radon

SAR range-poppler algorithm

本压缩包是关于二进制ASK调制方式的MATLAB实现，大家可以试一下。(This zip is a modulation of imply 2ASK,and everyone can have a try.)

simple but incomplete backpropagation

说明：  Matlab语言在数字语音处理上的应用。(Matlab language in the digital voice processing applications.)

PCA(主成分分析)的MATLAB源代码，包含测试例子及使用文档，该算法主要用于图像分类时特征的降维。(PCA (Principal Component Analysis) of the MATLAB source code, including test case and use the document, the algorithm is mainly used for image classification and feature dimensionality reduction.)

对一个调查样本绘制计数的频率分布图.要求输入的样本事先由小到大排好序。(to make a frequency distribution table for a sample)

U盘控制芯片CH331,CH331 是一个小容量U 盘的控制芯片，只要外加一个串行存储器芯片，就可以实现2KB 到512KB 的小容量U 盘。(U disk controller IC CH331, CH331 is a small-capacity USB control chip, As long as plus a serial memory chips, we would achieve 2 KB to 512 KB of small U disk capacity.)

code qpsk for qpsk semilogy

介绍了simulink 构建BP神经网络模型(Introduced the BP neural network model building simulink)

说明：  基于matlab颜色特征图像检索的颜色特征的提取(Matlab color feature based on the color image retrieval feature extraction)