digital-lowpass-filter_butter

this is another example to erettt..

matlab仿真，RSSI质心加权算法，无线定位可以，可以用！(matlab simulation, RSSI weighted centroid algorithm, wireless positioning Yes, you can use!)

AeroSim模块，提供了完整的六自由度模型，方便飞行器的建模仿真，不错的simulink工具包。(The AeroSim module provides six degree of freedom model complete, modeling and simulation convenient vehicle, good Simulink kit.)

CCSDS 131.1-O-2 ORENGE标准中的LDPC编译码误码率曲线(Error rate of LDPC based on CCSDS 131.1-O-2 ORENGE standard)

说明：  bp神经网络程序，一共有是个程序，其中有网络训练，举例应用(bp neural network program, a total of a process, including network training, for example the application of)

用于数学建模，评价类模型，层次分析法的代码(For mathematical modeling, evaluation class model, AHP code)

Perceptron Using MATLAB

this code implement a fingerprint recognition method

图像认证中的Image Hashing技术，源码最新下载自美国名校The University of Texas at Austin的Brian L. Evans教授的实验室网站 (Matlab programs for image hashing downloaded from Professor Brian L. Evans in University of Texas at Austin in USA)

说明：  simulink file to ampletude modulation and demodulation