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PPT
非常全的PPT元素，适合做各类报告，可以使你的ppt变得更加多元化。(PPT elements)
- 2010-06-06 23:23:23下载
- 积分：1
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SQL
本书对SQL技术的使用和发展进行了全面的讨论。全书共分六大部分，其中第一部分到第五部分分别介绍了SQL的历史和SQL标准的变化，如何使用SQL获取、更新数据，如何构造数据库结构以及如何实现数据的安全方案等，并描述了如何使用ANSI标准中的嵌入式SQL。(This book SQL technology use and development of a comprehensive discussion. The book is divided into six large part to the fifth part of the first part of which introduced the history and the SQL standard SQL changes, how to use SQL to obtain, update data, how to construct the database structure and how to implement data security programs, and describes the How to use the ANSI standard for embedded SQL.)
- 2010-03-04 00:11:47下载
- 积分：1
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energydetection
认知无线电是一种用于提高无线电通信频谱利用率的新的智能技术. 首先简述认知无线电的背景和概念,针
对认知无线电的频谱感知功能,详细地分析基于能量检测的频谱检测方法,在此基础上研究了噪声方差的不确定
性对检测性能的影响. 针对无线信号检测具有本地局域性和能量检测存在信噪比极限的特点,提出一种分布式有
限合作检测机制,推导出基于“OR”规则的有限合作机制的检测概率,并进行Monte Carlo仿真.(Cognitive radio is a radio communications spectrum used to improve the efficiency of the new smart technology. First, the background and outlined the concept of cognitive radio, spectrum sensing for cognitive radio capabilities, a detailed analysis of the spectrum based on energy detection test In this study the noise variance based on the uncertainty of the detection performance. for wireless signal detection with local detection of localized and there is signal to noise ratio limit of the energy characteristics of a distributed cooperative detection mechanism, derived out based on " OR" rules of the detection probability of the limited cooperation mechanism and conduct Monte Carlo simulation.)
- 2010-05-08 09:14:08下载
- 积分：1
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Three-phase
三相辐射型配电网络的相分量潮流计算Three-phase radial distribution network load flow calculation of phase component(Three-phase radial distribution network load flow calculation of phase component)
- 2009-10-19 12:26:47下载
- 积分：1
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Computational-Fluid-Dynamics
计算流体力学入门书籍，英文pdf，从问题模型到后处理都讲了，适合自学，已制作目录书签(Jiyuan Tu, Guan Heng Yeoh and Chaoqun Liu (Eds.)-Computational Fluid Dynamics. A Practical Approach-Butterworth Heinemann (2012))
- 2021-01-26 16:28:36下载
- 积分：1
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QAM
ofdm signal, qam modulation, transmitter, receiver
- 2018-11-28 13:39:45下载
- 积分：1
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fro
dkfhskdjh kjdshfk sdhk dskjfs dkfs fks kdfshdkjfh sfkjs dfk hskdfjh
- 2018-02-10 06:18:07下载
- 积分：1
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2402c
2402c的使用书册 详细介绍了2402c器件(2402c the use of books described in detail 2402c device)
- 2007-07-29 00:28:35下载
- 积分：1
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FIRST
第一讲
CST微波工作室的简单使用和操作训练(The first lecture CST Microwave Studio simple use and operation training)
- 2016-03-14 15:46:05下载
- 积分：1
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R数据可视化手册
本书提供了快速绘制高质量图形的150多种技巧，每个技巧用来解决一个特定的绘图需求。读者可以通过目录快速定位到自己遇到的问题，查询相应的解决方案。(This book provides more than 150 techniques for quickly drawing high quality graphics, each of which addresses a specific drawing requirement. Readers can quickly locate their own problems through the directory, query the corresponding solution.)
- 2020-06-25 16:00:02下载
- 积分：1
