Azimuthal Walsh Filters

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Azimuthal Walsh Filters

Author : Indrani Bhattacharya
Publisher : Springer Nature
ISBN 13 : 9811560994
Total Pages : 114 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Azimuthal Walsh Filters by : Indrani Bhattacharya

Download or read book Azimuthal Walsh Filters written by Indrani Bhattacharya and published by Springer Nature. This book was released on 2020-08-13 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores the possibility of using azimuthal Walsh filters as an effective tool for manipulating far-field diffraction characteristics near the focal plane of rotationally symmetric imaging systems. It discusses the generation and synthesis of azimuthal Walsh filters, and explores the inherent self-similarity presented in various orders of these filters, classifying them into self-similar groups and sub-groups. Further, it demonstrates that azimuthal Walsh filters possess a unique rotational self-similarity exhibited among adjacent orders. Serving as an atlas of diffraction phenomena with pupil functions represented by azimuthal Walsh filters of different orders, this book describes how orthogonality and self-similarity of these filters could be harnessed to sculpture 2D and 3D light distributions near the focus.

Progress in Optomechatronic Technologies

Author : Amalia Martínez-García
Publisher : Springer Nature
ISBN 13 : 9813296321
Total Pages : 190 pages
Book Rating : 4.8/5 (132 download)

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Book Synopsis Progress in Optomechatronic Technologies by : Amalia Martínez-García

Download or read book Progress in Optomechatronic Technologies written by Amalia Martínez-García and published by Springer Nature. This book was released on 2019-10-11 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers high-quality papers presented at the International Symposium on Optomechatronic Technology (ISOT 2018), which was organized by the International Society for Optomechatronics (ISOM) and Centro de Investigaciones en Óptica (CIO) in Cancun, Mexico on November 5–8, 2018. The respective papers address the evolution of optomechatronic devices and systems, and their implementation in problem-solving and various other applications. Moreover, they cover a broad range of topics at the interface of optical, mechanical and electrical technologies and methods.

Progress in Optomechatronics

Author : Indrani Bhattacharya
Publisher : Springer Nature
ISBN 13 : 9811564671
Total Pages : 175 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Progress in Optomechatronics by : Indrani Bhattacharya

Download or read book Progress in Optomechatronics written by Indrani Bhattacharya and published by Springer Nature. This book was released on 2020-09-21 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents peer-reviewed articles from the 20th International Symposium on Optomechatronic Technologies (ISOT 2019), held in Goa, India. The symposium brought together students, researchers, professionals, and academicians in the field of optomechatronics and related areas on a common platform conducive to academic interaction with business professionals.

Self-similarity in Walsh Functions and in the Farfield Diffraction Patterns of Radial Walsh Filters

$Download Self-similarity in Walsh Functions and in the Farfield Diffraction Patterns of Radial Walsh Filters PDF Online Free$

Author : Lakshminarayan Hazra
Publisher : Springer
ISBN 13 : 9811028095
Total Pages : 89 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Self-similarity in Walsh Functions and in the Farfield Diffraction Patterns of Radial Walsh Filters by : Lakshminarayan Hazra

Download or read book Self-similarity in Walsh Functions and in the Farfield Diffraction Patterns of Radial Walsh Filters written by Lakshminarayan Hazra and published by Springer. This book was released on 2017-06-09 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book explains the classification of a set of Walsh functions into distinct self-similar groups and subgroups, where the members of each subgroup possess distinct self-similar structures. The observations on self-similarity presented provide valuable clues to tackling the inverse problem of synthesis of phase filters. Self-similarity is observed in the far-field diffraction patterns of the corresponding self-similar filters. Walsh functions form a closed set of orthogonal functions over a prespecified interval, each function taking merely one constant value (either +1 or −1) in each of a finite number of subintervals into which the entire interval is divided. The order of a Walsh function is equal to the number of zero crossings within the interval. Walsh functions are extensively used in communication theory and microwave engineering, as well as in the field of digital signal processing. Walsh filters, derived from the Walsh functions, have opened up new vistas. They take on values, either 0 or π phase, corresponding to +1 or -1 of the Walsh function value.

Encyclopedia of Modern Optics

Author : Bob D. Guenther
Publisher : Academic Press
ISBN 13 : 0128149825
Total Pages : 2253 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Encyclopedia of Modern Optics by : Bob D. Guenther

Download or read book Encyclopedia of Modern Optics written by Bob D. Guenther and published by Academic Press. This book was released on 2018-02-14 with total page 2253 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Encyclopedia of Modern Optics, Second Edition, Five Volume Set provides a wide-ranging overview of the field, comprising authoritative reference articles for undergraduate and postgraduate students and those researching outside their area of expertise. Topics covered include classical and quantum optics, lasers, optical fibers and optical fiber systems, optical materials and light-emitting diodes (LEDs). Articles cover all subfields of optical physics and engineering, such as electro-optical design of modulators and detectors. This update contains contributions from international experts who discuss topics such as nano-photonics and plasmonics, optical interconnects, photonic crystals and 2D materials, such as graphene or holy fibers. Other topics of note include solar energy, high efficiency LED’s and their use in illumination, orbital angular momentum, quantum optics and information, metamaterials and transformation optics, high power fiber and UV fiber lasers, random lasers and bio-imaging. Addresses recent developments in the field and integrates concepts from fundamental physics with applications for manufacturing and engineering/design Provides a broad and interdisciplinary coverage of specialist areas Ensures that the material is appropriate for new researchers and those working in a new sub-field, as well as those in industry Thematically arranged and alphabetically indexed, with cross-references added to facilitate ease-of-use

Advances in Optical Science and Engineering

Author : Vasudevan Lakshminarayanan
Publisher : Springer
ISBN 13 : 8132223675
Total Pages : 620 pages
Book Rating : 4.1/5 (322 download)

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Book Synopsis Advances in Optical Science and Engineering by : Vasudevan Lakshminarayanan

Download or read book Advances in Optical Science and Engineering written by Vasudevan Lakshminarayanan and published by Springer. This book was released on 2015-06-02 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Proceedings of First International Conference on Opto-Electronics and Applied Optics 2014, IEM OPTRONIX 2014 presents the research contributions presented in the conference by researchers from both India and abroad. Contributions from established scientists as well as students are included. The book is organized to enable easy access to various topics of interest. The first part includes the Keynote addresses by Phillip Russell, Max Planck Institute of the Light Sciences, Erlangen, Germany and Lorenzo Pavesi, University of Trento, Italy. The second part focuses on the Plenary Talks given by eminent scientists, namely, Azizur Rahman, City University London, London; Bishnu Pal, President, The Optical Society of India; Kamakhya Ghatak, National Institute of Technology, Agartala; Kehar Singh, Former Professor, India Institute of Technology Delhi; Mourad Zghal, SUPCOM, University of Carthage, Tunisia; Partha Roy Chaudhuri, IIT Kharagpur; S K. Bhadra, CSIR-Central Glass and Ceramic Research Institute, Kolkata; Sanjib Chatterjee, Raja Ramanna Centre for Advanced Technology, Indore; Takeo Sasaki, Tokyo University, Japan; Lakshminarayan Hazra, Emeritus Professor, University of Calcutta, Kolkata; Shyam Akashe, ITM University, Gwalior and Vasudevan Lakshminarayanan, University of Waterloo, Canada. The subsequent parts focus on topic-wise contributory papers in Application of Solar Energy; Diffraction Tomography; E.M. Radiation Theory and Antenna; Fibre Optics and Devices; Photonics for Space Applications; Micro-Electronics and VLSI; Nano-Photonics, Bio-Photonics and Bio-Medical Optics; Non-linear Phenomena and Chaos; Optical and Digital Data and Image Processing; Optical Communications and Networks; Optical Design; Opto-Electronic Devices; Opto-Electronic Materials and Quantum Optics and Information Processing.

Analog and Digital Resonant Sequency Filters for Walsh Functions

Author : Donald Lee Moon
Publisher :
ISBN 13 :
Total Pages : 320 pages
Book Rating : 4.:/5 (118 download)

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Book Synopsis Analog and Digital Resonant Sequency Filters for Walsh Functions by : Donald Lee Moon

Download or read book Analog and Digital Resonant Sequency Filters for Walsh Functions written by Donald Lee Moon and published by . This book was released on 1974 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Walsh Filter Techniques

Author : Dale Martin Walsh
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (248 download)

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Book Synopsis Walsh Filter Techniques by : Dale Martin Walsh

Download or read book Walsh Filter Techniques written by Dale Martin Walsh and published by . This book was released on 1970 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mapping Hacks

Author : Schuyler Erle
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1491951656
Total Pages : 564 pages
Book Rating : 4.4/5 (919 download)

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Book Synopsis Mapping Hacks by : Schuyler Erle

Download or read book Mapping Hacks written by Schuyler Erle and published by "O'Reilly Media, Inc.". This book was released on 2005-06-09 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the dawn of creation, man has designed maps to help identify the space that we occupy. From Lewis and Clark's pencil-sketched maps of mountain trails to Jacques Cousteau's sophisticated charts of the ocean floor, creating maps of the utmost precision has been a constant pursuit. So why should things change now?Well, they shouldn't. The reality is that map creation, or "cartography," has only improved in its ease-of-use over time. In fact, with the recent explosion of inexpensive computing and the growing availability of public mapping data, mapmaking today extends all the way to the ordinary PC user.Mapping Hacks, the latest page-turner from O'Reilly Press, tackles this notion head on. It's a collection of one hundred simple--and mostly free--techniques available to developers and power users who want draw digital maps or otherwise visualize geographic data. Authors Schuyler Erle, Rich Gibson, and Jo Walsh do more than just illuminate the basic concepts of location and cartography, they walk you through the process one step at a time.Mapping Hacks shows you where to find the best sources of geographic data, and then how to integrate that data into your own map. But that's just an appetizer. This comprehensive resource also shows you how to interpret and manipulate unwieldy cartography data, as well as how to incorporate personal photo galleries into your maps. It even provides practical uses for GPS (Global Positioning System) devices--those touch-of-a-button street maps integrated into cars and mobile phones. Just imagine: If Captain Kidd had this technology, we'd all know where to find his buried treasure!With all of these industrial-strength tips and tools, Mapping Hacks effectively takes the sting out of the digital mapmaking and navigational process. Now you can create your own maps for business, pleasure, or entertainment--without ever having to sharpen a single pencil.

Progress in Optomechatronics

Author : Indrani Bhattacharya
Publisher : Springer
ISBN 13 : 9789811564666
Total Pages : 167 pages
Book Rating : 4.5/5 (646 download)

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Book Synopsis Progress in Optomechatronics by : Indrani Bhattacharya

Download or read book Progress in Optomechatronics written by Indrani Bhattacharya and published by Springer. This book was released on 2020-10-23 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents peer-reviewed articles from the 20th International Symposium on Optomechatronic Technologies (ISOT 2019), held in Goa, India. The symposium brought together students, researchers, professionals, and academicians in the field of optomechatronics and related areas on a common platform conducive to academic interaction with business professionals.

Integrated Ring Resonators

Author : Dominik G. Rabus
Publisher : Springer
ISBN 13 : 3540687882
Total Pages : 270 pages
Book Rating : 4.5/5 (46 download)

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Book Synopsis Integrated Ring Resonators by : Dominik G. Rabus

Download or read book Integrated Ring Resonators written by Dominik G. Rabus and published by Springer. This book was released on 2007-04-26 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: The optical filter is resonator based. The required passband shape of ring resonator-filters can be custom designed by the use of configurations of various ring coupled resonators. This book describes the current state-of-the-art on these devices. It provides an in-depth knowledge of the simulation, fabrication and characterization of ring resonators for use as example filters, lasers, sensors.

A Walsh-Domain Adaptive Filter

Author : Larry J. Duvall (CAPT, USAF.)
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (132 download)

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Book Synopsis A Walsh-Domain Adaptive Filter by : Larry J. Duvall (CAPT, USAF.)

Download or read book A Walsh-Domain Adaptive Filter written by Larry J. Duvall (CAPT, USAF.) and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Plasmonics in Biology and Medicine

Author : Tuan Vo-Dinh
Publisher : Society of Photo Optical
ISBN 13 : 9780819452351
Total Pages : 160 pages
Book Rating : 4.4/5 (523 download)

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Book Synopsis Plasmonics in Biology and Medicine by : Tuan Vo-Dinh

Download or read book Plasmonics in Biology and Medicine written by Tuan Vo-Dinh and published by Society of Photo Optical. This book was released on 2004 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes Proceedings Vol. 7821

Introduction to Geophysical Fluid Dynamics

Author : Benoit Cushman-Roisin
Publisher : Academic Press
ISBN 13 : 0080916783
Total Pages : 850 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis Introduction to Geophysical Fluid Dynamics by : Benoit Cushman-Roisin

Download or read book Introduction to Geophysical Fluid Dynamics written by Benoit Cushman-Roisin and published by Academic Press. This book was released on 2011-08-26 with total page 850 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to Geophysical Fluid Dynamics provides an introductory-level exploration of geophysical fluid dynamics (GFD), the principles governing air and water flows on large terrestrial scales. Physical principles are illustrated with the aid of the simplest existing models, and the computer methods are shown in juxtaposition with the equations to which they apply. It explores contemporary topics of climate dynamics and equatorial dynamics, including the Greenhouse Effect, global warming, and the El Nino Southern Oscillation. - Combines both physical and numerical aspects of geophysical fluid dynamics into a single affordable volume - Explores contemporary topics such as the Greenhouse Effect, global warming and the El Nino Southern Oscillation - Biographical and historical notes at the ends of chapters trace the intellectual development of the field - Recipient of the 2010 Wernaers Prize, awarded each year by the National Fund for Scientific Research of Belgium (FNR-FNRS)

Application of Discrete Walsh Functions to Digital Filter Techniques

Author : Norman Clare Meck
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.:/5 (64 download)

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Book Synopsis Application of Discrete Walsh Functions to Digital Filter Techniques by : Norman Clare Meck

Download or read book Application of Discrete Walsh Functions to Digital Filter Techniques written by Norman Clare Meck and published by . This book was released on 1972 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methods of generating and properties of Walsh functions are discussed with emphasis on discrete Walsh functons. Hardware and software versions of two methods of Walsh function generation are shown. The Walsh transform is explored and hardware and software realizations of a fast Walsh transforn algorithm, particularly applicable to hardware, is introduced. Computer programs containing the various algorithms are included. A discussion of the feasibility of the use of Walsh functions to produce a digital filter with a desired frequency response is presented. (Author).

Ambisonics

Author : Franz Zotter
Publisher : Springer
ISBN 13 : 3030172074
Total Pages : 210 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Ambisonics by : Franz Zotter

Download or read book Ambisonics written by Franz Zotter and published by Springer. This book was released on 2019-04-30 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book provides a concise explanation of the fundamentals and background of the surround sound recording and playback technology Ambisonics. It equips readers with the psychoacoustical, signal processing, acoustical, and mathematical knowledge needed to understand the inner workings of modern processing utilities, special equipment for recording, manipulation, and reproduction in the higher-order Ambisonic format. The book comes with various practical examples based on free software tools and open scientific data for reproducible research. The book’s introductory section offers a perspective on Ambisonics spanning from the origins of coincident recordings in the 1930s to the Ambisonic concepts of the 1970s, as well as classical ways of applying Ambisonics in first-order coincident sound scene recording and reproduction that have been practiced since the 1980s. As, from time to time, the underlying mathematics become quite involved, but should be comprehensive without sacrificing readability, the book includes an extensive mathematical appendix. The book offers readers a deeper understanding of Ambisonic technologies, and will especially benefit scientists, audio-system and audio-recording engineers. In the advanced sections of the book, fundamentals and modern techniques as higher-order Ambisonic decoding, 3D audio effects, and higher-order recording are explained. Those techniques are shown to be suitable to supply audience areas ranging from studio-sized to hundreds of listeners, or headphone-based playback, regardless whether it is live, interactive, or studio-produced 3D audio material.

Interferometry and Synthesis in Radio Astronomy

Author : A. Richard Thompson
Publisher : Wiley-Interscience
ISBN 13 :
Total Pages : 568 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Interferometry and Synthesis in Radio Astronomy by : A. Richard Thompson

Download or read book Interferometry and Synthesis in Radio Astronomy written by A. Richard Thompson and published by Wiley-Interscience. This book was released on 1986-04-28 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unified description of the theory and practice of radio interferometry and synthesis mapping techniques as they apply to astronomy and geology. Beginning with an historical review, it goes on to provide a detailed description of all aspects of radio inferometry, from basic principles through instrumental design to data reduction. Over 450 original papers and monographs are cited.