Designofdam

说明：  一段带噪信号经过一butterworth低通滤波器后的输出，再求出其频谱！(butterworth)

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实现求圆形、三角形、矩形的面积和周长。要求和说明如下： (一) 定义接口sharp接口 (二) 通过实现接口定义Rect、Triangle、Circle的类，并且一个构造方法，并实现求面积和周长的方法（其中三角形斜边的计算公式c=Math.sqrt (width * width + height * height ) ） (Seeking to achieve circular, triangular, rectangular area and perimeter. Requirements and are described as follows: (a) define the interface sharp interfaces (two) by implementing the interface definition Rect, Triangle, Circle of class and a constructor method, and implement methods for the area and perimeter (where the hypotenuse of the triangle formula c = Math.sqrt (width* width+ height* height) ))

说明：  信号产生函数，及IIR滤波器（低通，带通，高通）(Signal generation function, IIR filter (low pass, band pass, high pass))

本程序采用迭代对输入彩色图象进行增强处理,处理速度快,效果好. (this programme is used interactive method to enhance the imput color image)

its a mat lab code for WSN-MAC

说明：  rs编码性能仿真程序,经过2PSK调制解调后的仿真(rs codeing simulation)

truetime 的初始化文件，安装时重要的系统变量设置，进行c语言和matlab联合编程的结合点(TrueTime initialization files, system variables when installing the important settings, combination of C language and MATLAB programming)

MFDFA 方法的多重分形 MATLAB程序，可用于股市分析，材料学、医学、岩石物理等领域。(The multifractal MATLAB program of the MFDFA method can be used in the field of stock market analysis, materials science, medicine, rock physics and so on.)

说明：  有限元六面体单元MATLAB代码，有限元，FEM，六面体单元，等参元(Finite element hexahedral element MATLAB code)