newtonhuan

在MATLAB环境下，实现对Lena图像的边缘提取，主要对比了Roberts、Prewitt、Sobel、Laplace四种算子的边缘提取的效果(In the MATLAB environment, to realize the Lena image edge extraction, mainly comparing Roberts, Prewitt, Sobel, Laplace edge detection operator of four results)

极为实用的TM波一阶Mur吸收边界条件编程(very practical TM wave an order Mur absorbing boundary conditions Programming)

用SVM进行声音分类的程序，自己编的，效果挺好，用的是libsvm工具箱(With the sound of SVM classification procedures, own, and the effect is very good, with the libsvm toolbox)

PID仿真程序，只需要人工修改PID参数，及根据自身情况修改模型参数就可以轻松实现PID仿真。(PID code in matlab)

SeismicLab, 免费MATLAB地震数据处理软件包，学习地震勘探的朋友们可以用来尽心科学研究。(SeismicLab, free MATLAB seismic data processing software package, learning friends seismic exploration can be used to best scientific research.)

一些MATLABLIANXI程序，帮助初学者学习 ，一些MATLABLIANXI程序，帮助初学者学习(matlab program)

说明：  16Qam在瑞利衰落下的matlab仿真，包括误码率计算以及理论分析(16Qam matlab under Rayleigh fading simulation, including calculations and theoretical analysis of bit error rate)

An efficient algorithm for identification of PIL on Solar Dynamic Observatory (SDO) Helioseismic and Magnetic Imager (HMI) magnetograms. Detailed description will appear in the paper: Volobuev, D.M. Polarity-Inversion Line Preceding X-class Flare, Solar Physics, Initial data (65 megabyte .fits magnetograms) can be downloaded from http://hmi.stanford.edu/ - Model_test_PIL_Open.m script - calculates parameters of the example(simulated S-curve) - SDO_PIL_Open.m script - identifies PIL on SDO magnetogram and calculates its parameters - 5 functions are used within these scripts

music算法准确的估算了波达角度，在不相干的情况下估算的比较准确(music algorithm accurately estimates the arrival angle estimation irrelevant in the case of more accurate)

MIMO系统V-BLAST结构关于BER的仿真，发送符号为QPSK信号，采用ZF,QR，MMSE,ML解调技术(MIMO system V-BLAST structure simulation on BER, transmission symbol is QPSK signal, using ZF, QR, MMSE, ML demodulation techniques)