total_cost

关于主成分分析方法的主元选取方法“广义重构误差方差法”（Generalized VRE）的MATLAB仿真代码。(Principal component analysis on the primary unit selection method " generalized reconstruction error variance method" (Generalized VRE) MATLAB simulation code.)

西门子公司关于模块化多电平的原理介绍paper，讲解的很不错(helpful principle paper of a multi level converter from Siemens )

快速FFT的算法,在做数字信号处理时，需要做频谱分析时需要用到的快速傅里叶变换的算法。(Fast FFT algorithm)

This matlab code implements region growing image segmentation.

利用支持向量机和PCA技术设计人脸识别系统，并作出GUI界面便于理解程序，同时增加可视化。并附带ORL人脸库(Face recognition system with GUI is easy to understand,designed based on SVM and PCA technologies. The file also has ORL face .)

abs 绝对值、模、字符的ASCII码值 acos 反余弦 acosh 反双曲余弦 acot 反余切 acoth 反双曲余切 acsc 反余割 acsch 反双曲余割 align 启动图形对象几何位置排列工具 all 所有元素非零为真 angle 相角 ans 表达式计算结果的缺省变量名 any 所有元素非全零为真 area 面域图 argnames 函数M文件宗量名 asec 反正割 asech 反双曲正割 asin 反正弦

符号定时，求得单个OFDM符号的开始和结束的精确时刻通过计算接收信号和已互参考的相关系数实现。(Symbol timing to obtain a single OFDM symbol of the beginning and end of the precise moment by calculating the received signal and each reference to realize the correlation coefficient.)

two-section dual-band Chebyshev impedance transformer

rayleigh信道仿真rayleigh信道仿真(rayleigh channel simulation )

说明：  一个完整的OFDM仿真程序，和大家共享下，希望大家能从中受益！(A complete OFDM simulation program, and share, I hope everyone can benefit!)