Visualization_4d

plane wave expansion for 2D and 3D photonic crystal band gap calculations

说明：  产生伪随机噪声的MATLAB程序，在通信系统仿真可以用到(produce pseudo-random noise MATLAB procedures, the communications system simulation can be used)

Neville插值的源代码，用于Matlab科学计算与数据插值，可与牛顿插值等进行比较学习，适合matlab学习者参考。(Neville interpolation source code for Matlab scientific computing and data interpolation, Newton interpolation can be compared with the study for matlab learners.)

改进的过零检测方法以及计算RMS有效值的MATLAB程序(Improved zero-crossing detection method and MATLAB program to calculate RMS value)

说明：  扩展卡尔曼滤波算法锂离子电池SOC估计中有较广泛的应用，其精度高，鲁棒性好，算法简单(The extended Kalman filtering algorithm has a wide range of applications in SOC estimation of lithium-ion batteries, with high accuracy, good robustness, and simple algorithm)

图像特征提取的总结，用MATLAB模糊聚类算法进行图像分割，阀值分割及特征提取的资料和作业。(Summary of the image feature extraction, fuzzy clustering algorithm using MATLAB for image segmentation, threshold segmentation and feature extraction of data and operations.)

For some fnc to graphics

当M=4时的，在0db、10db、20db时的情况下，在星座上观察接收到得信号，并进行分析(When M = 4 when, in the 0db, 10db, 20db circumstances at the time, observed in the constellation to receive a signal, and an analysis of)

continue for system identification

silp mode used in most examples ,according to the book writed by chen jinkun