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FOUNDATION

FOUNDATION類層次的根是NSObject類,它(和NSObject及NSCopying協議一起)定義了基本的對象屬性和行為。FOUNDATION框架的剩余部分由幾組相互關聯的類和一些獨立的類組成。有一些代表基本數據類型的類,如字符串、字節數組、用于存儲其它對象的集合類;一些代表系統信息的類,如日期類;還有一些代表系統實體的類,比如端口、線程、和進程。圖1、圖2、和圖3所示的類層次描述了這些類的邏輯分組及其繼承關系。
  • David Vernon is the Coordinator of the European Network for the Advancement of Artificial Cognitive

    David Vernon is the Coordinator of the European Network for the Advancement of Artificial Cognitive Systems and he is a Visiting Professor of Cognitive Systems at the University of Genoa. He is also a member of the management team of the RobotCub integrated working on the development of open-source cognitive humanoid robot. Over the past 27 years, he has held positions at Westinghouse Electric, Trinity College Dublin, the European Commission, the National University of Ireland Maynooth, Science FOUNDATION Ireland, and Etisalat University College. He has authored two and edited three books on computer vision and has published over eighty papers in the fields of Computer Vision, Robotics, and Cognitive Systems. His research interests include Fourier-based computer vision and enactive approaches to cognition. He is currently a Professor at Etisalat University College in Sharjah-United Arab Emirates, focusing on Masters programs by research in Computing fields.".[1]

    標簽: the Coordinator Advancement Artificial

    上傳時間: 2014-01-08

    上傳用戶:netwolf

  • VC MATLAB 混編示例 ppWizard has created this matlab調用 application for you. This application not only

    VC MATLAB 混編示例 ppWizard has created this matlab調用 application for you. This application not only demonstrates the basics of using the Microsoft FOUNDATION classes but is also a starting point for writing your application. This file contains a summary of what you will find in each of the files that make up your matlab調用 application.

    標簽: application ppWizard created MATLAB

    上傳時間: 2014-01-10

    上傳用戶:小碼農lz

  • 金蝶KFO參考手冊

    KFO(Kingdee FOUNDATION Objects)接口是金蝶軟件采用三層結構模式開發中經常使用的工具包,是金蝶的資深程序員獨立開發的K/3系統較為核心的技術模塊。

    標簽: KFO 金蝶 參考手冊

    上傳時間: 2016-08-03

    上傳用戶:pjj811981

  • A FOUNDATION in Digital Communication

    Without conceding a blemish in the first edition, I think I had best come clean and admit that I embarked on a second edition largely to adopt a more geometric approach to the detection of signals in white Gaussian noise. Equally rigorous, yet more intuitive, this approach is not only student-friendly, but also extends more easily to the detection problem with random parameters and to the radar problem

    標簽: Communication FOUNDATION Digital in

    上傳時間: 2020-05-26

    上傳用戶:shancjb

  • Cases+on+Telecommunications

    During the past two decades, technological development related to telecommuni- cation technologies has allowed organizations of all types and size to be able to de- velop effective networking applications in support of information management. Fur- thermore, telecommunication technologies combined with computer technology have created the FOUNDATION of modern information technology which has affected all as- pects of societal and organizational functions in our modern world. 

    標簽: Telecommunications Cases on

    上傳時間: 2020-05-26

    上傳用戶:shancjb

  • Digital Processing Optical Transmission

    Optical communication technology has been extensively developed over the last 50 years, since the proposed idea by Kao and Hockham [1]. However, only during the last 15 years have the concepts of communication FOUNDATION, that is, the modulation and demodulation techniques, been applied. This is pos- sible due to processing signals using real and imaginary components in the baseband in the digital domain. The baseband signals can be recovered from the optical passband region using polarization and phase diversity tech- niques, as well as technology that was developed in the mid-1980s.

    標簽: Transmission Processing Digital Optical

    上傳時間: 2020-05-27

    上傳用戶:shancjb

  • OFDM+Wireless+LANS

    Before delving into the details of orthogonal frequency division multiplexing (OFDM), relevant background material must be presented first. The purpose of this chapter is to provide the necessary building blocks for the development of OFDM principles. Included in this chapter are reviews of stochastic and random process, discrete-time signals and systems, and the Discrete Fourier Transform (DFT). Tooled with the necessary mathematical FOUNDATION, we proceed with an overview of digital communication systems and OFDM communication systems. We conclude the chapter with summaries of the OFDM wireless LAN standards currently in existence and a high-level comparison of single carrier systems versus OFDM.

    標簽: Wireless OFDM LANS

    上傳時間: 2020-05-31

    上傳用戶:shancjb

  • ESD+Circuits+and+Devices

    In the field of electricity, electrostatics, and circuit theory, there are many discoveries and accomplishments that have lead to the FOUNDATION of the field of electrostatic discharge (ESD) phenomenon. Below is a chronological list of key events that moved the field of electrostatics forward:

    標簽: Circuits Devices ESD and

    上傳時間: 2020-06-05

    上傳用戶:shancjb

  • Deploying+Raspberry+Pi+in+the+Classroom

    The Raspberry Pi has become a computing phenomenon. This single-board miniature computer, first released in February 2012 by the Raspberry Pi FOUNDATION, has grown into a series of nearly a dozen models that have sold a total of more than 10 million units in five years. Inexpensive to buy and to run, Raspberry Pi computers are great for enthusiasts, good for games, and fun for children. Raspberry Pi computers are also terrific in the classroom, enabling you to put on each desk an easily-manageable computer on which students can do everything from learning Internet use and essential office software skills, through grasping programming basics in an easy-to-learn format, to performing full-on programming in Python, Java, C, and other languages. Better yet, you can install all the software needed for those activities automatically alongside the operating system.

    標簽: Deploying Classroom Raspberry the Pi in

    上傳時間: 2020-06-06

    上傳用戶:shancjb

  • RFID AND SENSOR NETWORKS Architectures

    Radio frequency identification (RFID) technology is witnessing a recent explosion of development in both industry and academia. A number of applications include supply chain management, electronic payments, RFID passports, environmental monitoring and control, office access control, intelligent labels, target detection and tracking, port management, food production control, animal identification, and so on. RFID is also an indispensable FOUNDATION to realize the pervasive computing paradigm—“Internet of things.” It is strongly believed that many more scenarios will be identified when the principles of RFID are thoroughly understood, cheap components available, and when RFID security is guaranteed.

    標簽: Architectures NETWORKS SENSOR RFID AND

    上傳時間: 2020-06-08

    上傳用戶:shancjb

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