fuzzy-mathematics

lerning in logic prolog

matlab实现三维MUSIC算法，帮助实现数字信号处理算法理解的入门(matlab-D MUSIC algorithm implementation, digital signal processing algorithms to help achieve understanding of the entry)

以实际所测随机中子脉冲数据的自相关函数为研究对象，借助仿真实验，开展Elman神经网络对不同浓度核材料进行识别的研究。在实测数据的基础上，通过叠加随机噪声，模拟产生了不同浓度核材料的相关函数样本用于神经网络的训练与测试，实验结果表明，(Calculating the stochastic neutron pulse autocorrelation function with the actually measured data as the research object, we carry out different simulate experiments in concentration identification of varied nuclear materials using Elman neural network. Superimposing random noise on the measured data, we get correlation function samples simulating the different concentrations of nuclear material for training and testing the neural network.)

对非平稳信号进行分段、截取，再对处理过后的短时信号做短时傅里叶变换，分析其频谱特性，并找到各个时间节点的频率特性，以便分析不同事件段内的声音特征。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier transform, the analysis of the spectrum characteristics and frequency characteristics and find the different time node, in order to analyze the acoustic characteristics of different event period.)

说明：  一些matlab程序代码，在通信原理中实现一系列实验内容(Some matlab code, in communications to achieve some functional theory)

说明：  导出立方非线性器的复低通等效模型,对带通模型和LPE模型进行仿真(Export control of complex cubic nonlinear low-pass equivalent model of band-pass simulation model and the LPE model)

this file implement the conversion from decimal format to binary 2 bit format. can be used for communications simulations. implemented as a matlab function file. very easy to use

说明：  数据挖掘算法，K-means聚类算法源代码，用于聚类分析(data mining algorithms, K-means clustering algorithm source code for the cluster analysis)

Heat equation u_t=u_xx - finite difference scheme - theta method

概率数据互联算法，何友《雷达数据处理》7.3.3应用实例(The process of optimizing the algorithm can be obtained by bringing it into the calculation formula of probability data interconnection (PDA) algorithm.)