Laplacian-sharpening

此程序是用二分法求非线性方程在一定精度下的近似解以及迭代次数，这是通用程序(This program is the dichotomy of nonlinear equations in the approximate solution under certain precision and number of iterations, which is a universal program)

matlab经典时频分析工具箱，短时傅立叶变换（STFT），维格纳分布（WVD）,伪维格纳分布（PWVD）等时频分析方法(Toolbox short-time Fourier transform (STFT) Wigner distribution (WVD) pseudo-Wigner distribution (PWVD) frequency analysis method matlab classic time-frequency analysis)

说明：  本文件为深圳杯数学建模大赛D组题目的全部相关程序，没有题目 只有解答过程和程序~已经把数学问题精炼出来了(This document is all related procedures for group D questions of shenzhen cup mathematical modeling contest. There are no questions, only the solving process and procedures. The mathematical problems have been refined.)

分数阶PID比一般PID多了2个可调参数，实现了常规PID所无法实现的控制功能，并且更精确有效(Fractional PID PID more than two adjustable parameters, and can not be achieved by the conventional PID control functions, and more accurate and efficient)

Numerical analysis: Newton method used to solve the nonlinear problems.

有关速率的分岔图程序，图像比较清晰，可下载参考。(For the rate of the bifurcation diagram of the program, the image is relatively clear, can be downloaded reference.)

MATLAB在时间序列建模预测及程序代码(MATLAB forecast time series modeling and code)

模糊变换与模糊综合评价中，需要进行归一化处理，即各项之和除以每一项。以下为算子的matlab函数(Fuzzy transform and fuzzy comprehensive evaluation, the need for the normalization process, and that all of dividing the sum of each item. The following is the operator matlab function)

自适应滤波器的设计，包括LMS和RLS，两种方法，程序简单实用(Adaptive filter design, including LMS and RLS, two types of methods, procedures simple and practical)

产生几种典型的电能质量扰动信号源及其该信号源的ST变换(Produced several typical power quality disturbance source and the transformation of the source ST)