code

一本书：闻新《Matlab神经网络应用设计》(A book: learn the new " Matlab Neural Network Application Design" )

故障诊断的源码，基于matlab，包括时域频域，细化普，倒频谱等(Zoom Spectrum program)

信道利用率和帧长仿真测试 matlab仿真结果(Channel utilization and frame length simulation test Matlab simulation results)

MATLAB采用newmark方法进行5自由度动力学方程的求解(MATLAB uses newmark method for solving dynamic equations 5 degrees of freedom)

This function is equivalent to matlab fft2 function, but without using for loops, instead this function is implemented using matrix multiplication.

A tutorial on Principal Components Analysis

二进制删除信道下的喷泉码（LT码）的译码程序（含注释）。(under binary erasure channel，decoding process of one kind of the fountain Code (LT code)，including the Notes.)

对噪声信号中的正弦信号，通过Pisarenko谐波分解方法、Music算法和Esprit算法进行频率估计，信号源是： 其中， ， ， ； 是高斯白噪声，方差为 。使用128个数据样本进行估计。 1、用三种算法进行频率估计，独立运行20次，记录各个方法的估计值，计算均值和方差； 2、增加噪声功率，观察和分析各种方法的性能。(Sinusoidal signal in the noise signal through the Pisarenko harmonic decomposition method, Music algorithms and Esprit frequency estimation algorithm, the signal source is: where,,, a Gaussian white noise, variance. 128 data samples used to estimate. 1, with three kinds of frequency estimation algorithm, run independently 20 times, record the estimated value of each method to calculate the mean and variance 2, the increase in noise power, observation and analysis of the performance of various methods.)

说明：  本程序是数字图像矩阵数据的显示及其傅立叶变换的应用(digital image data matrix display and the application of the Fourier transform)

matlab交叉验证cross Validation，把样本集分为训练集和测试集，防止网络出现过拟合，提高网络的泛化能力和预测精度(cross Validation for matlab，to estimate the test accuracy,training accuray and validation accuracy of a neural network)