Geometrical-Nonlinear-FEM-Solver

Mimic filter implementation

分数阶傅立叶变换，可用于LFM信号的相干源信号的估计(Fractional Fourier Transform can be used for LFM signal of the coherent source signal estimate)

功能[DATAOUT]= PGA（DATAIN），执行相位梯度 ％ISAR自动对焦。 ％ ％DATAIN ISAR范围内的实时数据。 DATAOUT％范围内的实时数据已被删除平移 ％相位误差。 ％ ％参考： ％D.E.瓦尔，P.H.艾歇尔，特区吉利亚，C.V. Jakowatz，“相 ％梯度自聚焦一个强大的工具，用于高分辨率SAR相 ％修正“，硕士论文。航空。＆电子系统，第30卷，3，1994。(function [dataout]=PGA(datain) performs phase gradient autofocus of ISAR. datain is range-time data of ISAR. dataout is range-time data that have been removed translational phase error. Reference: D.E. Wahl, P.H. Eichel, D.C. Ghiglia, C.V. Jakowatz, "Phase gradient autofocus-a robust tool for high resolution SAR phase correction," IEEE Trans. Aero. & Elec. Sys., vol. 30, no. 3, 1994.)

粒子群算法用matlab实现。。实现一个函数优化(Particle swarm optimization with matlab. . The realization of a function optimization)

matlab基本信号处理函数及实例应用，非常有用的！(matlab basic signal processing functions and application examples, very useful!)

信号维数的估计，ldpc码的编解码实现，迭代自组织数据分析。( Signal dimension estimates, Codec ldpc code implementation Iterative self-organizing data analysis.)

This program take a two sequences with differents lengths and transform in two sequences with same length with use zero padding method.

半色调技术对图像进行打印和显示。半色调技术是一种基于点模式的灰度级图像打印方案。在本实验中，给出了用点模式近似表示的10个灰度级(Halftone image printing and display. Half-tone technique is a model based on gray-scale image point of printing solutions. In this experiment, given the dot pattern similar to that of the 10 gray level)

This program written in matlab applied some techniques of image processing to selected image.

完整精通MATLAB综合辅导与指南书籍，网上有些缺少前4章。(Full proficiency in MATLAB integrated counseling and guide books, the Internet and some lack of pre-Chapter 4.)