butterworth-lowpass-filter

说明：  合成孔径雷达的距离多普勒成像算法的源代码，简单易懂，适合新手与初学者。(Distance synthetic aperture radar Doppler imaging algorithm source code, easy to understand for novice and beginners.)

基于MATLAB的原理应用，此程序可实现2d的吸收边界算法，比较简单(This MATLAB M-file implements the finite-difference time-domain solution of Maxwell s curl equations over a two-dimensional Cartesian space lattice comprised of uniform square grid cells.)

this is a source code about neural networks

《MATLAB信号处理》刘波著 电子版以及全部的源代码，非常合适初学者(MATLAB signal processing _ liu electronic as well as all the source code, very suitable for beginners)

SEP [Matlab code source]: A Stable Election Protocol for clustered heterogeneous wireless sensor networks

时延估计和波束形成方法，在声源跟踪方面有用(Time delay estimation and beamforming methods, useful for tracking the sound source)

MATLAB科学计算与可视化仿真宝典代码(MATLAB simulation of Scientific Computing and Visualization Collection code)

说明：  排列熵算法是一种动力学突变检测方法，能够方便、准确的定位系统发生突变的时刻，并且对于信号的微小变化具有放大作用(Permutation entropy algorithm is a dynamic mutation detection method, which can easily and accurately locate the moment of system mutation and amplify the small change of signal)

It is Radar System design and signal prcessing code based on standard algorithm .this is vey important for biggener those who are working on Radar signal processing area.This code contain various chapter. this is basically chapter No3

用slm方法降低PAPR 支路数为2和16(Ways to reduce PAPR by slm slip number 2 and 16)