speech_processing_toolbox

this code invert number of a vector

脊线提取是信号处理很重要的一个项内容 这里用MATLAB语言实现了脊线的提取 (Ridge extraction is a very important signal processing items here in MATLAB language to implement the extraction ridge)

说明：  matlab例程，图形修饰界面，有数据和m文件。 (Matlab routines, graphics interface modification, data and m documents.)

d4 wavelet coefficient daubichies 1-ECG QRS detection

The Finite-Difference Time-Domain Method for Electromagnetics with MATLAB Simulations对应的二维代码，有外加电流源(The Finite-Difference Time-Domain Method for Electromagnetics with MATLAB Simulations corresponding two-dimensional code, there is additional current source)

采用EM，期望最大方法，估计QPSK调制方式下的信噪比(Using EM, expectation maximization method to estimate the signal to noise ratio under QPSK modulation)

灰色预测程序，预计长江污水排放量，数学建模有用(Population logistic curve modeling, population forecasting model, mathematical modeling is useful)

本例研究利用Matlab工具箱的BP网络仿真某系统故障的预测,假设3个故障的样本分别为(1 1 0), (0 1 1)(1 0 1), 3个故障分别编码为(1 0), (0 1), (1 1),下面利用BP工具函数设计网络,用自适应学习率算法进行BP的设计、训练和仿真。(cases using the Matlab toolbox BP network simulation of a system fault forecast Assuming three fault samples were (1 1 0), (0 1 1) (1 0 1) three failures were coded as (1 0), (0), (1), below BP network design tool function, Adaptive learning rate BP algorithm design, simulation and training.)

itoolbox 非常厉害，非常好。非常美(itoolbox is a very perfect project.)

说明：  MATLAB/simulink光伏电池建模！！！！(Photovoltaic cell modeling)