5G NR: The Next Generation Wireless Access Technology follows the authors' highly celebrated books on 3G and 4G by providing a new level of insight into 5G NR. After an initial discussion of the background to 5G, including requirements, spectrum aspects and the standardization timeline, all technology features of the first phase of NR are described in detail. Included is a deta...(展开全部)

5G NR: The Next Generation Wireless Access Technology, Second Edition, follows the authors' highly celebrated books on 3G and 4G and provides a new level of insight into 5G NR. After background discussion of 5G, including requirements, spectrum aspects, and the standardization timeline, all technology features of the first phase of NR are described in detail. The book covers th...(展开全部)

With the advent of rich Internet applications, the explosion of social media, and the increased use of powerful cloud computing infrastructures, a new generation of attackers has added cunning new techniques to its arsenal. For anyone involved in defending an application or a network of systems, Hacking: The Next Generation is one of the few books to identify a variety of emerg...(展开全部)

David Dreman's name is synonymous with the term 'contrarian investing', and his contrarian strategies have been proven winners year after year. Now Dreman offers four all-new contrarian investment tactics that are sure to deliver high-percentage returns, regardless of the size of your portfolio. These tactics have resulted in Dreman's High Return Equity Fund being the leader ...(展开全部)

本书首先简要介绍了移动通信的发展历程，5G需求、网络架构、网络部署模式、CU-DU的切分；随后分析了5G的频谱和信道安排，以及帧结构、物理层资源和序列的产生；通过举例和图形展现的方式详细分析了5G NR下行物理信道和信号，5G NR上行物理信道和信号；zui后，详细介绍了5G NR的物理层过程，包括小区初始搜索过程、随机接入过程、波束管理过程和UE上报CSI的过程。本书内容丰富，资料翔实，架构清晰，论述严谨，特别提炼了7个章节的内容概要一览彩图，适合从事5G无线网络规划、优化的相关人员参考学习，也可供大专院校通信专业的师生阅读。

Here, for the first time, is a collection of short speeches by the charismatic doctor and social activist Paul Farmer. One of the most passionate and influential voices for global health equity and social justice, Farmer encourages young people to tackle the greatest challenges of our times. Engaging, often humorous, and always inspiring, these speeches bring to light the brill...(展开全部)

Here, for the first time, is a collection of short speeches by the charismatic doctor and social activist Paul Farmer. One of the most passionate and influential voices for global health equity and social justice, Farmer encourages young people to tackle the greatest challenges of our times. Engaging, often humorous, and always inspiring, these speeches bring to light the brill...(展开全部)

It has been said that the natural state of science fiction is the short story. If that is so, you won't find a better exploration of that state than Charles Stross's new collection. Centred around the HUGO-nominated novella Palimpsest, and including the Locus Award-winning Missile Gap, Wireless is an essential collection for anybody who enjoys cutting edge SF, and will illustra...(展开全部)

It has been said that the natural state of science fiction is the short story. If that is so, you won't find a better exploration of that state than Charles Stross's new collection. Centred around an original and previously unpublished novella, 'Palimpsest', WIRELESS is a showcase of some of the best short SF of the 21st century. With an introduction from the author and contain...(展开全部)

主编赵中建，为华东师范大学教育部人文社会科学重点研究基地华东师范大学课程与教学研究所研究人员，国际与比较教育研究所教授、博士生导师，兼任国家基础教育课程与教学改革专家委员会委员,国内早系统研究中小学STEM教育的教育研究人员。