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Century

  • Multimedia security: the 22nd Century approach

    Multimedia security: the 22nd Century approach

    标签: Multimedia security approach Century

    上传时间: 2016-02-26

    上传用户:waizhang

  • Animal Cell Technology - Challenges for the 21st Century

    Animal Cell Technology - Challenges for the 21st Century

    标签: Technology Challenges Century Animal

    上传时间: 2017-04-21

    上传用户:363186

  • From helping to assess the value of new medical treatments to evaluating the factors that affect ou

    From helping to assess the value of new medical treatments to evaluating the factors that affect our opinions and behaviors, analysts today are finding myriad uses for categorical data methods. In this book we introduce these methods and the theory behind them. Statistical methods for categorical responses were late in gaining the level of sophistication achieved early in the twentieth Century by methods for continuous responses. Despite influential work around 1900 by the British statistician Karl Pearson, relatively little development of models for categorical responses occurred until the 1960s. In this book we describe the early fundamental work that still has importance today but place primary emphasis on more recent modeling approaches. Before outlining

    标签: evaluating treatments the helping

    上传时间: 2014-01-25

    上传用户:jennyzai

  • The literature of cryptography has a curious history. Secrecy, of course, has always played a centra

    The literature of cryptography has a curious history. Secrecy, of course, has always played a central role, but until the First World War, important developments appeared in print in a more or less timely fashion and the field moved forward in much the same way as other specialized disciplines. As late as 1918, one of the most influential cryptanalytic papers of the twentieth Century, William F. Friedman’s monograph The Index of Coincidence and Its Applications in Cryptography, appeared as a research report of the private Riverbank Laboratories [577]. And this, despite the fact that the work had been done as part of the war effort. In the same year Edward H. Hebern of Oakland, California filed the first patent for a rotor machine [710], the device destined to be a mainstay of military cryptography for nearly 50 years.

    标签: cryptography literature has Secrecy

    上传时间: 2016-12-08

    上传用户:fxf126@126.com

  • CDMA has been quite successful as a second-generation cellular system,having achieved widespread use

    CDMA has been quite successful as a second-generation cellular system,having achieved widespread use in particular in North America and Korea by the turn of the twenty-first Century.

    标签: second-generation successful widespread achieved

    上传时间: 2017-06-23

    上传用户:liuchee

  • The software and hardware development fields evolved along separate paths through the end of the 20t

    The software and hardware development fields evolved along separate paths through the end of the 20th Century. We seem to have come full circle, however. The previously rigid hardware on which our programs run is softening in many ways. Embedded systems are largely responsible for this softening. These hidden computing systems drive the electronic products around us, including consumer products like digital cameras and personal digital assistants, office automation equipment like copy machines and printers, medical devices like heart monitors and ventilators, and automotive electronics like cruise controls and antilock brakes. Embedded systems force designers to work under incredibly tight time-tomarket, power consumption, size, performance, flexibility, and cost constraints. Many technologies introduced over the past two decades have sought to help satisfy these constraints. To understand these technologies, it is important to first distinguish the underlying embedded systems elements.

    标签: development the software hardware

    上传时间: 2017-08-15

    上传用户:cjf0304

  • CDMA+Systems+Capacity+Engineering

    Since the telephone was invented in the late nineteenth Century, there has been a steady development of telephone services, and the number of subscribers has con- tinuously increased. One of the most revolutionary developments in telephone serv- ice in the late twentieth Century was the introduction of the cellular variety of mobile phone services.

    标签: Engineering Capacity Systems CDMA

    上传时间: 2020-05-26

    上传用户:shancjb

  • Communications+Receivers

    The capability of radio waves to provide almost instantaneous distant communications without interconnecting wires was a major factor in the explosive growth of communica- tions during the 20th Century. With the dawn of the 21st Century, the future for communi- cations systems seems limitless. The invention of the vacuum tube made radio a practical and affordable communications medium. 

    标签: Communications Receivers

    上传时间: 2020-05-26

    上传用户:shancjb

  • Digital_Transformation_Information_System

    When the authors of this book asked me to write the foreword of their work on the digital enterprise, I immediately thought that it was one more document on a fashionable topic in the technology and the business world of the 21st Century often addressed by consulting firms, some of which have aspired to become experts on the subject. However, a more careful observation reveals that an issue more important than the sole subject of the digital enterprise is: “Is your company fully operational?”, because this is the real topic. 

    标签: Digital_Transformation_Informatio n_System

    上传时间: 2020-05-27

    上传用户:shancjb

  • Intelligent Communication Systems

    The information technology (IT) revolution is surely coming in this Century, just as did the agricultural and industrial revolutions that have already so enriched our lives. As the IT revolution progresses, it is expected that almost all social struc- tures and economic activities will be changed substantially

    标签: Communication Intelligent Systems

    上传时间: 2020-05-27

    上传用户:shancjb