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采用EM，期望最大方法，估计QPSK调制方式下的信噪比(Using EM, expectation maximization method to estimate the signal to noise ratio under QPSK modulation)

it s code about sub-band coding in matlab

FFT 快速傅里叶变换 matlab源代码(FFT)

内含两个程序：1.平移变换平移法(cycle_spinning)消除gibbs(吉布斯)效应 2.MATLAB中测试程序运行时间的函数.m(Includes two procedures: 1. Translational transform translation (cycle_spinning) Elimination gibbs (Gibbs) 2.MATLAB effect of test procedures to run a function of time. M)

视觉注意的资料罗四维老师的资料PPt，非经典感受野抑制的代码用于轮廓提取，(Luo dimensional visual information for the attention of information teachers PPt, non-classical receptive field inhibition of the code for contour extraction,)

基于边缘和局部能量的NSCT变换遥感图像融合(Adaptive multi-spectral and panchromatic images fusion algorithm based on unsubsampled contourlet transform)

this is a kmeans clustering code writen in matlab

Control chematic digram for F283335 card TI instrument

this is the code to do spectrum analysis using FFT.

MATLAB基础练习，适合初学者，画正弦波形，证明公式，设计简单滤波器等(MATLAB based exercises, suitable for beginners, painting sine to prove the formula, simple design, filters, etc.)