MATLAB6.x-for-process-signal

Star Code for signal processors. Generating a sine wave interpolated.

本程序可以实现具有较好相关性的ZC序列，其时频两域相关性很强(The program can achieve better correlation with the ZC sequence, time and frequency domain strong correlation)

说明：  在2d不光滑曲面上的射线跟踪算法，效果比较好，希望可以帮助到大家(2d surface is not smooth in the ray-tracing algorithm, the effect is good, hope you can help to)

2013年数学建模B题 功率放大器非线性特性及预失真建模的程序 可以直接测试运行 包含泰勒模型 多项式模型 神经网络模型等(2013 B title mathematical modeling and nonlinear characteristics of the power amplifier pre-distortion modeling program can be run directly test the model includes Taylor polynomial model neural network models)

创建记事本数据库，M文件可直接运行，修改文件路径(Create a Notepad database, M files can be run directly modify the file path)

(1>分析低压微电网中逆变器输出阻抗特性，采用了虚拟阻抗的控制方法对逆变器输出阻抗进行构造，又从微电网本身特点考虑，构造逆变器的输出阻抗为阻性，使得Pv/QF的反下垂控制方法可以被合理使用。 (2>对逆变器功率外环进行小信号建模，分析当输出阻抗性质发生变化时系统(1 Analysis of low voltage microgrid inverter output impedance characteristics, the control method of virtual impedance of the structure on the output impedance of the inverter, and the characteristics of micro grid is considered, the output impedance of inverter structure for resistance, the Pv/QF control method of anti sag can be reasonable use. 2 of the inverter power outer loop small signal modeling, analysis the characteristics of output impedance changes the system)

偏相关系数计算,输入为矩阵，计算任意两列的偏相关，同时控制其他列为协变量(partial correlation compute)

改进粒子群优化算法(APSO)的MATLAB源程序,这个是引入自适应权重特征的粒子群优化算法(Improved particle swarm optimization (APSO) algorithm MATLAB source, this is the introduction of the adaptive weight characteristics of particle swarm optimization algorithm )

this file is for island detection of DG. after islandig of grid DG provide it s local load and is stable. ref for this simulation: Islanding Detection and Control of Islanded Single and Two-Parallel Distributed Generation Units by Behrooz Bahrani

Digital Water Marking of images