57751496WLS_MM

matlab code for heart demo

小波包分析提取振动信号中的特征频率，包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，进行逐步线性回归。( Wavelet packet analysis to extract vibration signal characteristic frequency, Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm, Stepwise linear regression.)

说明：  结合李银斌同学的论文第三章，得到NUFFT算法。zl为非均匀采样值，xl为非均匀网格点，ul为与xl最近的均匀网格点。得到的zk为，均匀频谱(Non-uniform fast Fourier transform)

说明：  物元分析法由我国数学家蔡文在 20 世纪 80 年代提出． 应用物元法建立多指标评价模型，可以针对复杂问题建立形象化模型，定量化得出评价结果，从而较完整、准确地反映事物的综合水平。利用matlab编程，进行如下步骤计算：1、待判物元的确定；2、经典域、节域的确定；3、关联函数；4、综合关联度(Matter-element analysis method was put forward by Chinese mathematician Cai Wen in 1980's. Applying matter-element method to establish multi-index evaluation model can establish visualization model for complex problems and quantify the evaluation results, so as to reflect the comprehensive level of things more completely and accurately. Using MATLAB programming, the following steps are calculated: 1. determination of the subject element to be judged; 2. determination of classical domain and node domain; 3. correlation function; 4. comprehensive correlation degree)

MATLAB语言编写变步长复化梯形求积公式的算法程序（函数式M文件）(MATLAB language-based variable step-size re-trapezoidal quadrature formula of the algorithm program (functional M file))

说明：  基于 高斯白噪声信道的LT码源程序 ，喷泉码的一种(the LT source code based on Gaussian white noise channel )

Allan方差的源代码，可计算Allan方差(Allan variance)

椭圆图线拟合，输入x y，可拟合出椭圆图线(tuoyuantuxiannihe)

images and logfile messages

一份关于lmfsoved 的matlab 代码，很好用的！(A report on lmfsoved the matlab code, a very good use!)