bnb20

说明：  系统辨识与MATLAB仿真程序，是学习系统辨识很好的参考资料和参考程序(MATLAB system identification and simulation program, is a good reference for learning system identification and reference procedures)

simulation of mpsk modulation technick and demonstation of constellation in noisy arean and non-noisy

分别用中心极限定理和Box-Muller方法产生高斯噪声，用于二进制双极性基带通信系统仿真，比较其仿真运行时间及结果。(Central limit theorem and were used Box-Muller method for generating Gaussian noise for binary bipolar baseband communication system simulation, and compared the results of the simulation run time.)

这个文件是关于数学模型的，这个文件对于学习自动控制课程同学是很有用的。(This file is on the mathematical model, the file for the automatic control course students learn is useful.)

一杯沸水冷却，圆柱体模型，底面半径0.05m，高0.1m，周围温度20度，初始水温100度 方程是四维输运方程（常数a^2=k/(c*p)，k是热传导系数0.6006焦/（米*秒*度）） 初始条件：t=0时水等于100度 边界条件：1.上下壁都是自由冷却，第三类边界条件，周围温度保持在20度（H=k/h,h取1） 2.杯壁绝热，第二类边界条件 图形显示格式,取过圆柱轴的截面温度变化将其做成动画. (A cup of boiling water for cooling, the cylinder model, the bottom radius of 0.05m, the high-0.1m, an ambient temperature of 20 degrees, the initial water temperature of 100 degrees is four-dimensional transport equation equation (constant a ^ 2 = k/(c* p), k is the thermal conductivity coefficient of 0.6006 J/(m* s* degrees)) initial conditions: t = 0 when the water equivalent to 100 degrees boundary conditions: 1. up and down the wall are free cooling, the third boundary condition, the ambient temperature maintained at 20 degrees (H = k/h, h check one) 2.杯壁insulation, the second boundary condition graphical display format, check-off section of cylindrical shaft temperature change to make animation.)

A program for solving system of differential equations using runge kutta method.

岩土工程中，二值化后的膨胀土裂隙图像分行维数计算程序代码。(Image Dimension Calculation code branches)

手写体SVM分类器的设计源代码，，挺好的，可以参考(SVM Handwritten classifier design, source code, very good, can refer to .)

it will help in tranforming signals....,

时域有限差分法-2维自由空间传输电磁场分布(Finite Difference Beam Propagation Method)