chaper8

this file contains some m-files about calculating the fractional fourier transform

This system models a double pendulum system where the rest state has the pendulums balanced to hang at right angles to one another.

可以用来计算岩石的频散效应，现在还只是单裂纹二维情况(Rocks can be used to calculate the frequency dispersion, it is only a single two-dimensional crack)

matlab程序，利用ICI自消除算法，比较OFDM系统，ICI自消除，接收ICI自消除三者的性能(matlab program using ICI self-cancellation algorithm compares OFDM system, ICI self-cancellation receiver ICI self-cancellation performance of the three)

说明：  用非matlab工具箱实现直方图均衡化。(With non-realization of histogram equalization matlab toolbox.)

Returns matrix (n)x(n) which in which there are just prime numbers and on the other places, there are zeros.

最优化算法，包括各种线性优化和非线性优化问题(Optimization algorithms, including linear optimization and nonlinear optimization problems)

matlab编写的信号分解，采用HHT变换的EMD分解方法，提取信号的各阶EMD分量。(matlab write signal decomposition, the use of HHT transform EMD decomposition method to extract the signal component of each order EMD.)

说明：  有限差分法，解决偏微分方程的其中的一种解法(Finite difference method to solve partial differential equations in which a solution)

多进制相移键控信号的谱相关特性分析 原理分析等(M-ary phase shift keying signal spectral correlation analysis theory analysis)