main0602

用matlab 生成规则的LDPC码的校验矩阵H(Matlab to generate regular LDPC code check matrix H)

递推最小二乘算法，只适合单入单出，用于建模中的参数辨识，(Recursive least squares algorithm, Single Input Single Output, parameter identification)

已调制信号计算其普相关密度，通过虚拟阵元进行DOA估计，是一种双隐层反向传播神经网络。( Modulated signals to calculate its density Pu-related, Conducted through virtual array DOA estimation, Is a two hidden layer back propagation neural network.)

对列车平稳性实验数据处理的MATLAB程序代码，涉及文件导入，时域图像绘制，数据处理，傅里叶变换，频域图像绘制，平稳性指标计算(I can t speak English.)

computation of zernike moments

可以画GPrMax探底雷达正演模拟得到的数据二维或三维的剖面图以及模型图(The radar forward simulated painting GPrMax dip data is two-dimensional or three-dimensional cross-sectional view as well as model diagram)

说明：  一段带噪信号经过一butterworth低通滤波器后的输出，再求出其频谱！(butterworth)

1. 分别用2,3,4,5阶多项式来逼近[0,3]上的正弦函数sinx，并作出拟合曲线及sinx函数曲线线图。了解多项式的逼近程度和有效拟合区间随多项式的阶数有何变化。(1. Were treated with 2,3,4,5-order polynomial approximation [0,3] The sine function sinx, and make sinx function curve fitting curve and line graphs. Understand the degree of polynomial approximation and the effective range with the polynomial fitting order of any changes.)

编制改进一次二阶矩法计算可靠指标的程序 编制改进一次二阶矩法计算可靠指标的程序(Improve the preparation of first order second moment method to calculate a reliable indicator of the program improve the preparation of first order second moment method to calculate a reliable indicator of the program)

compute the Independent component analysis (ICA) with the algorithm of infomax