper, we propose a new numerical method which is a least squares approximation based on pseudospectral method for the biharmonic equation with nonhomogeneous boundary conditions in a two dimensional domain.
本文对二维双调和方程非齐次边值问题提出了一种新的数值逼近方法:基于伪谱方法的最小二乘逼近,证明了这种最小二乘逼近解是唯一存在的,并给出了误差估计,结果表明这种方法亦具有谱精度。
3.
We solve time-dependent Schrodinger equation of one-dimensional atom in intense laser field with pseudospectral method by introducing nonlinear space transformation.
本文通过引入非线性空间变换，用伪谱方法数值求解了一维原子在强激光场中的含时Schr(?)dinger方程，研究了一维模型原子在强激光场中的高次谐波和电离几率，其结果与分裂算符方法所得的结果符合得很好。
5) pseudo-covariance
伪协方差矩阵
1.
At the separation stage,the frequency domain pseudo-covariance is added into the popular natural gradient separation algorithm to decorrelate two improper complex-valued vectors,and then the independent complex-valued components are generated more efficiently.
第一阶段,将频域内复变量的伪协方差矩阵融入到分离算法中,能完全实现非线性不相关,从而使得算法性能得到显著提高。
6) matrix method
矩阵方法
1.
The generalized reflection-transmission coefficient matrix method for synthetic seismograms;
合成地震图的广义反射透射系数矩阵方法
2.
For arbitrarily spatial elastic curved rod elements with circular cross-section, a set of displacement functions fully reflecting the rigid body modes is derived using the classical elasticity theory and mathematic theories of the differential geometry and matrix methods.
利用经典弹性理论和微分几何、矩阵方法等数学理论,基于空间自然坐标系和随体坐标系,通过求解应变与位移之间关系的微分方程,得到了一种能完全反映任意空间形状圆截面曲杆单元刚体位移和常应变等模式的位移函数。
3.
3-D rigid--plastic FEM and matrix method are adopted to calculate plastic deformation of strip and elasticdeformation of rolls respectively.
利用三维刚塑性有限元法计算带钢的塑性变形，利用矩阵方法计算轧辊的弹性变形，通过两者间变形协调关系，求解出带钢出口断面形状，并能定量分析各种因素对带钢出口断面形状的影响。
补充资料：矩阵的谱
矩阵的谱
spectrum of a matrix
矩阵的谱〔月举加助ofa双.幼x;cne‘甲MaTp仙“1 矩阵的本征值的集合(亦见本征值(。罗n词ue);特征多项式(cha.cteristic pof卯o而al)).
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