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DTMF encoder/decoder using Goertzel algorithm and Biquad filtering

模拟退火算法也许用的人真的很少，但在数学建模的快速收敛中确实用处很大。(math contest )

说明：  关于信号输入均匀量化器的信号幅度，用MATLAB实现量化过程(Uniform quantizer on the input signal amplitude, using MATLAB to quantify the process of achieving)

这是一个emd的算法的程序，有需要的可以下载用用，比较简单的一个，希望有同道中人批评指正(This is an emd algorithm program, there is a need can be downloaded to use, relatively simple one, I hope fellow human criticized the correction)

说明：  BP神经网络算法，BP(back propagation)神经网络是一种按照误差逆向传播算法训练的多层前馈神经网络，是应用最广泛的神经网络。(BP (back propagation) neural network is a kind of multilayer feedforward neural network which is trained according to the error back propagation algorithm. It is the most widely used neural network.)

the matlab codes for sampling audio file and filtering it.

this is matlab cose for tokenize persian code

MIMO瑞丽信道,8x8，输出信号的同时输出每条信道的频率特性(MIMO Rui Lixin Road, 8x8, the output signal while the output frequency characteristics of each channel)

该代码演示了如何用最小二乘法识别方程参数(The code make use of least square method to identify equation parameters)

时间序列分析（ARIMA）建模预测的matlab代码(The matlab code of Time series analysis (ARIMA) model to predict )