To-performs-logarthmic-transformation-of-an-image

说明：  image compression algorithm

利用平面波展开法来计算完整光子晶体能带图的两个程序，比较好用(Using the plane wave expansion method to calculate the complete photonic bandgap diagram of the two programs, seem to work better)

This is the exercise of chapter 2 of the book Digital Image Processing of Gonzalez

应用于电力系统网络的潮流计算程序，将网络参数和运行的节点功率等数据(Used in the power system network flow calculation program, the network parameters and operating power and other data nodes)

％ 用于模拟PN结中载流子的分布、电场和电势 ％ 总长为 L 的半导体截面上，左侧为 N 区，掺杂浓度 NA；右侧为 P 区，掺杂浓度为 ND ％ 假设截面积足够大( Used to simulate the PN junction carrier distribution, electric field and electric potential L total length of the semiconductor section, left for N areas, doping concentration NA the right for the P zone, doping concentration ND assumption for the cut-off an area large enough)

说明：  一些用matlab编制的智能优化算法的的测试函数程序(Some prepared to use matlab Intelligent Optimization Algorithm function test procedures)

说明：  上采样和内插，使得系统中同时出现的窄带信号和宽带信号能够采用适合本信号的采样率(On sampling and interpolation, making the system at the same time, the narrowband signals and broadband signals can be used for the signal sampling rate)

GUI de matlab para sonido

IR 8CH decoder project

matlab编写的截图小程序，适合参考学习(matlab prepared screenshot applet for reference study)