kmeans

多用户OFDM系统的子载波分配算法参考论文(Subcarrier allocation algorithm for multi-user OFDM system)

说明：  matlab code for home work rayleigh

用来计算旋转45度的矩形块的haarlike特征(Calculation rotated 45 degrees haarlike characteristics)

PULSED STRIPMAP SAR SIMULATION AND RECONSTRUCTION, u domain parameters and arrays for SAR signal, u domain parameters and arrays for compressed SAR signal, Fast-time domain parameters and arrays Resolution Parameters of Targets, SIMULATION, This code performs "narrow-bandwidth" digital spotlighting.To improve results, convert the code to "wide-bandwidth" , 2D BEAM PATTERN MATCHED FILTERING SLOW-TIME, DOPPLER SUBSAMPLING RECONSTRUCTION

Practical signal theory

训练集/测试集产生 load spectra_data.mat 随机产生训练集和测试集 temp = randperm(size(NIR,1)) 训练集——50个样本 P_train = NIR(temp(1:50),:) T_train = octane(temp(1:50),:) 测试集——10个样本 P_test = NIR(temp(51:end),:) T_test = octane(temp(51:end),:) N = size(P_test,2) 数据归一化 ( Training set/test set generation load spectra_data.mat randomly generated training set and test set temp = randperm (size (NIR, 1)) training set- 50 samples P_train = NIR (temp (1:50) ,:)' T_train = octane (temp (1:50 ),:)' test set- 10 samples P_test = NIR (temp (51: end ),:)' T_test = octane (temp (51 : end ),:)' N = size (P_test, 2) Data Normalization)

Mathematical formula

2013年全国大学生数学建模本科组B题：采用Matlab软件编程，程序易理解，类似C(2013 National Undergraduate Students' Mathematical Modeling Group B title: using Matlab software programming, the program is easy to understand, similar to the C)

说明：  小波分析从基础到高级应用的matlab源码例程~~(Wavelet analysis of matlab source routines ~ ~)

说明：  基于matlab的天线散射程序，计算其表面的感应电流 很实用的(Antenna scattering procedure based on matlab to calculate the surface of the induced current is very useful)