Doppler_com

Fuzzy Kmeans clusternig

小波包分析提取振动信号中的特征频率，包括四元数的各种计算,包括随机梯度算法，相对梯度算法。( Wavelet packet analysis to extract vibration signal characteristic frequency, Including quaternion various calculations, Including stochastic gradient algorithm, the relative gradient algorithm.)

qpsk位同步源程序 包括调制解调及信道加噪等(qpsk bit synchronization source, including modulation and demodulation and channel plus noise, etc.)

计算电磁学矩量法介绍 计算电磁学3大方法之一 矩量法(Method of Moments)

线性规划及非线性规划的经典matlab代码，文件中还有PPT文件作为参考学习。(Linear programming and nonlinear programming of the classical code, the document have PPT file as a reference study.)

在matlab 2012a 下，将一段avi视频分割成序列帧，并保存。程序比较简单，就是用到了VideoReader(In matlab 2012a under the avi video into a sequence of frames, and save. Procedure is relatively simple, it is used in the VideoReader)

Voice detection using zero crossing rate and STE

分数阶傅里叶变换(Fractional Fourier Transform, FrFT)，实现线性调频(LFM)信号的参数估计(调频斜率和初始频率)。由粗到细搜索分数阶傅里叶变换的阶数。需要到网上自行下载一个工具函数frft.m.(It is about estimationg the frequency modulation rate and initial frequency of linear frequency modulation (LFM) signal using the fractional Fourier transform (FrFT).It need a function frft.m which could be found in the internet.)

求算两个时间序列的曲线相似度，相似度的绝对值越接近于1，说明两者的相似度越高。(Calculate the curve of two time series similarity, the similarity of the absolute value is closer to 1, the higher the similarity of the two.)

EBMA and HBMA using MATLAB