The purpose of this book is to introduce the concept of the Multiple Input Multiple Output (MIMO) radio channel, which is an intelligent communication method based upon using multiple antennas. The book opens by explaining MIMO in layman’s terms to help stu- dents and people in industry working in related areas become easily familiarised with the concept. Therefore the structure of the book will be carefully arranged to allow a user to progress steadily through the chapters and understand the fundamental and mathematical principles behind MIMO through the visual and explanatory way in which they will be written. It is the intention that several references will also be provided, leading to further reading in this highly researched technology.
上传时间： 2020-05-31
上传用户：shancjb
Rapid progress in information and communications technology (ICT) induces improved and new telecommunications services and contributes greatly to society in general and to vendors and network and service providers. In addition to existing services such as telephony or leased line services, spread of the Internet, the Internet Protocol (IP) phone, and new communications services like IPTV are making great progress with the development of digital subscriber lines (DSL) and high - speed communications technologies like fi ber to the home (FTTH).
标签： Telecommunications Networks
上传时间： 2020-06-01
上传用户：shancjb
Recent advances in wireless communication technologies have had a transforma- tive impact on society and have directly contributed to several economic and social aspects of daily life. Increasingly, the untethered exchange of information between devices is becoming a prime requirement for further progress, which is placing an ever greater demand on wireless bandwidth. The ultra wideband (UWB) system marks a major milestone in this progress. Since 2002, when the FCC allowed the unlicensed use of low-power, UWB radio signals in the 3.1–10.6GHz frequency band, there has been significant synergistic advance in this technology at the cir- cuits, architectural and communication systems levels. This technology allows for devices to communicate wirelessly, while coexisting with other users by ensuring that its power density is sufficiently low so that it is perceived as noise to other users.
上传时间： 2020-06-01
上传用户：shancjb
Digital radios have undergone an astonishing evolution in the last century. Born as a set of simple and power-hungry electrical and electromechanical devices for low data rate transmission of telegraph data in the Marconi age, they have transformed, thanks to substantial advances in electronic technology, into a set of small, reliable and sophisticated integrated devices supporting broadband multimedia communications. This, however, would not have been possible unless significant progress had been made in recent decades in the field of signal processing algorithms for baseband and passband signals. In fact, the core of any modern digital radio consists of a set of algorithms running over programmable electronic hardware. This book stems from the research and teaching activities of its co-authors in the field of algorithmic techniques for wireless communications. A huge body of technical literature has accumulated in the last four decades in this area, and an extensive coverage of all its important aspects in a single textbook is impossible. For this reason, we have selected a few important topics and, for ease of reading, organized them into two parts.
标签： Communications Algorithmic Techniques Wireless
上传时间： 2020-06-01
上传用户：shancjb
The first edition as well as its forerunner of Kuffel and Abdullah published in 1970 and their translations into Japanese and Chinese languages have enjoyed wide international acceptance as basic textbooks in teaching senior under- graduate and postgraduate courses in High-Voltage Engineering. Both texts have also been extensively used by practising engineers engaged in the design and operation of high-voltage equipment. Over the years the authors have received numerous comments from the text’s users with helpful suggestions for improvements. These have been incorporated in the present edition. Major revisions and expansion of several chapters have been made to update the continued progress and developments in high-voltage engineering over the past two decades.
标签： Engineering Voltage High
上传时间： 2020-06-07
上传用户：shancjb
The continuous progress in modern power device technology is increasingly supported by power-specific modeling methodologies and dedicated simulation tools. These enable the detailed analysis of operational principles on the the device and on the system level; in particular, they allow the designer to perform trade- off studies by investigating the operation of competing design variants in a very early stage of the development process. Furthermore, using predictive computer simulation makes it possible to analyze the device and system behavior not only under regularoperatingconditions, but also at the rim of the safe-operatingarea and beyond of it, where destructive processes occur that limit the lifetime of a power system.
标签： POWERHVMOS_Devices_Compact_Modeli ng
上传时间： 2020-06-07
上传用户：shancjb
This reference design describes the design of a 3-phase AC induction vector control drive with position encoder coupled to the motor shaft. It is based on Motorola’s DSP56F805 dedicated motor control device. AC induction motors, which contain a cage, are very popular in variable speed drives. They are simple, rugged, inexpensive and available at all power ratings. progress in the field of power electronics and microelectronics enables the application of induction motors for high-performance drives, where traditionally only DC motors were applied. Thanks to sophisticated control methods, AC induction drives offer the same control capabilities as high performance four-quadrant DC drives.
标签： Reference Designer Manual Phase DRM 023 AC
上传时间： 2020-06-10
上传用户：shancjb
特别好的教程特别好的教程 Research progress in synthesis and modification of polylactic acid Research progress in synthesis and modification of polylactic acid
标签： 教程
上传时间： 2021-09-17
上传用户：陈浩
This book addresses programmer attitudes, but it’s not some kind of psychology textbook. We’ll investigate many topics, including: Source code presentation Defensive coding techniques How to debug programs effectively Good teamworking skills Managing your source code Take a quick glance through the table of contents to see exactly what’s covered. What is the rationale behind my selection of topics? I’ve been mentor- ing trainee programmers for many years, and these are the topics that have come up time and time again. I’ve also worked in the software factory for long enough to have seen the recurring problems—I address these too. If you can conquer all of these programming demons, you’ll progress from an apprentice coder to a real code craftsman.
标签： excellent practice writing Craft Code code the of
上传时间： 2021-11-09
上传用户：danix800
VIP专区-嵌入式/单片机编程源码精选合集系列（144）资源包含以下内容：1. Cypress 68013产品开发原理图.2. 在SPI 平台优化好的G.711代码,保证好用.3. 基于单片机步进电机控制正反转.4. C环境 TCON T118芯片驱动文件.5. S3C44B0X nFlash ,测试通过.6. 智能门禁系统蓄电池充电原理图.7. arm嵌入式系统plc22**ssp作spi主机实验.8. arm嵌入式系统lpc22**ssp作spi从机实验.9. arm嵌入式系统lpc22**错误的喂狗产生中断源代码.10. 适用于SED1335的24点阵中文字库。原来为打印字库.11. uc－gui方面的开发程序.12. arm_ads 程序原代码.13. arm_ads 程序调试教程.14. 一个高级培训班的内部资料,非常宝贵,读者可以掌握嵌入式基本思路.15. μITRON4.0 source code for ARM.16. vb与PLC的通讯程序 vb与PLC的通讯程序.17. usb鼠标资料,包括详细的电路原理图,以及源程序等.18. 做的一个简易的计算器.19. 此文件为ipod程序.20. 此文档为twell8816芯片资料.21. C8051F系列单片机开发与C语言编程.22. LPC240-1 详细介绍了LPC240-1各部分的硬件及其代码.23. m8 的 文件 原理与手册.24. 用于s3c2410的spi接口驱动。初学者用一定的参考价值。.25. 完全的TMS320F2812介绍.26. keil C51学习手册 内涵详细的介绍.27. 关于c++的绘图程序 with pictures show the progress of the load ce shown nboot.28. I2C IP.29. 2802 步进电机控制器.30. pci驱动开发介绍.31. 这是一个关于PCI驱动开发的开发文档资料,里面详细介绍了开发过程.32. PCI BIOS SPECIFICATION Revision 2.1版本.33. PCI BIOS SPECIFICATION Revision 2.1.34. 这是通道控制用的闸机源码.35. 控制步进电动机做正反向调速控制.36. 能用串口修改时间的时钟程序.37. 嵌入式数据库Berkeley DB-4.5.20源代码.38. lcd12864点阵液晶屏的测试代码.39. ULINK制作.40. 嵌入式经典教材初学者很适合.
上传时间： 2013-07-23
上传用户：eeworm
