Imaging Through Turbulence
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Imaging Through Turbulence
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Author : Michael C. Roggemann
language : en
Publisher: CRC Press
Release Date : 2018-02-06
Imaging Through Turbulence written by Michael C. Roggemann and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-06 with Technology & Engineering categories.
Learn how to overcome resolution limitations caused by atmospheric turbulence in Imaging Through Turbulence. This hands-on book thoroughly discusses the nature of turbulence effects on optical imaging systems, techniques used to overcome these effects, performance analysis methods, and representative examples of performance. Neatly pulling together widely scattered material, it covers Fourier and statistical optics, turbulence effects on imaging systems, simulation of turbulence effects and correction techniques, speckle imaging, adaptive optics, and hybrid imaging. Imaging Through Turbulence is written in tutorial style, logically guiding you through these essential topics. It helps you bring down to earth the complexities of coping with turbulence.
Computational Imaging Through Atmospheric Turbulence
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Author : Stanley H. Chan
language : en
Publisher:
Release Date : 2023
Computational Imaging Through Atmospheric Turbulence written by Stanley H. Chan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with Atmospheric turbulence categories.
Since the seminal work of Andrey Kolmogorov in the early 19400́9s, imaging through atmospheric turbulence has grown from a pure scientific pursuit to an important subject across a multitude of civilian, space-mission, and national security applications. Fueled by the recent advancement of deep learning, the field is further experiencing a new wave of momentum. However, for these deep learning methods to perform well, new efforts are needed to build faster and more accurate computational models while at the same time maximizing the performance of image reconstruction. The goal of this book is to present the basic concepts of turbulence physics while accomplishing the goal of image reconstruction. Starting with an exploration of optical modeling and computational imaging in Chapter 1, the book continues to Chapter 2, discussing the essential optical foundations required for the subsequent chapters. Chapter 3 introduces a statistical model elucidating atmospheric conditions and the propagation of waves through it. The practical implementation of the Zernike-based simulation is discussed in Chapter 4, paving the way for the machine learning solutions to reconstruction in Chapter 5. In this concluding chapter, classical and contemporary trends in turbulence mitigation are discussed, providing readers with a comprehensive understanding of the field's evolution and a sense of its direction. The book is written primarily for image processing engineers, computer vision scientists, and engineering students who are interested in the field of atmospheric turbulence, statistical optics, and image processing. The book can be used as a graduate text, or advanced topic classes for undergraduates.
Adaptive Beaming And Imaging In The Turbulent Atmosphere
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Author : Vladimir Petrovich Lukin
language : en
Publisher: SPIE Press
Release Date : 2002
Adaptive Beaming And Imaging In The Turbulent Atmosphere written by Vladimir Petrovich Lukin and has been published by SPIE Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Science categories.
Due to the wide application of adaptive optical systems, an understanding of optical wave propagation in randomly inhomogeneous media has become essential, and several numerical models of individual AOS components and of efficient correction algorithms have been developed. This monograph contains detailed descriptions of the mathematical experiments that were designed and carried out during more than a decade's worth of research.
General Theory Of Light Propagation And Imaging Through The Atmosphere
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Author : T. Stewart McKechnie
language : en
Publisher: Springer Nature
Release Date : 2022-10-06
General Theory Of Light Propagation And Imaging Through The Atmosphere written by T. Stewart McKechnie and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-06 with Science categories.
This 2nd edition lays out an updated version of the general theory of light propagation and imaging through Earth’s turbulent atmosphere initially developed in the late ‘70s and ‘80s, with additional applications in the areas of laser communications and high-energy laser beam propagation. New material includes a chapter providing a comprehensive mathematical tool set for precisely characterizing image formation with the anticipated Extremely Large Telescopes (ELTS), enabling a staggering range of star image shapes and sizes; existing chapters rewritten or modified so as to supplement the mathematics with clearer physical insight through written and graphical means; a history of the development of present-day understanding of light propagation and imaging through the atmosphere as represented by the general theory described. Beginning with the rudimentary, geometrical-optics based understanding of a century ago, it describes advances made in the 1960s, including the development of the ‘Kolmogorov theory,’ the deficiencies of which undermined its credibility, but not before it had done enormous damage, such as construction of a generation of underperforming ‘light bucket’ telescopes. The general theory requires no a priori turbulence assumptions. Instead, it provides means for calculating the turbulence properties directly from readily-measurable properties of star images.
Artificial Turbulence For Imaging And Wave Propagation
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Author : John D. Gonglewski
language : en
Publisher: SPIE-International Society for Optical Engineering
Release Date : 1998
Artificial Turbulence For Imaging And Wave Propagation written by John D. Gonglewski and has been published by SPIE-International Society for Optical Engineering this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Science categories.
Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.
Orbital Angular Momentum States Of Lig
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Author : Kedar Khare
language : en
Publisher: Advances in Optics, Photonics
Release Date : 2020-12-21
Orbital Angular Momentum States Of Lig written by Kedar Khare and has been published by Advances in Optics, Photonics this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-21 with Science categories.
Orbital Angular Momentum States of Light provides an in-depth introduction to modelling of long-range propagation of orbital angular momentum (OAM) modes as well as more general structured light beams through atmospheric turbulence. Starting with angular spectrum method for diffraction and description of structured light states, the book discusses the technical details related to wave propagation through atmospheric turbulence. The review of historical as well as more recent ideas in this topical area, along with computer simulation codes, makes this book a useful reference to researchers and optical engineers interested in developing and testing of free-space applications of OAM states of light. Key Features Includes modelling of long-range propagation using the angular spectrum approach Presents basic description of turbulence propagation using single or multi-phase screen models Provides information on advanced topics such as propagation polarization of singularities through turbulence Provides discussion on the spiral phase quadrature transform and its application for robust beam engineering Includes accompanying open-source software code snippets for modelling the propagation of scalar and vector beams through turbulence
Turbulence In The Atmosphere
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Author : John C. Wyngaard
language : en
Publisher: Cambridge University Press
Release Date : 2010-01-28
Turbulence In The Atmosphere written by John C. Wyngaard and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-01-28 with Science categories.
Based on his over forty years of research and teaching, John C. Wyngaard's textbook is an excellent up-to-date introduction to turbulence in the atmosphere and in engineering flows for advanced students, and a reference work for researchers in the atmospheric sciences. Part I introduces the concepts and equations of turbulence. It includes a rigorous introduction to the principal types of numerical modeling of turbulent flows. Part II describes turbulence in the atmospheric boundary layer. Part III covers the foundations of the statistical representation of turbulence and includes illustrative examples of stochastic problems that can be solved analytically. The book treats atmospheric and engineering turbulence in a unified way, gives clear explanation of the fundamental concepts of modeling turbulence, and has an up-to-date treatment of turbulence in the atmospheric boundary layer. Student exercises are included at the ends of chapters, and worked solutions are available online for use by course instructors.
An Investigation Of Atmospheric Turbulence By Stellar Observations
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Author : Jack Lytle Bufton
language : en
Publisher:
Release Date : 1971
An Investigation Of Atmospheric Turbulence By Stellar Observations written by Jack Lytle Bufton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Astrophysics categories.
This study of the optical effects of atmospheric turbulence concentrates on the stellar observation problem. When an infinite plane wave from an incoherent stellar source is sampled by an earth-based telescope, the resultant stellar image exhibits random fluctuations in intensity, position, and size due to turbulence-induced scattering in the intervening atmosphere. One familiar aspect of this problem is the scintillation of starlight apparent to the naked eye. The central aim is to express optical statistics in terms of refractive-index structure constant which pertains to strength of turbulence along the optical path. Data is presented on stellar and meteorological observations made between fall 1968 and spring 1969 with a 0.152-meter diameter refracting telescope. Data was recorded simultaneously on the three parameters of image intensity, motion, and size. The data is interpreted in terms of the theory and used to estimate strength of turbulence. The central result is a series of profiles for refractive-index structure constant along the vertical path. These are constructed using stellar data to calculate parameters of a model.
Propagation And Imaging Through The Atmosphere
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Author :
language : en
Publisher:
Release Date : 2000
Propagation And Imaging Through The Atmosphere written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Aerosols categories.
Imaging Through The Atmosphere
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Author : James C. Wyant
language : en
Publisher:
Release Date : 1976
Imaging Through The Atmosphere written by James C. Wyant and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Science categories.