介绍了一宽带的数字锁相环的实现方法，欢迎大家踊跃下载

认知无线电的开创者Mitolar的论文，是认知无线电领域的经典-Cognitive radio Mitolar the pioneers of the papers, is a classic field of cognitive radio

实时钟 实时钟 -Real Time Clock Real Time Clock Real Time Clock Real Time Clock

该文档讲述我在电子设计大赛中的寻迹小车的研究与开发-I talk about the document in the electronic design contest in tracing the car

车身控制模块文档部分 包含工艺文件 程序模块说明-body control module contains documentation process documentation procedures module Description

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.

2nd good for the bigginer of oracle or sql

2009年全国大学生电子设计大赛B题--声音导引系统-2009 National Undergraduate Electronic Design Contest B title- the voice guidance system

这是一本C语言初学者的好书,里面有很多实例.-This is a C language beginners books, there are many examples.

NISC是实现嵌入式系统的一种新思路。

某220KV区域性变电所一次系统设计。主变为2×120MVA，电压比为220/121/10.5KV，容量比为100/100/50，本期工程一次建成，设计中留有扩建的余地。-220KV substation of a regional one system design. Main becomes 2 × 120MVA, voltage ratio 220/121/10.5KV, the capacity ratio of 100/100/50, the current project once completed, the design leaves room for expansion.