Digital-watermarking-algorithm-FFT

this code extract the feature from speech signal in many algorithms

Apply the Lanczos filter to a real time series, in the frequency space, i.e., using FFT which is faster than applied as a cosine filter in the time space.

Solar Charge Controller

The error is detected efficiently during the motion estimation process

apple diseas identification apple leaf

离散灰色模型的计算程序，针对小样本时间序列的预测建模。本程序输出时间响应式拟合值、拟合效果图、和各种拟合精度指标值。(Discrete gray model calculation program for small sample time series prediction modeling. The program output response time value style fitting, fitting renderings, and all kinds of fitting precision index value.)

Multirate filter design and simulation using MATLAB.

说明：  Shi-78D隐写分析算法 ，是一种非常常用的隐写分析算法的代码。(Shi-78D Steganalysis)

OFDM is using for wireless technology.This source cede used to investigate mac layer of OFDM

说明：  此程序是一个将灰度图象转化为二值图象的程序,手动选择阈值(This program is a the gray image into binary image of the program, manually select the threshold value)