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自己写的信噪比计算工具snr2.m snr2(s2ana,fs,f0,fl,fh,bl,bh) s2ana: 待分析信号 fs:采样频率 f0:信号频率 [fl,fh]:信号能量分散带(Their signal to noise ratio calculation tool written in snr2.m snr2 (s2ana, fs, f0, fl, fh, bl, bh) s2ana: to be analyzed signal fs: sampling frequency f0: signal frequency [fl, fh]: the signal with energy dispersive)

说明：  matlab 入门的必备图书 对于初学这是十分好的教材(matlab essential book entry is very good for teaching beginners)

说明：  又是一种方式蚁群算法求解旅行商问题的MATLAB源码，可以对比出更改参数时算法效果的优劣。(Ant colony algorithm is a way of solving the traveling salesman problem MATLAB source code, you can change the parameters of the algorithm compared the effect bad. )

digital communication codes

说明：  支持向量机SVM的MATLAB实现，包括iris数据集、煤炭数据集等。(The matlab implementation of SVM, including iris data set, coal data set and so on.)

BBN802.11系统模型的Matlab代码(BBN802.11 system model of Matlab code)

说明：  语音库-爱尔兰国内大学梅努斯内部版本-结合matlab使用说明(Voice Library- University of Maynooth Ireland within the domestic version- for use with matlab)

适用的方便实用，运算简单，仅供大家参考，谢谢大家。(Practicability Convenient and practical)

几种重要的滤波器，中值滤波，fft理想低通滤波，fft高斯低通滤波(median+fft lowpass+fft guass-lowpass)

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.