Data-Analysis-and-Graphics

这个文章是关于基本matlab函数优化的讲解，新手和老手都会从中得益。(This article is about the basic matlab function optimization explanations, novices and old hands will benefit from it.)

watermaking algorithm to crypting image to images

digital system processing(generation of complex exponential sequence)

独立成分分析程序，实现独立成分分析的函数，可以再matlab中直接调用(Independent component analysis, independent component analysis functions directly call can matlab)

压缩感知重构算法中经典的一种重构算法，OMP函数算法。用迭代求最优的方法来重构原信号。(Classic Compressed sensing reconstruction algorithm , OMP function algorithm)

This program uate BER performance of OFDM systems in AWGN environment. Basically, modulation and demodulation function is supported BPSK to 64QAM.

求系统单位给定阶跃响应的性能指标（超调量，峰值时间，调整时间 .....），其中， y，t表示系统节约相应的函数值与其对应时间,函数返回的是阶跃响应的第一(正向)波峰值b1、 阶跃响应的第二(正向)波峰值b2,阶跃响应的超调量sigma,阶跃响应的衰减比n,阶跃响应的衰减率pusi 阶跃响应的衰减震荡周期T,阶跃响应的振荡频率f.(Demand system units for a given step response performance (overshoot, peak time, adjust the time .....), which, y, t that the system saves the corresponding function value and its corresponding time, the function returns the order Jump to respond to the first (positive) wave peak b1, step response of the second (positive) wave peak b2, step response overshoot sigma, step response of the attenuation ratio of n, the step response of the attenuation rate pusi step response of the decay vibration cycle T, the step response of the oscillation frequency f.)

QFSK加高斯噪声后，在0-10dB信噪比下，误码率曲线绘制(After QFSK plus Gaussian noise at 0-10dB SNR, BER curves plotted)

the Horn-schanks implemented code for matlab that represent the movement of images in multiple levels , this method is better than lucas-kannad

matlab实现自适应滤波器的仿真，包含m文件(adaptive filter matlab simulation file contains m)