基于BP神经网络的电机系统的波形控制 阐述了BP神经网络模型和算法，建立了电流型交――交变频同步电动机的波形控制神经网络BP模型，并将计算结果与仿真结果作了...

快捷实现数据复制和磁盘运行,window linux-Realize fast data replication and disk run, window linux

厦门亿宝大厦PHS室内覆盖系统设计-Xiamen billion-building PHS indoor coverage system design

Doxygen 的使用简介-Doxygen the use of profiles

程序开发规则范例文件,程序开发员必读保典-Examples of documents the development of rules of procedures, procedures developers must-read Yasunori

一个不错的案例运行典范，实际操作的手册，关键步骤的说明-a good example of the operation of cases, the actual operation of the manual steps of the key

全国大学生电子设计竞赛获奖作品精选：1994-1990_11039843.rar-National Undergraduate Electronic Design Contest winning entries selected :1994-1990_11039843. Rar

图书管理 1.将各个项目子目录拷贝到硬盘上，然后可以用Visual Basic打开程序。 2.在每个项目子目录里面的sql目录里，将后缀.sql的文件打开后，拷贝到SQL Server 2000的查询分析器里。然后执行将产生需要的数据库结构。-management of a library. All projects will subdirectory copy to the hard drive, which can then be opened in Visual Basic procedures. 2. Each item inside the subdirectory sql directory of extensions. Sql open the document, copies of SQL Server 2000 inquiries analyzer Lane. Then needs arising from the implementation of the database structure.

无限网络的建模，OPNET，C语言支持。-unlimited network modeling, OPNET, C language support.

在空调系统风扇的控制中，介绍一种高效率低损耗的开关磁阻电机控制方法，-In the air-conditioning system fan control, presents a low-loss high-efficiency switched reluctance motor control method,

在电子技术中，频率是最基本的参数之一，又与许多电参量的测量方案、测量结果都有十分密切的关系，因此频率的测量就显得更为重要。测量频率的方法有多种,其中电子计数器测量频率具有精度高、使用方便、测量迅速，以及便于实现测量过程自动化等优点，是频率测量的重要手段之一。在本次毕业设计中我们选择使用单片机来制作数字频率计，并在实际制作中采用了直接测频法。利用延时产生的时基门控信号来控制闸门，通过在单位时间内计数器记录下的脉冲个数计算出输入信号的频率，最终送入LCD中显示。这样制作出来的频率计不仅可以满足设计题目的参数要求，而且具有了单片机的稳定性和成熟性，且控制能力强，是一种低成本，高可靠的设计方案。-In electronic technology, the frequency is one of the most basic parameters, but also with a number of electrical parameters of the measurement program, the measurement results have a very close relationship between the frequency of measurement, therefore it is even more important. Measurement of the frequency of a number of means, electronic measurement of the frequency counter with high precision, easy to use, rapid measurement, and measurement is easy to realize the advantages of process automation is an important means of measuring the frequency of one. Graduates in this design we have chosen to make use of single-chip digital frequency meter, and used in the actual production of a direct