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二维笛卡尔坐标系下网格的划分，包括多重网格等。-Two-dimensional Cartesian coordinate system, the division of the grid, including the multi-grid and so on

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基于VHDL写的DS18B20的驱动，简单版本-based on VHDL write DS18B20 driven, simple version

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DS1302资料,实时时钟控制芯片.可自行记时,自动进行月份,年等调整,包括闰年和闰月-DS1302 data, real-time clock control chip. Can remember, the automatically month, year and other adjustments, including a leap year and the Leap

(1) 设计一个程序，用于根据用户输入的命令行参数数量来计算长方形、正方形、三角形的面积。如果输入的参数为一个、二个、三个则它们应分别对应正方形、长方形、三角形，如果没有参数，则通过异常处理方法现实错误消息。（用于计算面积的方法是一个重载的方法。提示：定义一个抽象的父类，并提供一个抽象的方法area(). 再派生出三个子类，重写area()方法，然后在main方法中用多态来实现具体的面积函数的调用）。-(1) design a program based on user input for the command line parameters to calculate the number of rectangular, square, triangle area. If the input parameter is one, two, three then they should correspond to a square, rectangle, triangle, without parameters, exception handling through the real error message. (Used to calculate the area is an overloaded method. Note: the definition of an abstract parent class, and provides an abstract method area (). To send birth to three sub-classes override area () method, and then in main method using multi-state to achieve a specific area of a function call).

线性自适应预测滤波算法，用于扩频通信中的窄带干扰信号的抑制，对搞窄带干扰抑制的朋友会有所帮助！-linear adaptive filter algorithm forecast for the spread spectrum communication signals in the narrow band interference suppression to engage narrowband interference suppression friends will help!

面向对象程序设计，课本中部分例题，c++环境下运行-Object-oriented programming, textbooks and some sample questions, c++ Environment running under

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