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介绍了基于VHDL的可编程分频器在波形发生器中的应用的方法，利用这一方法， 可使波形频率在大范围内变化。

无线传感器网络白皮书，是上海中科集团出的-a book about wsn

Visual Basic.NET应用编程150例-Visual Basic.NET Application Programming 150 cases

万历十五年，也是很好的书哈-Wanli 15 years and also a very good book Kazakhstan

USB通讯说明,包含USB配置,USB电源解决方案-USB communication that includes a USB configuration, a USB power solutions

关于linux下Pthread的使用教程，共有3个pdf文件，适合初学者学习多线程编程。 -Pthread under linux on the use of guides, there are three pdf documents, for beginners learning multithreaded programming.

WinCE嵌入式系统实验指导，可供初学着使用 -WinCE Embedded System experimental guidance for the use of beginners

在现代化的工业生产设备中，有大量的数字量及模拟量的控制装置，例如电机的起停，电磁阀的开闭，产品的计数， 温度、压力、流量的设定与控制等，工业现场中的这些自动控制问题，若采用可编程序控制器( P C ) 来解决自动控制问题已成为 最有效的工具之一，本文叙述P C 控制系统设计时应该注意的问题。-In modern industrial production equipment, there are a large number of digital and analog control devices, such as motor starting stop, solenoid valve opening and closing, product count, temperature, pressure, flow and control settings such as, industrial site automatic control of these problems, the use of programmable logic controller (PC) to solve the automatic control issue has become one of the most effective tool, this article describes the design of PC control system should pay attention to.

求解距正的逆距正-solution is the inverse distance learning is

《无线通信系统仿真--C++实用模型》一书的配套源代码，里面包含了，通信系统的所有模块，对学习通信和C++有很好的借鉴