K-LjiaLDA

LADT ECG Compression Algorithm 1

本程序是一个数据预处理的程序，首先通过KL变换将数据进行一次降维，然后通过LDA对数据进一步降维(This program is a data preprocessing procedure, first by a KL transform data dimensionality reduction, then the data further by LDA dimensionality reduction)

多自由度有阻尼系统的MATLAB求解代码，输入刚度，阻尼，平衡方程，自动计算结构阻尼频率和振型。(The MATLAB solution code of the damping system with multiple degrees of freedom is used to enter the stiffness, damping and equilibrium equations, and the damping frequency and vibration mode of the structure are automatically calculated.)

说明：  求最优潮流的matlab程序，可以求解pq分解法、牛顿拉夫逊法等潮流计算。(For optimal power flow matlab procedure pq decomposition method to solve, such as Newton Raphson power flow calculation.)

说明：  MATLAB的jsp和K聚类算法，试试看，不错的，谢谢(MATLAB' s jsp and K clustering algorithm, give it a try, yes, thank you)

时域波束形成实现早期乳腺肿瘤检测,采用超宽带一阶高斯波(time beamforming for early breast cancer detection by UWB )

利用平面波展开的方法计算一维光子晶体能带(The plane wave expansion method is used to calculate one-dimensional photonic crystals bandgap)

针对光伏电站独立防孤岛保护装置现有的被动式孤岛检测方法,结合电网实际需求，(The ability to detect islanding condition is a mandatory requirement for inverter-based distributed generation system. In this study, an improved islanding detection scheme is developed using the variational mode decomposition (VMD) algorithm)

基于matlab的一种图片加密算法，针对*.jpg格式的图片，稍加修改亦可以加密.png/.bmp等各种类型的图片。(a kind of encryption dealing with pictures in format .jpg based on matlab.)

说明：  基于BP神经网络，测试集辛烷值含量预测结果对比。(Based on BP neural network, the octane number prediction results of test set were compared.)