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The idea of writing this book entitled “Cognitive Networked Sensing and Big Data” started with the plan to write a briefing book on wireless distributed computing and cognitive sensing. During our research on large-scale cognitive radio network (and its experimental testbed), we realized that big ...

·认知无线电原理与应用 北京邮电大学出版社 高清PDF内容简介近几年来，国际学术界和IEEE标准化组织愈来愈对认知无线电（Cognitive Radio，CR）技术感兴趣，称其为未来无线通信领域的“下一个大事件”（Next Big了hing）。本书通过5章内容来阐述认知无线电及实现认知无线电的代表性技术途径，介绍超宽带认知无线电和IEEE 80 ...

  Who has never experienced oscillations issues when using an operational amplifier? Opampsare often used in a simple voltage follower configuration. However, this is not the bestconfiguration in terms of capacitive loading and potential risk of oscillations.Capacitive loads have a big impa ...

 MMC/SD卡以其优越的性能，在单片机嵌入式设备中得到广泛应用。将MMC/SD卡作为外部掉电存储介质应用于音频信号发生器中，通过8051F330单片机上的SPI接口，实现单片机—MMC/SD卡的存储扩展，设计了此硬件平台上的MMC/SD卡的单片机驱动程序，并给出了相应的程序代码，满足音频信号发生器的大容量存储要求。 Abstract: ...

只包括两个核心文件sha1.cpp及sha1.h 计算数据的sha1摘要。简单，好用。 由于bit endian及little endian的原因，有些计算sha1摘要的算法计算出来的结果与正确结果有差异。此源码经过测试，与RFC里列出的测试结果匹配。

ARM下 Implement matrix multiplication of 2 square matrices, with data read from an input file and printed both to the console and to an output file. &#8226 Assume a file with correct data (no garbage, characters, etc.). &#8226 you must check and provide appropriate execution for 2 extra cases, namel ...

This software designs the student result management system m ay replace the tedious low effect the manual management, has realized the result management, the information management and the curriculum manages three big cores functions.

This software designs the document management system may replace the tedious low effect the manual management, has used the c language programming, realized the document input to loan, the information management and the data compilation three big cores function

在WinCE5.0和WinCE4.2下面的Nand Flash驱动程序，支持small block和big block.

It s time for web servers to handle ten thousand clients simultaneously, don t you think? After all, the web is a big place now