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EBOOK
Author Hājarā, Lakshmīnārāẏaṇa,
Title Self-similarity in Walsh functions and in the farfield diffraction patterns of radial Walsh filters / Lakshminarayan Hazra, Pubali Mukherjee.
Imprint Singapore : Springer, [2018]

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Author Hājarā, Lakshmīnārāẏaṇa,
Series Springer briefs in applied sciences and technology
SpringerBriefs in applied sciences and technology.
Subject Walsh functions.
Alt Name Mukherjee, Pubali,
LOCATION CALL # STATUS MESSAGE
 OHIOLINK SPRINGER EBOOKS    ONLINE  
View online
Author Hājarā, Lakshmīnārāẏaṇa,
Series Springer briefs in applied sciences and technology
SpringerBriefs in applied sciences and technology.
Subject Walsh functions.
Alt Name Mukherjee, Pubali,
Description 1 online resource (viii, 82 pages) : illustrations (some color).
Bibliography Note Includes bibliographical references.
Contents Walsh Functions -- Self-similarity in Walsh Functions -- Computation of Farfield Diffraction Characteristics of radial Walsh Filters on the pupil of axisymmetric imaging systems -- Self-similarity in Transverse Intensity Distributions on the Farfield plane of self-similar radial Walsh Filters -- Self-similarity in Axial Intensity Distributions around the Farfield plane of self-similar radial Walsh Filters -- Self-similarity in 3D Light Distributions near the focus of self-similar radial Walsh Filters. Conclusion.
Summary 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 ? phase, corresponding to +1 or -1 of the Walsh function value.
Note Vendor-supplied metadata.
ISBN 9789811028090 (electronic bk.)
9811028095 (electronic bk.)
9789811028083
9811028087
9789811028083
ISBN/ISSN 10.1007/978-981-10-2809-0
OCLC # 989974695
Additional Format Printed edition: 9789811028083



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