fdtd-1D-2D-3D

指纹图像细节特征提取，为指纹匹配做充分的准备(fingerprint)

generic algorithm code in matlab

zzzzz_qftdemos matlab/simulink

实现了两步相移的基于随机相位掩码的图像加密和解密(To achieve a two-step phase shift mask image based on random phase encryption and decryption)

c++实现的通信录，实现添加、删除、查找、修改等功能(communications recorded c++ implemented add, delete, search, modify functions)

关于OSTBC的天线选择，采用天线选择的Alamouti STBC方案，比较BER性能，由仿真图能得出天线选择方法能够提供比预编码更多的增益。(About OSTBC antenna selection, antenna selection scheme using Alamouti STBC, compare the BER performance, can be reached by a simulation diagram antenna selection method can provide more than pre-coding gain.)

本程序实现随机数的产生和在相同调制方式下功率谱比较(the program of random number generation and modulation in the same way under the power spectral comparison)

在github上下载的回声消除程序，有文档和代码，代码有MATLAB的和stm32的，可以借鉴参考下(Refer to the following on github download echo cancellation procedures, documentation and code, the code has MATLAB and stm32 can learn)

SLEP稀疏学习算法工具，对图像进行降噪处理，有明显效果(SLEP sparse learning algorithm tool for image noise reduction, a significant effect)

GPRMAX2.0中读取geo、out文件的命令。(file command to GPRMAX2.0 in using to read geo&out file.)