Its content is on professional communication error correction and encoding the c...

设计四 拔河游戏机 1、 设计一个能进行拔河游戏的电路。 2、 电路使用15个(或9个)发光二极管，开机后只有中间一个发亮，此即拔河的中心点。 3、 游戏双方各持一个按钮，迅速地、不断地按动，产生脉冲，谁按得快，亮点就向谁的方向移动，每按一次，亮点移动一次。 4、 亮点移到任一方终端二极管时，这一方就获胜，此时双方按钮均无作用，输出保持，只有复位后才使亮点恢复到中心。 5、 用数码管显示获胜者的盘数。 教学提示: 1、 按钮信号即输入的脉冲信号，每按一次按钮都应能进行有效的计数。 2、 用可逆计数器的加、减计数输入端分别接受两路脉冲信号，可逆计数器原始输出状态为0000，经译码器输出，使中间一只二极管发亮。 3、 当计数器进行加法计数时，亮点向右移；进行减法计数时，亮点向左移。 4、 由一个控制电路指示谁胜谁负，当亮点移到任一方终端时，由控制电路产生一个信号，使计数器停止计数。 5、 将双方终端二极管“点亮”信号分别接两个计数器的“使能”端，当一方取胜时，相应的计数器进行一次计数，这样得到双方取胜次数的显示。 6、 设置一个“复位”按钮，使亮点回到中心，取胜计数器也要设置一个“复位”按钮，使之能清零。--design a tug-of-war game, can design a game of tug of war circuit. 2, circuit use 15 (or 9), light-emitting diodes, come only among a shiny, namely, the center of tug-of-war. 3, the game with a two button rapidly and continuously pressed, have a pulse, who by fast, Who bright spots on the move, every time, a bright spot in Mobile. 4, the party moved to highlight terminal diode, on the winning side, this time the two sides had no effect buttons, to maintain output, so after only bright

介绍了基于FPGA的多功能计程车计价器的电路设计。该设计采用了可编程逻辑器件FPGA的ASIC设计，并基于超高速硬件描述语言VHDL在Xilinx公司的SpartanⅡ系列的2sc200PQ208-5芯片上编程实现了整个系统的控制部分，整个自动控制系统由四个模块构成：秒分频模块、控制模块、计量模块和译码显示模块。该设计不仅仅实现了显示计程车计费的功能，其多功能表现在它可以通过选择键选择显示计程车累计走的总路程和乘客乘载的时间。计时、计程、计费准确可靠，应用于实际当中有较好的实用价值和较高的可行性。-introduced FPGA-based multifunctional taxi meter circuit design. The design using programmable logic device FPGA ASIC design, and for the super-high-speed VHDL hardware description language in the company Xilinx Spartan II Series 2 sc 200PQ208-5 chip programming of the control system as a whole, Automatic control the entire system from four modules : a seconds-frequency module, control module, metrology modules and decoding module. The design not only achieved a taxi showed Billing functions, Multifunctional its performance through its keypad revealed taxi taking the cumulative total journey of the passengers took the set time. Program, log, billing is accurate, reliable and practical application of them have good practical value and the

可以选择中文版操作界面的电子设计自动...书中介绍如何用HQL编写Hibernate查询,如何结合使用Hibernate和基于Java的Criteria与Example。同时还详细介绍Hibernate的映射-Can choose the Chinese version of the electronic design interface automatically ... the book describes how to use Hibernate prepared HQL query, how to combine the use of Hibernate and Java-based Criteria and Example. At the same time, also gave details of Hibernate mapping

　 本书是作者使用ArcObjects进行项目开发以及在ArcObjects授课中经验的总结，能够使GIS开发人员快速领悟到ArcObjects的精髓，掌握AO开发中的关键和必要的技巧。全书共19章，分为基础篇，技巧篇和提高篇-This book is the author use ArcObjects developing projects as well as the medium of instruction in ArcObjects experience, enabling GIS developers quickly realized that the essence of ArcObjects to grasp the key to the development of AO and the necessary skills. A total of 19 book chapters, divided into the basic articles, tips articles and improve articles

用于测试网络通讯连接的简单封装类,简单易用,看即会.-for testing network communications connectivity simple Packaging category, simple and easy to do that will.

ATMega8 voltmeter AVR working in ADC

OGRE开发包的依赖包，是VS2003版本的，不能用于其它VC版本-Ogre dependence development kit package is VS2003 version, can not be used for other VC version

再matlab下面实现信号的fft变换。 是fft函数。-fft

自动基于板卡的人脸识别跟踪系统，可以直接接上USB口的摄像头直接检测人脸-automatic face recognition-based Card tracking systems that can directly connect to the USB camera directly Face Detection

这是一个用VG++写的SuperWums游戏模拟的程序。-with VG wrote SuperWums game simulation procedures.