PF

This is a file for alphabet recognition as for accident with matlab

半车模型，考虑车辆悬架，前后俯仰等自由度，利用S函数编写(Half car model, considering vehicle suspension, front and rear elevation and other degrees of freedom, the use of S-function written)

华北电力大学高压直流输电HVDC系统，matlab仿真程序(North China Electric Power University HVDC HVDC system, matlab simulation program)

求解的长直接地金属槽和平板电容中的电场，并画出等位线分布图(Calculation of Electron Physics )

介绍单矢量水听器的基本知识，单矢量水听器信号处理基础理论及方位估计性能还有一些试验数据分析(Introduced a single vector hydrophone in basic knowledge, a single vector hydrophone based on signal processing theory and the performance of DOA estimation and some test data analysis)

无约束优化,基于黄金分割的最速下降法极小化函数(Unconstrained optimization, based on the steepest descent method minimization function)

很实用的db5小波分解程序，希望对大家有 用(Very practical db5 wavelet decomposition program, hope to have )

this code to generate parity check matrix of Low density parity check cod, and encode in order to codeword

DLC转换是数据压缩的一种方式，是一种有损压缩模式，附件为matlab实现算法的代码(DLC is a way to convert data compression is a lossy compression mode, accessories for matlab algorithm code)

input: fun x(t) t min & t max a df T = t_max-t_min fs = a*1/T 输入1：方程，xt；输入2，3：信号起始时间；输入4：选取的采样周期是信号长度倒数的倍数， 默认为50；输入5：频域分辨率，默认为0.3 输出频域信号和频域范围 为了提高fft的速度，频域信号长度是2的次方( Input: fun x (t) t min & t max a df T = t_max-t_min fs = a* 1/T Input 1: Equation XT input 2,3: signal start time input 4: select the sampling period is the reciprocal multiples of the signal length, default is 50 input 5: frequency domain resolution, default is 0.3 of the output frequency domain signal and the frequency domain in order to improve the speed of the FFT, the frequency domain signal length is a power of 2)