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  • Propagation Handbook for Wireless Communication

    Wireless means different things to different people. For this book, it Refers to the radio systems that provide point-to-point, point-to-multipoint, and Earth-space communications over transmission links that propagate outside buildings through the lower atmosphere. Wireless systems are being built that provide data transmission between computers and other devices on one’s own desk. These are part of the wireless world but not the part where, except for interference perhaps, the atmosphere has any influence. The intent of this book is to provide a description of the physical phenomena that can affect propagation through the atmosphere, present sample measurements and statistics, and provide models that system designers can use to calculate their link budgets and estimate the limitations the atmosphere may place on their design.

    標簽: Communication Propagation Handbook Wireless for

    上傳時間: 2020-05-31

    上傳用戶:shancjb

  • Wavelength Division Multiplexing

    Wavelength division multiplexing (WDM) Refers to a multiplexing and transmission scheme in optical telecommunications fibers where different wavelengths, typically emitted by several lasers, are modulated independently (i.e., they carry independent information from the transmitters to the receivers). These wavelengths are then multiplexed in the transmitter by means of passive WDM filters, and likewise they are separated or demultiplexed in the receiver by means of the same filters or coherent detection that usually involves a tunable local oscillator (laser).

    標簽: Multiplexing Wavelength Division

    上傳時間: 2020-06-01

    上傳用戶:shancjb

  • Metaheuristics+for+Intelligent+Electrical+Networks

    This book is the result of works dedicated to specific applications of metaheuristics in smart electrical grids. From electric transmission, distribution networks to electric microgrids, the notion of intelligence Refers to the ability to propose acceptable solutions in an increasingly more restrictive environment. Most often, it Refers to decision-making assisting tools designed to support all human action.

    標簽: Metaheuristics Intelligent Electrical Networks for

    上傳時間: 2020-06-07

    上傳用戶:shancjb

  • RFID+Systems

    RFID networks are currently recognized as one a research area of priority. Research activities related to RFID technology have been booming recently. A number of ongoing projects are being funded in Europe, Asia, and North America. According to leading market analysts, the development of the RFID market is projected to increase from approximately $3 billion in 2005 to $25 billion in 2015. Several countries have dedicated innovation programs to support and develop RFID systems and related technologies: the RFID initiative in Taiwan, Ubiquitous Japan and the NSF SBIR program in the USA. The EU has recently advertised its Strategic Research Roadmap concerning the Internet of Things, which first of all Refers to the RFID technology before being extended to commu- nicating devices as in M2M (Machine to Machine). In this roadmap, several application domains have been identified:

    標簽: Systems RFID

    上傳時間: 2020-06-08

    上傳用戶:shancjb

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