12eddd

求解双heilder雷电流的微分，该电流为雷电电磁模式常用的继后回击电流，对于模式研究具有重要意义(Solving the differential double heilder lightning current, the current model used for the electromagnetic lightning subsequent return stroke current study has important significance for the mode)

基于稀疏表示的正交最小二乘法，使用的语言是matlab，应用比较广阔，设计信号处理中的信号回归，图像处理的压缩等。(Sparse representation based on orthogonal least squares method, the language used is matlab, relatively broad application, design signal processing signal return, image processing, compression and so on.)

这是使用systemgenerator的一个入门程序和范例使用matlab和system generator共同实现，并配有教学文档，清晰简单，易懂(This is an entry using systemgenerator procedures and examples using matlab and the system generator together to achieve, and with a teaching document, clear and simple and easy to understand)

matlab设计的GUI操作界面，用于超声几何声场仿真使用。非常实用(matlab GUI interface designed for the use of ultrasonic sound field simulation geometry. Very useful)

This file is GUI in MATLAB that use for load flow in the network.

21 different Space-time block codes in matlab.

matlab的源程序码 是众多功能函数的集合(matlab source code is a collection of large number of function)

DCT图像压缩算法。1.图象进行归一化 2.显示系数图象 3.重构及显示图象 4.显示误差图象 5.计算归一化图象的均方误差 (DCT image compression algorithm. 1. Images were normalized 2. Shows coefficient image 3. Reconstruction and display of images 4. Show the error images 5. Calculated normalized mean square error of image)

SCE-UA方法是模型率定中重要的模型参数全局优化算法，被广泛应用于水文模型中。(SCE-UA method is an important optimization method and can be used in the process of model calibration. )

Calendar conversiono为日历转换代码，可以将阳历转变为阴历，也可将阴历转变为阳历(Calendar conversiono for the calendar conversion code, can be transformed into the lunar solar calendar lunar calendar, also can be converted to the Gregorian calendar )