Optical fiber wireless communications (36 resultados)

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paperback. Condición: New. Language:Chinese.Paperback.Pub Date:2023-09 Pages:184 Publisher:Science Press Wireless optical communication uses light waves as carrier waves to transmit information in free space. At the receiving end. optical signals are coupled into waveguides for transmission. which is conducive to the detection. amplification. processing. conversion and exchange of optical signals. Starting from the basic theory of electromagnetic fields. Spatial Light-Fiber Coupling Technology in Wireless Optical Commu.…

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Gebunden. Condición: New. KlappentextThe flexible, transparent fiber made by silica or plastic is known as an optical fiber. The process to transfer information between two or more points which do not use electrical conductor as a medium to perform the transfer i.

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Buch. Condición: Neu. Neuware - The flexible, transparent fiber made by silica or plastic is known as an optical fiber. The process to transfer information between two or more points which do not use electrical conductor as a medium to perform the transfer is termed as wireless communication. Optical fibres are used in communication, sensors, power transmission, optical-fibre lamps, structural health monitoring, and in various experiments of physics. Wireless communications are used in radio wireless technology, cellular telephones, headphones, headsets, data communications, peripheral and wireless energy transfer. The services permitted by wireless operations are in mobile and interplanetary communications, which are practically impossible to implement by using wires. This book contains some path-breaking studies in the field of optical fiber and wireless communications. It brings forth some of the most innovative concepts and elucidates the unexplored aspects of this field. This book will help new researchers by foregrounding their knowledge in this branch. …

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Taschenbuch. Condición: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Now the author tries to sum up the analytical technology in the electromagnetic field theory that has taken place in these several ten years, which includes the papers and materials not only from author but also from other authors. All of those have been listed in the bibliography and have been mentioned in each chapter. Obviously, the problems. are so complicated which cannot be analyzed by means of the traditional analysis, but to set up a new system to analyze the electromagnetic field based on the functional analysis. Nowadays, the functional analysis has been displaced everywhere on the high level magazine to analyze the complicated boundary value problem in the theory of electromagnetic field. However, 'the functional analysis' and 'the electromagnetic field theory' is still separated into two causes in USA and Canada. We have discussed the nonlinear phenomena in single mode fiber such as the Stimulated Raman Scattering, the Stimulated Brillouin Scattering, the Self-Focus Phenomenon, the Kerr Effect, the Four-Photon Mixture , the Nonlinear Absorption and the Soliton Transmission in a single-mode fiber. From the mathematic point of view, we have discussed the characteristic method, the per-turbation approach, the function transformation method and the inverse scattering transformation method to transform the nonlinear equations into the linear equations to get the solutions. Now, the numerical method has been widely used in the microwave devices and optical devices to do the calculation by computer. However, the analytical technology still is a powerful tool in the computer aided design. For instance, a very powerful computer aided design program named 'EESOF' from EESOF Inc. and the 'Advanced Design System' (ADS) from Agilent Inc. are mostly based on the analytical solutions. Now this software has been used widely in the world to settle down a big project with a small amount of computer time compared with that from the purely numerical method. Meanwhile, the analytical technology can provide the medelling, analytical technology and the physical meaning for the analytical solution, which encourages us to learn more analytical technology. In this book, the author: 1. Introduces the principle of functional analysis 2. Analyzes the complicated boundary value problems of the electromagnetic field based on the functional analysis. Namely, making use of the vector spaces and the operator theory to analyze the boundary value problem of the electromagnetic field in: (a) An inhomogeneous dynamic medium (b) A discrete medium and anisotropic medium (c) A nonlinear medium 3. Examines the electromagnetic field in a non-orthogonal coordinates system 4. Evaluates the electromagnetic field in an anisotropic multi-waveguides system 5. Follows the complex function to explain the conformal transformation and the Weiner-Hopf technology to analyze the field in the micro-strip waveguide and dielectric waveguide.…

Condición: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. KlappentextrnrnNow the author tries to sum up the analytical technology in the electromagnetic field theory that has taken place in these several ten years, which includes the papers and materials not only from author but also from other authors.…

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