在无线通信中使用跳频技术是军事通信中最主要的抗干扰手段之一, 而如果系统中能使用合适的中心频率可以快速跟踪跳频变化的带通滤波器将可以明显改善系统的抗干扰性能。文...

本文结合公交查询系统的实际需要，通过对B/S模式、JDK开发环境及工具、Web发布服务、数据库以及SQL语言的深入学习及实践，主要完成了公交查询系统的需求分析、数据库设计、应用程序设计的工作。-Based Bus inquiry system to the actual needs, through B/S mode, JDK development environment and tools, Web services, database and the SQL language in-depth study and practice completed a major transit Query System requirements analysis, database design, application design work.

这是我从网看到的，不用电平的转换IC就可以把串口TTL输入、输出的电平转换成计算机能识别的电平，原图经测试不能用，经我改进后效果很好，大家不妨一试-This is what I see from the network, not power conversion IC level can be the serial TTL input and output level into the computer to identify the level, the maximum should not have been tested, and improved by my very good , we may as well try

单片机中用汇编语言编写的8*8的键盘程序，有设计过程及代码-Microcontroller using assembly language written in 8* 8 keyboard procedures, design process and code

观察自然频率对振动模态的影响（固定阻尼系数），可对有强迫振动项 的情形进行观察，将阻尼系数和自然频率固定，选择一种 的形式，观察 对振动模态的影响。 2、对由方程刻画的单自由度阻尼系统做动画仿真，观察阻尼系数，固有频率以及强迫振动项 对弹簧振动的影响，并和振动曲线图进行对比，写出你的观察结论。 -1、To observe the natural frequency of the vibration mode of (fixed damping coefficient), may have forced vibration of items to observe the situation, the damping coefficient and natural frequency is fixed, choose a form of observation of the impact of vibration mode. 2, characterized by the equation of a single degree of freedom to do animated simulation of damping system to observe the damping coefficient, natural frequency and vibration forced vibration of the impact of spring items, and to compare and vibration curve, write your observations conclusions.

流媒体 p2p流可靠性研究 会议论文 清华大学课程指定阅读文献-Improving Resiliency of Overlay Networks for Streaming Applications_2006.pdf Improving the Fault Resilience of Overlay Multicast for Media Streaming_TPDS2007.pdf ……

这是本人毕业设计翻译的一篇英文的Data Sheet。这个芯片是一个USB转UART的芯片，需要很少的外围器件。-This is my graduation project to an English translation of the Data Sheet. This chip is a USB to UART chip, a small peripheral device.

该系统是一个比较简单的新科库存管理系统，详细内容可以见文档说明。 PS：本人是vc＋＋的初学者，希望能通过审核，加入这个大家庭，与大家共同学习进步！

本文给出了一种避免网站危机的方法,即从软件工程的角度分析了电子商务网站建设过程中的常见问题,提出利用软件工程原理来规划整个电子商务网站。-In this paper, a Web site to avoid crisis, that is, from the perspective of software engineering analysis of the construction process of e-commerce website frequently asked questions, the use of software engineering principles to plan the entire e-commerce sites.

AVS整数DCT变换和量化方法的设计和实现-AVS integer DCT transform and quantization methods of design and realize