load-flow-calculation

Matlab通信系统的建模仿真 实验一 模拟通信系统的建模仿真(matlab)

滤波程序，用于信号处理中的滤波分析，希望对大家有用(very good，useful)

说明：  利用MATLAB程序实现含钙层测井识别，根据测井曲线来搜取研究区全段井的测井曲线(Calcium-containing layer using MATLAB program implements logging identification, according to the logs logs to search and seize the whole paragraph wells in the study area)

智能天线算法，阵列天线波束成形，增益对准有用信号方向，抑制干扰信号(Smart antenna matlab algorithm, linear array antenna beam forming, the alignment direction of the useful signal, interference suppression direction)

这是一个电力系统谐波检测的MATLAB仿真模型，采用的是基于瞬时无功功率理论的ip-iq法，效果很好(This is a power system harmonic detection MATLAB simulation model, based on the instantaneous reactive power theory ip-iq method, the effect is very good)

对测试信号进行emd 分解，计算其在各个频带中的能量分布(The EMD of the test signal is decomposed, and the energy distribution in each frequency band is calculated)

用Remez算法设计一个低通滤波器,分别满足性能参数: 滤波器1 滤波器2 滤波器3 采样率Fs: 20kHz 20kHz 20kHz 通带: 0-3 0-4kHz 0-5kHz 带内波纹: 0.1dB 0.1dB 0.1dB 带内衰减: 60dB 60dB 60dB (With the Remez algorithm to design a low pass filter, respectively, to meet the performance parameters: filter 1 filter 2 filter 3 of the sampling rate Fs: 20kHz 20kHz 20kHz pass band: 0-3 0-4kHz 0-5kHz in-band ripple : 0.1dB 0.1dB 0.1dB in-band attenuation: 60dB 60dB 60dB)

matlab实现计算器功能，充分体现其功能强大(matlab realize calculator function, fully embodies its powerful)

说明：  国外牛人写的串口代码，好东西大家分享，强力推荐(Foreign cattle were written serial code, good things to share with you, highly recommended)

利用该代码可进行非线性光学材料的闭孔Z扫描曲线拟合，给出材料的三阶非线性光学极化率(theoretical to closed aperture Z scan)