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该工程实现2fsk的载频估计，返回2fsk两个载频估计结果。(The project is estimated to achieve 2fsk carrier frequency, return 2fsk two carrier frequency estimation results.)

Atmel sensor指纹识别lib库，公司花好多钱买到的，可以参考前面的PDF文档开发自己的手机指纹识别程序(Atmel sensor fingerprint identification lib library, the company spent a lot of money to buy. can reference the PDF document in front of the development of its own cell phone fingerprint identification procedures)

设计一个名为Account类。这个类包含： （1）一个名为id的int型数据域，表示账户的身份号（默认值为0）。 （2）一个名为balance的double型数据域，表示账户余额（默认值为0）。 （3）一个名为annualInterestRate的double型数据域，保存当前年利率（默认值为0）。 （4）一个无实参构造函数，创建一个默认账户。 （5）id、balance和annualInterestRate的访问器和更改器函数。 （6）一个名为getMonthlyInterestRate（）的函数，返回月利率。 （7）一个名为withDraw的函数，从账户中支取指定金额。 （8）一个名为deposit的函数，向账户中存入指定金额。 画出类的UML图，实现类。编写一个测试程序，它创建一个Account对象，其ID为1122，账户余额为20000，年利率为4.5 。使用withDraw函数取出2500美元，使用deposit函数存入3000美元，然后输出账户余额、月利率和账户创建时间。(Design a class named Account. This class includes: (a) a named data type int id field that indicates the account identification number (default is 0). (2) a double-called balance of data fields, which means that the account balance (default is 0). (3) a double type named annualInterestRate of data fields, save the current interest rate (default is 0). (4) a no-argument constructor creates a default account. (5) id, balance and annualInterestRate access control and change control functions. (6) a named getMonthlyInterestRate () function returns a monthly rate. (7) a function named withDraw, drawn from the account specified amount. (8) a function called deposit to the account into a designated amount. Draw a UML class diagram, the implementation class. Write a test program that creates an Account object, its ID is 1122, the account balance is 20,000, an interest rate of 4.5 . Use withDraw function out $ 2,500, $ 3,000 deposit with deposit function, and then outputs the account balance, m)

VC 机房监控系统，包括一些论文资料等。(VC room monitoring system, including a number of papers information.)

各种经典PID的MATLAB程序，主要涉及温度控制，压力控制，液位控制等(All kinds of classic PID MATLAB procedures, mainly related to the temperature control, pressure control, level control, etc )

三轴加速度传感器的全套资料。应用前景广。消费电子 工业电子 都有用(Full three-axis accelerometer data. Wide application prospects. Consumer electronics industry has used electronic)

3维圆柱面，可以上下左右不同视角观看，使用上下左右方向键操作(3D Cylinder)

关于教育网站的开发和架构，采用三层架构模式，使用于多企业(Website development framework on education)

最近邻分类器是一个用来聚类的算法，可以用来对iris数据进行聚类(k-means is a neanest alogorim)

经典MFC编程书籍，MFC深入详解的第一章总结笔记(The first chapter summarizes notes of the Classic MFC book MFC in-depth explanation)