We have found out the equation of density matrix evolution of the two-level atomic system in the classic electromagnetism field. The Law of coherence of the state is obtained.
求解了经典电磁场中二能级原子系统的密度矩阵演化方程，得到了系统状态的相干特性。
In this paper, a new Evolution Strategy method for solving matrix eigenvalues and eigenvectors was proposed.
提出了一种基于进化策略求解矩阵特征值及特征向量方法。
Based on the remote sensing image of Yiwu and GIS, this paper conducts some research on transfer matrix analysis of landscape evolution of Yiwu.
以义乌市遥感影像为基础，在GIS支持下，对义乌城市景观演化进行转移矩阵研究。
According to the system density matrix, discussed the evolution of the system entropy with time and photon statistical properties of the system.
根据系统密度矩阵，讨论了系统熵随时间的演化和系统光子统计性质。
The matrix damage evolution behavior and the effect of matrix micro-cracks on the dynamic characteristics of composite stiffened delaminated plates are studied.
研究了在简谐激励作用下复合材料加筋板基体微裂纹损伤的演化行为及其对加筋板动力特性的影响。
Three experimental techniques for detecting matrix cracking evolution in composite laminates are investigated: acoustic emission detection, ultrasonic wave C-scan, and replica tape record.
介绍探测复合材料层板基体裂纹的三种实验技术：声波发射探测，超声波c扫描和复制带记录。
Computer simulations are efficient and necessary on studying the self-assemblies characteristics of organic matrix, evolution mechanism and structures of the aggregates.
计算机模拟是研究有机基质自组装特性、超分子聚集体结构和特性的有效方法。
Finally, the model of matrix porosity and the evolution of permeability tensor of Microfracture for hydraulic fracturing rock is established.
最后，建立水力压裂岩体基质孔隙和微裂缝渗透张量演化模型。
By using differential evolution, the proposed algorithm finds the global optimal solution of objective function and obtains the separating matrix so that the signals are separated successfully.
该算法采用差分进化算法对目标函数自动寻优，求得分离矩阵，从而分离出信号。
Using a Parallel plot, PCA and Nonparametric Scatterplot Matrix to Study the Evolution in Time of a Multivariate Industrial Process.
运用平行图、主成分分析和非参数散点图矩阵等方法，研究多变量工业流程在时域内的变化规律。
Using a Parallel plot, PCA and Nonparametric Scatterplot Matrix to Study the Evolution in Time of a Multivariate Industrial Process.
运用平行图、主成分分析和非参数散点图矩阵等方法，研究多变量工业流程在时域内的变化规律。
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