kpca

一维水质模型，本程序研究一维河流的污染物扩散，短时间持续排放BOD的浓度变化规律 本程序采用中心隐式差分求解 问题t=0到t=1h偶然排放BOD 使河水断面L0=10mg/L河流平均速度5km/h 纵向弥散系数D=2km2/h BOD衰减系数k1=0.015h-1 解BOD浓度 L(x，t)(One-dimensional water quality model, the procedure of one-dimensional dispersion of pollutants in the river, a short continuous changes of the concentration of BOD emissions of the program implicit difference method with central issues t = 0 t = 1h accidental emissions to the BOD to the river section L0 = 10mg/L average speed of the river 5km/h vertical diffusion coefficient D = 2km2/h BOD decay coefficient k1 = 0.015h-1 Solution for BOD concentration L (x, t))

基于从能量谱熵的角度出发识别不同调制方式的仿真程序(包括Am、Fsk、Fm、Pm、Ask、Fsk、radar signal)(Distinguish modulation method on power entropy)

说明：  复杂网络BA模型matlab代码，返回网络图的邻接矩阵，代码中采用稀疏矩阵，极大地释放内存，提高效率。(BA model complex network matlab code, return to the network adjacency matrix, the code used in sparse matrix, which greatly release memory and improve efficiency.)

simulation of 3_phase rectifier in matlab simulink

线性递减pso程序代码，使用时更换目标函数即可(Linear decreasing pso code, replace the objective function can be used)

MATLAB语音滤波，使用MATLAB仿真模拟滤波器对语音信号进行滤波(MATLAB voice filtering, use the MATLAB simulation filter to filter the speech signal)

Matlab中文帮助文件，Matlab中文帮助文件(Chinese help file Matlab, Matlab Chinese help files)

用matalab实现一个简单的输入语音的整体信噪比和部分信噪比的比较(Matalab implemented using a simple input speech and the portion of the overall signal to noise ratio SNR comparison)

说明：  正弦波，方波，三角波三种波形的FM、PM调制解调(Modulation and Demodulation of Three Waveforms: Sine Wave, Square Wave and Triangular Wave)

MIMO-OFDM系统基于MMSE的信道估计算法，为了解MIMO-OFDM信道估计问题的提供一些入门帮助。(MMSE-based MIMO-OFDM system channel estimation algorithm for MIMO-OFDM understand the problem of channel estimation to provide some help getting started.)