BP

用matlabe产生随机序列,用matlabe产生随机序列(matlab prbs,matlab prbs,matlab prbs)

空间谱估计算法 二维角度估计 矩形阵阵列信号处理 ESPRIT算法(a algrithm ESPRIT algorithm 2-d deriction finding)

对声音信号进行butter低通滤波,对录入的信号进行傅里叶变换，同时对比滤波前后，声音信号的不同(Butter sound signal low-pass filtering, of the Fourier transform of input signals, while before and after filtering, different sound signal)

本程序是用来计算导体球的电磁散射的雷达截面问题的，使用的是由MATLAB编写的(This procedure is used to calculate the electromagnetic scattering problem of radar cross section of the conductor ball, the use of MATLAB)

GMDH_main为GMDH主函数； variable_Combin为输入层初始变量选为x1,x1^2,x1*x2,x2^2,x2时的输入变量矩阵值 variable_select计算X_train训练输入数据,Y_train训练输出数据,X_test测试输入数据,Y_test测试输出数据 Combin为求变量的两两组合 Sym_Combin为求符号变量的两两组合 PE_AIC求每层各神经元的参数估计W，及训练数据在参数估计后估计的输出out_train，测试数据在参数估计后的估计输出out_test，还有与实际比较的误差平方和PESS， 以及准则值AIC sym_representation求最终的输入输出符号表达式 Criterion_value求准则值 (GMDH_main main function for the GMDH variable_Combin initial variables chosen for the input layer, x1, x1 ^ 2, x1* x2, x2 ^ 2, x2 the value of the input variable matrix calculation X_train variable_select training input data, Y_train training output data, X_test test input data, Y_test for the sake of the test output data Combin pairwise combination of variables for the sake of symbolic variables Sym_Combin pairwise combinations PE_AIC neurons find each parameter estimation of the W, and after the training data is estimated in the estimation of output out_train, test data After the parameter estimates of the output estimated out_test, also compared with the actual sum of squared errors PESS, as well as the final criterion value AIC sym_representation seek the input and output values ​ ​ of symbolic expressions Criterion_value find criteria)

双谱线插值法的程序，包含各种常见的窗函数，采样频率和采样点数可以自己设定(Double line interpolation procedures, including a variety of common window function, the sampling frequency and sampling points can be set)

可以计算当发射端未知CSI时，MIMO信道在不同SNR下的遍历容量(ergodic capacity)

例程中包含了matlab仿真的瑞利衰落信道产生，并对其分布情况也作了分析(Routines included in the matlab simulation of Rayleigh fading channel generated, and its distribution were also made by analysis)

利用MATLAB编写了stokes2求解波浪压力分布，即在动水压力分布和总压力分布，在港口海岸设计中用重要地位。(sove stokes pressure of wave)

smith chart用于微波和电磁波分析和计算，在通讯工程中有良好的应用。(smith chart used for analysis and calculation of microwave and electromagnetic waves in communication engineering has a good application.)