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Author: S. A. Zhevakin Publisher: ISBN: Category : Languages : en Pages : 51
Book Description
The article reviews the present state of knowledge concerning the propagation of microwaves in the earth's atmosphere. The effect of water vapor dimers and monomers as well as molecular oxygen are examined as they contribute to the total absorption coefficient. Three forms of the spectral lines are contrasted, namely that proposed by Lorentz, that proposed by Van Vleck and Weiskopf, and the form obtained from a solution of the kinetic equation. Natural atmospheric wave-guides are discussed briefly indicating why it is impractical to use them for communications. (Author).
Author: S. A. Zhevakin Publisher: ISBN: Category : Languages : en Pages : 51
Book Description
The article reviews the present state of knowledge concerning the propagation of microwaves in the earth's atmosphere. The effect of water vapor dimers and monomers as well as molecular oxygen are examined as they contribute to the total absorption coefficient. Three forms of the spectral lines are contrasted, namely that proposed by Lorentz, that proposed by Van Vleck and Weiskopf, and the form obtained from a solution of the kinetic equation. Natural atmospheric wave-guides are discussed briefly indicating why it is impractical to use them for communications. (Author).
Author: Meikang Qiu Publisher: Springer ISBN: 3319520156 Category : Computers Languages : en Pages : 602
Book Description
This book constitutes the proceedings of the First International Conference on Smart Computing and Communication, SmartCom 2016, held in Shenzhen, China, in December 2016. The 59 papers presented in this volume were carefully reviewed and selected from 210 submissions. The conference focuses on both smart computing and communications fields and aims to collect recent academic work to improve the research and practical applications.
Author: Yuei-An Liou Publisher: BoD – Books on Demand ISBN: 9537619605 Category : Science Languages : en Pages : 178
Book Description
The book is devoted to radio occultation (RO) remote sensing of the earth’s atmosphere and ionosphere as a global method of monitoring. This technique used the radio links satellite-to-satellite when a satellite-receiver setting or rising behind the earth’s atmosphere is relative to a satellite - emitter of radio waves. During setting the radio ray perigee moves through the ionosphere and ionosphere. Atmospheric and ionospheric effects arise in most cases owing to influence of a zone near the radio ray perigee and cause significant variations of the amplitude, phase, and frequency of the radio waves. These variations enable determination of the altitude profiles of temperature, pressure, refractivity, density, humidity and turbulence in the atmosphere, distribution of the electron density in the ionosphere, and the wave phenomena at different altitudes with a global coverage. The aim of this book consists of the systematic description of the different approaches, results of investigation and perspectives of the RO remote sensing as a tool for investigations of the atmosphere and ionosphere.
Author: S. A. Zhevakin
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Author: S. A. Zhevakin
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Author: Frank Atkinson Benson
Author: Meikang Qiu
Author: Yuei-An Liou
Author: United States. Central Intelligence Agency. Foreign Documents Division
Author: Henning F. Harmuth
Author: Theodore E. Kyriak