extract_ecg_siganl

simulation the converter DC to DC single phase command with process of implosion

计算李雅普诺夫指数的matlab程序，文件中有使用说明，希望对大家有帮助，谢谢！不需要任何条件即可下载(Matlab program Lyapunov index calculation, the paper had used, hoping to be helpful, thank you! Do not need to download any of the conditions)

伪随机码调相来实现定距的作用，伪随机码的自相关性有很好的定距性能(the pseudo--random code)

一个角度变换程序，在处理图像时，能够对图像中某一目标进行角度变换(A point of transformation process, in dealing with image, able to image targets in terms of a transformation)

基于MATLAB的并网逆变器双闭环控制策略仿真(Double closed loop control)

一个利用半正定规划求解 SDE/MVU 非线性数据降维的算法实现，这是论文原作者提供的 MATLAB 代码。(A MATLAB implementation of the Semi-Definite Embedding (SDE) or namely Maximum Variance Unfolding (MVU) algorithm, provided by the author himself.)

读取卫星云图，并计算卷云边的长度曲率等matlab实现(Read cirrus satellite image and calculate the length of curvature, such as edge)

初步能改变难度的代码，希望对大家有效。相互学习一下(The initial difficulty of the code change and hope to everyone effectively. Learn from each other about)

无限冲击响应滤波器 (IIR) 实现，涉及一个Butterworth低通滤波器，设计指标为：在通带内频率低于0.2π时，最大衰减小于1dB；在阻带内[0.3π, π]频率区间上，最小衰减要大于15dB (An infinite impulse response filter (IIR) implementation, involves a Butterworth low-pass filter design specifications as follows: in the passband frequencies below 0.2π, the maximum attenuation is less than 1dB in the stopband [0.3π, π] frequency interval , the minimum attenuation greater than 15dB )

Least squares sinusoid fit algorithm described in IEEE Standard for Digitizing Waveform Recorders (IEEE Std 1057): Algorithm for three-parameter and four-parameter least squares fit to sinewave data using matrix operations. The algorithm is (in most cases) really quick. If the signal frequency is a guess, it has to be close to true frequency value. For further information, consult IEEE Std 1057 and/or IEEE Std 1241 documentation. Now also fits complex sinusoids i.e. phasors with noise and o