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matlab implmentation of g.723.1

this is matlab code useful to remove noise

使用matlab语言编程解决整数规划问题(Using matlab language programming to solve the integer programming problem )

Equal area azimuthal projection

programme calculation correlation

bidirectional pv converter

灰色预测程序，预计长江污水排放量，数学建模有用(Population logistic curve modeling, population forecasting model, mathematical modeling is useful)

仿真程序用于实现DS-CDMA通信系统的仿真(Simulation simulation program for implementing the DS-CDMA communication system)

说明：  提供了稳定的自抗扰控制结构框图和仿真数据分析研究，方便学生做simulink仿真，学习自抗扰控制！(Provides stable research on the placement of ADRC control structures and simulation data analysis, which is convenient for students to do simulink simulation and learn ADRC!)

考虑两个参数的一维三角概率模型,用贝叶斯方法对其进行估计，了解贝叶斯估计方法.(Consider the two parameters of one-dimensional triangular probability model, using Bayesian methods to estimate their understand Bayesian methods.)