Introduction-to-Power-Flow-Analysis-Toolbox

采用matlab实现了GPS单点定位，包括读Ｎ文件、O文件，定位解算，坐标转换等。(Matlab achieved using GPS single point positioning, including the reading of N documents, O file, locate solver, coordinate conversion.)

说明：  用matlab将hanning窗、hamming窗、Blackman窗画在同一个图中。语音分帧，加窗，短时能量，短时过零率，端点检测(Using matlab to hanning window、hamming window and Blackman window draw in the same graph.Voice sub-frame, add windows, short-term energy, short-term zero-crossing rate, endpoint detection)

image histogram image enhancement

how to make Fourier plot

The windowed periodogram spectral estimator.用于经典谱估计方法，这是相应的matlab函数(The windowed periodogram spectral estimator)

改善数字图像质量的滤波方法研究,内有中值滤波等多种去噪方法(To improve the quality of digital image filtering method, with a median filter denoising method, etc.)

通信系统中常用的脉冲编码调制PCM的matlab源代码(PCM)

lvq vector quantization algorithm for the simulation program Matlab.

人脸识别基于主成分分析（PCA）的matlab实现，附带部分注释。(PCA achieve recognition)

在matlab下编程，实现对不同生硬的识别，效果非常好，能识别差别很小的不同声音。(At under matlab programming, implementation of different identification blunt, very good results to identify small differences in different voices.)