canshu

可以实现旋转和平移图像的拼接，简单而实用。(Can achieve rotation and translation image stitching, simple and practical.)

说明：  程序清单A中收录了产生PPM-TH和PAM-DS这两个信号源的所有函数；程序清单B中收录了加性高斯白噪声（AWGN）信道建模，正交和非正交单脉冲PPM-TH接收机结构，以及反极性PAM-DS单脉冲接收机结构仿真所需的所有函数。(A list of procedures resulting in a collection of PPM-TH and PAM-DS these two signal sources all function procedure includes a list of B in the additive white Gaussian noise (AWGN) channel modeling, orthogonal and non-orthogonal single pulse PPM-TH receiver structure, as well as the anti-polarity PAM-DS monopulse receiver structure simulation all the necessary functions.)

A Simple Digital Communication Receiver_2_

In this i attached matlab code for image retrieval function by finding the distance between training and testing features and arrange it in according to ascending order.

在通信原理中，模拟信号进行抽样后，进行均匀量化。(In communication theory, sampling the analog signal uniform quantization.)

说明：  一种图像检索中纹理特征提取的方法。本文介绍了基于Gabor 滤波器和Gabor 小波变换提取纹理特征的分析方法, 以及对Gabor 小波进行了高斯归一化以提高对图像检索的速度和准确度。(An image retrieval texture feature extraction methods. This article based on Gabor filters and Gabor wavelet transform to extract texture feature analysis method, as well as Gabor Wavelet Gaussian normalized to enhance the image retrieval speed and accuracy.)

说明：  k近邻 (k nearest neighbor)

关于脉冲信号的matlab程序。包括单边衰减指数信号，正弦信号，抽样信号，矩形脉冲信号等。(matlab program about pulse signal.)

OFDM系统中，发送机的仿真程序，可以运行，已经很好的在本机上运行了，是分析OFDM系统的好的开始(OFDM system, the transmitter of the emulator, you can run, have a good run on this machine is a good start OFDM system analysis)

16qam在高斯信道下的调制解调算法分析(16qam under the Gaussian channel modulation and demodulation algorithm analysis)