The Regularized Fast Hartley Transform

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The Regularized Fast Hartley Transform

Author : Keith John Jones
Publisher : Springer Nature
Page : 320 pages
File Size : 45,7 Mb
Release : 2021-09-03
Category : Technology & Engineering
ISBN : 9783030682453

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The Regularized Fast Hartley Transform by Keith John Jones Pdf

This book describes how a key signal/image processing algorithm – that of the fast Hartley transform (FHT) or, via a simple conversion routine between their outputs, of the real‐data version of the ubiquitous fast Fourier transform (FFT) – might best be formulated to facilitate computationally-efficient solutions. The author discusses this for both 1-D (such as required, for example, for the spectrum analysis of audio signals) and m‐D (such as required, for example, for the compression of noisy 2-D images or the watermarking of 3-D video signals) cases, but requiring few computing resources (i.e. low arithmetic/memory/power requirements, etc.). This is particularly relevant for those application areas, such as mobile communications, where the available silicon resources (as well as the battery-life) are expected to be limited. The aim of this monograph, where silicon‐based computing technology and a resource‐constrained environment is assumed and the data is real-valued in nature, has thus been to seek solutions that best match the actual problem needing to be solved.

The Regularized Fast Hartley Transform

Author : Keith Jones
Publisher : Springer Science & Business Media
Page : 232 pages
File Size : 54,6 Mb
Release : 2010-03-10
Category : Mathematics
ISBN : 9789048139170

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The Regularized Fast Hartley Transform by Keith Jones Pdf

Most real-world spectrum analysis problems involve the computation of the real-data discrete Fourier transform (DFT), a unitary transform that maps elements N of the linear space of real-valued N-tuples, R , to elements of its complex-valued N counterpart, C , and when carried out in hardware it is conventionally achieved via a real-from-complex strategy using a complex-data version of the fast Fourier transform (FFT), the generic name given to the class of fast algorithms used for the ef?cient computation of the DFT. Such algorithms are typically derived by explo- ing the property of symmetry, whether it exists just in the transform kernel or, in certain circumstances, in the input data and/or output data as well. In order to make effective use of a complex-data FFT, however, via the chosen real-from-complex N strategy, the input data to the DFT must ?rst be converted from elements of R to N elements of C . The reason for choosing the computational domain of real-data problems such N N as this to be C , rather than R , is due in part to the fact that computing equ- ment manufacturers have invested so heavily in producing digital signal processing (DSP) devices built around the design of the complex-data fast multiplier and accumulator (MAC), an arithmetic unit ideally suited to the implementation of the complex-data radix-2 butter?y, the computational unit used by the familiar class of recursive radix-2 FFT algorithms.

Security and Privacy in Communication Networks

Author : Noseong Park,Kun Sun,Sara Foresti,Kevin Butler,Nitesh Saxena
Publisher : Springer Nature
Page : 543 pages
File Size : 40,8 Mb
Release : 2020-12-11
Category : Computers
ISBN : 9783030630867

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Security and Privacy in Communication Networks by Noseong Park,Kun Sun,Sara Foresti,Kevin Butler,Nitesh Saxena Pdf

This two-volume set LNICST 335 and 336 constitutes the post-conference proceedings of the 16th International Conference on Security and Privacy in Communication Networks, SecureComm 2020, held in Washington, DC, USA, in October 2020. The conference was held virtually due to COVID-19 pandemic. The 60 full papers were carefully reviewed and selected from 120 submissions. The papers focus on the latest scientific research results in security and privacy in wired, mobile, hybrid and ad hoc networks, in IoT technologies, in cyber-physical systems, in next-generation communication systems in web and systems security and in pervasive and ubiquitous computing.

The Hartley Transform

Author : Ronald Newbold Bracewell
Publisher : Oxford University Press, USA
Page : 176 pages
File Size : 52,8 Mb
Release : 1986
Category : Fourier analysis
ISBN : UCSD:31822002417889

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The Hartley Transform by Ronald Newbold Bracewell Pdf

The author describes the fast algorithm he discovered for spectral analysis and indeed any purpose to which Fourier Transforms and the Fast Fourier Transform are normally applied.

The Writers Directory

Author : Anonim
Publisher : Unknown
Page : 690 pages
File Size : 47,8 Mb
Release : 2013
Category : Authors, American
ISBN : UCSD:31822037943222

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The Writers Directory by Anonim Pdf

Matrix Methods

Author : Vadim Olshevsky
Publisher : World Scientific
Page : 604 pages
File Size : 54,8 Mb
Release : 2010
Category : Mathematics
ISBN : 9789812836021

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Matrix Methods by Vadim Olshevsky Pdf

Operators preserving primitivity for matrix pairs / L.B. Beasley, A.E. Guterman -- Decompositions of quaternions and their matrix equivalents / D. Janovská, G. Opfer -- Sensitivity analysis of Hamiltonian and reversible systems prone to dissipation-induced instabilities / O.N. Kirillov -- Block triangular miniversal deformations of matrices and matrix pencils / L. Klimenko, V.V. Sergeichuk -- Determining the Schein rank of boolean matrices / E.E. Marenich -- Lattices of matrix rows and matrix columns. Lattices of invariant column eigenvectors / V. Marenich -- Matrix algebras and their length / O.V. Markova -- On a new class of singular nonsymmetric matrices with nonnegative integer spectra / T. Nahtman, D. von Rosen -- Reduction of a set of matrices over a principal ideal domain to the Smith normal forms by means of the same one-sided transformation / V.M. Prokip -- Nonsymmetric algebraic Riccati equations associated with an M-matrix : recent advances and algorithms / D.A. Bini, B. Iannazzo, B. Meini, F. Poloni -- A generalized conjugate direction method for nonsymmetric large ill-conditioned linear systems / E.R. Boudinov, A.I. Manevich -- There exist normal Hankel ([symbol], [symbol])-circulants of any order [symbol] / V.N. Chugunov, Kh. D. Ikramov -- On the treatment of boundary artifacts in image restoration by reflection and/or anti-reflection / M. Donatelli, S. Serra-Capizzano -- Zeros of determinants of [symbol]-matrices / W. Gander -- How to find a good submatrix / S.A. Goreinov [und weiteren] -- Conjugate and semi-conjugate direction methods with preconditioning projectors / V.P. Il'in -- Some relationships between optimal preconditioner and superoptimal preconditioner / J.-B. Chen [und weiteren] -- Scaling, preconditioning, and superlinear convergence in GMRES-type iterations / I. Kaporin -- Toeplitz and Toeplitz-block-Toeplitz matrices and their correlation with syzygies of polynomials / H. Khalil, B. Mourrain, M. Schatzman -- Concepts of data-sparse tensor-product approximation in many-particle modelling / H.-J. Flad [und weiteren] -- Separation of variables in nonlinear fermi equation / Yu. I. Kuznetsov -- Faster multipoint polynomial evaluation via structured matrices / B. Murphy, R.E. Rosholt -- Testing pivoting policies in Gaussian elimination / B. Murphy [und weiteren] -- Newton's iteration for matrix inversion, advances and extensions / V.Y. Pan -- Truncated decompositions and filtering methods with reflective/antireflective boundary conditions : a comparison / C. Tablino Possio -- Discrete-time stability of a class of hermitian polynomial matrices with positive semidefinite coefficients / H.K. Wimmer -- Splitting algorithm for solving mixed variational inequalities with inversely strongly monotone operators / I. Badriev, O. Zadvornov -- Multilevel algorithm for graph partitioning / N.S. Bochkarev, O.V. Diyankov, V.Y. Pravilnikov -- 2D-extension of singular spectrum analysis : algorithm and elements of theory / N.E. Golyandina, K.D. Usevich -- Application of radon transform for fast solution of boundary value problems for elliptic PDE in domains with complicated geometry / A.I. Grebennikov -- Application of a multigrid method to solving diffusion-type equations / M.E. Ladonkina, O. Yu. Milukova, V.F. Tishkin -- Monotone matrices and finite volume schemes for diffusion problems preserving non-negativity of solution / I.V. Kapyrin -- Sparse approximation of FEM matrix for sheet current integro-differential equation / M. Khapaev, M. Yu. Kupriyanov -- The method of magnetic field computation in presence of an ideal conductive multiconnected surface by using the integro-differential equation of the first kind / T. Kochubey, V.I. Astakhov -- Spectral model order reduction preserving passivity for large multiport RCLM networks / Yu. M. Nechepurenko, A.S. Potyagalova, I.A. Karaseva -- New smoothers in multigrid methods for strongly nonsymmetric linear systems / G.V. Muratova, E.M. Andreeva -- Operator equations for eddy currents on singular carriers / J. Naumenko -- Matrix approach to modelling of polarized radiation transfer in heterogeneous systems / T.A. Sushkevich, S.A. Strelkov, S.V. Maksakova -- The Method of Regularization of Tikhonov Based on Augmented Systems / A.I. Zhdanov, T.G. Parchaikina

Radar and Sonar

Author : Richard E. Blahut
Publisher : Unknown
Page : 176 pages
File Size : 45,9 Mb
Release : 1991
Category : Radar
ISBN : UOM:39015021579027

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Radar and Sonar by Richard E. Blahut Pdf

Mathematical Reviews

Author : Anonim
Publisher : Unknown
Page : 784 pages
File Size : 50,5 Mb
Release : 2006
Category : Mathematics
ISBN : UOM:39015065183546

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Mathematical Reviews by Anonim Pdf

Conference Record

Author : Ray R. Chen
Publisher : Unknown
Page : 572 pages
File Size : 53,5 Mb
Release : 1990
Category : Electronic digital computers
ISBN : UOM:39076001155303

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Conference Record by Ray R. Chen Pdf

Image and Video Processing

Author : Anonim
Publisher : Unknown
Page : 300 pages
File Size : 54,5 Mb
Release : 1996
Category : Image processing
ISBN : UOM:39015035248486

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Image and Video Processing by Anonim Pdf

Physics Briefs

Author : Anonim
Publisher : Unknown
Page : 1280 pages
File Size : 41,6 Mb
Release : 1991
Category : Physics
ISBN : UOM:39015015962783

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Physics Briefs by Anonim Pdf

International Aerospace Abstracts

Author : Anonim
Publisher : Unknown
Page : 940 pages
File Size : 43,9 Mb
Release : 1997
Category : Aeronautics
ISBN : UOM:39015040314299

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International Aerospace Abstracts by Anonim Pdf

Dissertation Abstracts International

Author : Anonim
Publisher : Unknown
Page : 796 pages
File Size : 50,5 Mb
Release : 1993
Category : Dissertations, Academic
ISBN : STANFORD:36105020027491

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Dissertation Abstracts International by Anonim Pdf

Science Abstracts

Author : Anonim
Publisher : Unknown
Page : 1360 pages
File Size : 48,9 Mb
Release : 1995
Category : Electrical engineering
ISBN : OSU:32435051560209

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Science Abstracts by Anonim Pdf

Numerical Methods for Laplace Transform Inversion

Author : Alan M. Cohen
Publisher : Springer Science & Business Media
Page : 262 pages
File Size : 40,8 Mb
Release : 2007-06-16
Category : Mathematics
ISBN : 9780387688558

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Numerical Methods for Laplace Transform Inversion by Alan M. Cohen Pdf

This book gives background material on the theory of Laplace transforms, together with a fairly comprehensive list of methods that are available at the current time. Computer programs are included for those methods that perform consistently well on a wide range of Laplace transforms. Operational methods have been used for over a century to solve problems such as ordinary and partial differential equations.