Grey-method

白噪声频谱。掌握白噪频谱在去除噪声时很重要，尤其噪声背景很强时(noise)

用MATLAB仿真取样光栅的传输特性，使用方法为传输矩阵法(MATLAB simulation of transmission characteristics with sampled grating, using the method of transfer matrix method)

一个matlab界面程序，读入图像可以保存，通过slider来控制图像二值化的阈值，并且保存变化后的图像(A matlab interface program，Image reading， images can be saved, to control the image binarized by the threshold value slider, and save the changed)

用Adomain分解方法求解分数阶常微分方程组，线性的和非线性的方程组都可以。(using Adomian decompositon method to solve fractional differential equations)

bp神经网路在地震预测中的应用，分别采用gd、gdx、lm训练方法，供大家参考~(bp neural network in the earthquake prediction, respectively, using gd, gdx, lm training methods for your reference ~)

iris pattern recognition for eye scan

各种流行学习算法的执行程序，有界面，功能强大(The implementation of a variety of popular learning algorithm procedures, interface and powerful)

LDPC编码的完整实现，包括编码和解码过程(LDPC encoding the full implementation, including encoding and decoding process)

MSK信号的模拟仿真代码。可以适合与研究MSK信号的人。(MSK signal simulation code. MSK signal can be suitable for people with research.)

第二种孤岛运行的控制是采用下垂控制（droop控制），Droop控制就是用来模拟频率一次调整。通过控制电力电子逆变器来实现。(The second kind of island operation control is droop control, Droop control is used to simulate a frequency adjustment. It is realized by controlling the power electronic inverters.)