Deblurring-Images---Matrices--Spectra--and-Filter

非线性方程组迭代法的matlab实现详细介绍 (Iterative method of nonlinear equations matlab implementation details)

说明：  解两点边值问题的有限元程序代码（matlab）(Solution of Boundary Value Problems of Finite Element code (matlab))

学习matlab的优秀资料，认真研究学习，读者可以从中获得启发，对matlab的学习具有很强的学习意义。(Learning matlab excellent information, serious research study, the reader can derive inspiration, has a strong sense of learning for learning matlab.)

一个带通滤波器，模拟Gelileo卫星中频滤波，显示频谱。(A band-pass filter, an analog IF filter Gelileo satellite.)

Superviewshed将计算所引用的地形和目标给予高度观察员矩阵洛杉矶分校。此外，标准的最低高度的地形观察将输出。运行约16倍视域。 (Superviewshed will calculate LOS of a referenced terrain matrices given observer and target altitudes. In addition, the standard minimum height observable of the terrain will be output. Runs approximately 16 times faster than viewshed.)

MATLAB关于科学计算的教程，很适合初学者使用(MATLAB tutorial on scientific computing, it is suitable for beginners)

很多经典函数的图形演示，让你更直观的了解一些经典函数的模样。其中的函数可以直接用来参考应用(Many of the classic function of graphical presentation, make you more intuitive understanding of some of the classic function looks like. One of the functions can be directly used to refer to the application)

该文件夹内用Matlab程序详细阐述了六种数字调制识别技术，希望对大家有所帮助(The folder with Matlab program elaborated six digital modulation recognition technology, we hope to help )

1. 在matlab中分析基于分离变量法的解析解； 2. 利用简单迭代法求解，与解析法结论对比，分析求解结果的精确度。分析过程至少包括：在网格尺寸为0.1 m和1 m两种条件下，两次迭代差值最大为10-10时的分析结论； 3. 利用超松弛迭代法分析，选择松弛因子，分析其对收敛速度（即迭代次数）的影响，并确定最优值。分析过程至少包括：在网格尺寸为0.1和1两种条件下，两次迭代差值最大为10-10时，迭代次数随松弛因子的变化，得到对应的最优松弛因子，与经验值（课本165页式子3.7.15）进行对比。(1. Analyze the analytical solution based on the separation variable method in matlab. 2. Using a simple iterative method to solve, compared with the results of the analytical method to analyze the accuracy of the solution. The analysis process at least includes the following conclusions: when the mesh size is 0.1m and 1m, the maximum difference between two iterations is 10-10. 3. Analyze using the relaxation relaxation iteration method, select the relaxation factor, analyze its influence on the convergence speed (ie the number of iterations), and determine the optimal value. The analysis process at least includes the following: when the mesh size is 0.1 and 1 and the maximum difference between two iterations is 10-10, the number of iterations varies with the relaxation factor, and the corresponding optimal relaxation factor and empirical value are obtained ( Textbook 165 pages (3.7.15) for comparison.)

自己的一个实验,验证频率的采样定理.即采样点数要足够大.(own an experiment to test frequency of the sampling theorem. That sampling points should be powerful enough.)