mathematical-modeling

说明：  运用Matlab模拟波动光光学的实验现象，包括小孔衍射，单缝衍射，双缝衍射，分振幅，分波面干涉，以及多光路干涉。(Matlab simulation of fluctuations in the use of optics experiments, including holes diffraction, single-slit diffraction, double-slit diffraction, sub-amplitude, sub-wave-front interference, and a number of optical interference.)

这是对音频新训好进行bch编码后加入噪声的程序(This is the new audio training good for BCH joined noise coding procedures)

巴特沃斯滤波器设置，自行设置阶数、截止频率等滤波器参数(butter-worth filter)

数值方法计算传热问题实例 边长为200×200mm的二维矩形材料内的稳态温度分布。上侧和左侧维持恒壁温；下侧为绝热；右侧为对流换热条件。具体参数为： 材料的导热系数=20w/m• k； 上侧温度t1=100℃ 右侧流体温度tf=20℃ 表面传热系数 h分别为1w/m2• k和100 w/m2• k 左侧温度t2=20℃ 下侧绝热(Numerical method to calculate the heat transfer problem instance side of 200 × 200mm rectangular two-dimensional steady-state temperature distribution within the material. On the left side and to maintain constant wall temperature lower side of insulation the right side of the convective heat transfer conditions. Specific parameters are: thermal conductivity of the material = 20w/m • k on the side of the temperature t1 = 100 ℃ right side of the fluid temperature tf = 20 ℃ surface heat transfer coefficient h were 1w/m2 • k and 100 w/m2 • k temperature t2 = 20 ℃ left side of the insulation under)

维纳滤波语音增强算法:语音增强算法的维纳滤波器，通过scalart 1996提出的实现。使用一个决策指导的方法跟踪的先验信噪比。请注意，该信号的第一0.25sec用于模型的噪声，即，它是假定的演讲之后，0.25sec开始(Wiener Filter for Noisy Speech Enhancement, implemented as proposed by Scalart 1996. Uses a decision directed method to track the a priori SNR. Note that the first 0.25sec of the signal is used to model the noise, that is, it is assumed that speech starts after that 0.25sec)

PSK调制信号生成，本程序针对多种类型的成形滤波器(PSK modulated signal generation, the program for a variety of types of shaping filter)

自己编写MATLAB函数，实现对数字图像的缩放处理，采用双线性插值，可缩放彩色或灰度图像。 (Write your own MATLAB function to achieve the digital image scaling, bilinear interpolation, scalable color or grayscale images.)

峭度相关最大化解卷积（MCKD），可以用来设计滤波器，提取噪声背景下的冲击成分(maximum related Kurtosis deconvolution (MCKD), can be used to design a filter to extract the impact of background noise component)

3gpp信道模型matlab仿真有m文件源码 方便学习3g信道相关(3gpp channel model has m file matlab simulation source code to facilitate learning 3g channel correlation)

SECANT法求解一个连续方程，f(x) = 0，给两个初始值( SECANT ALGORITHM 2.4 To find a solution to the equation f(x) = 0 given initial approximations p0 and p1: INPUT: initial approximation p0, p1 tolerance TOL maximum number of iterations N0. OUTPUT: approximate solution p or a message that the algorithm fails.)