DrawGateFunctionSpectrum

多方向灰度变换源代码（本子程序为单方向，多方向修改一下即可）(Multi-directional gray transform source code (book program for single-direction, multi-directional modify click))

该代码是在matlab程序中实现的分数阶LU系统混沌，比较实用！(LUsystem chaos)

很好很实用的matlab工具函数包括：插值与拟合等相关问题的实现(Nice and useful tool matlab functions include: interpolation and fitting, and other related issues to achieve)

matlab相关教程PPT，适用于MATLAB初学者。(matlab tutorials PPT, MATLAB for beginners.)

说明：  BP神经网络建立的定量分析模型，用于预测未知待测量(quantitative analysis)

给定一个音频范围内的模拟强噪声随机信号（强噪声+周期信号），将信号从强噪声中提取出来，并计算原信号及提取信号的均值、平均功率、方差、频谱及功率谱密度、互相关等 并附带图形(Given within the scope of an audio simulation of strong noise random signal (noise+ periodic signal), the signal from strong noise in the extracted and calculated signals and extract the original signal of the average, average, variance, spectrum and power spectral density , such as inter-related and incidental graphics)

说明：  LDPC码的BP算法译码MATLAB程序(LDPC decoding algorithm BP MATLAB)

简支梁受均布荷载为常数。试用MATLAB编程， 1） 求剪力方程并绘出剪力图 ； 2） 求弯矩方程并绘出弯矩图 ； 3） 求转角方程并绘出转角图 ； 4） 求挠度方程并绘出挠度图 ； (The Charpy by uniformly distributed load is constant. Trial MATLAB programming, 1) and shear equation and draw the shear diagram 2) Find the moment equation and draw the bending moment diagram 3) Find the angular equation and draw the corner Figure 4) Find the deflection equation and draw the deflection diagram )

用线性滤波器来对一个带限通信信道建模仿真(Linear filter to a band-limited communication channel modeling and simulation)

code for data preproccess in 3 steps :Swap lines with missing value NaN, zscore Normalization, Standardization process