fs_neighbor

采用hopfield进行字母识别，可以识别英文字母和数字(Carried out using hopfield letter recognition, can recognize letters and numbers)

说明：  pml三维程序，8层，fdtd欢迎指正，(PML of three-dimensional procedures, 8 layer, fdtd welcome to correct me,)

说明：  大学本科数学建模培训资料，包含详尽的matlab学习过程以及怎么建模，主要ppt文档以及m文件。(Mathematical modeling of the undergraduate training materials, including detailed modeling matlab learning process and how the main ppt documents and m files.)

AR模型频谱估计，包含直接发，相关函数法，burg法(AR model spectrum estimation, including direct transmission, correlation function method, Burg method)

说明：  有各种小波包分解的程序和子程序，能够有效快速地对振动信号进行分解。(There are various wavelet packet decomposition programs and subroutines, which can decompose vibration signals effectively and quickly.)

说明：  MATLAB程序，蝙蝠算法，进行函数寻优(bat search algorithm)

产生BPSK分析信号,可以设置基本S/N比等参数,并对信号画图显示.(Analysis generated BPSK signal, you can set the basic S/N than the other parameters, and signal drawing show.)

用m语言写的最小二乘法的算法，可以直接嵌入系统中计算，简单方便(use m language to write the method of least squares algorithm, can be directly embedded systems calculation is simple and convenient)

说明：  calculator using matlab

pss model in matlab to achive system paramiter