Overview

This book deals with multielement systems representing a set of interdependent identical elements of a comparatively small size. Such systems are widely used in various fields of astronomy and radio science, their classical examples being radio telescopes, optical and radio interferometers, orbital X-ray and gamma-ray telescopes, and phased antenna arrays for radio communication and radar facilities. Here the problems of the optimal arrangement of elements of such systems are investigated to provide their high-performance characteristics such as resolution, sensitivity, and robustness to the statistically inhomogeneous propagation medium. The distinctive feature of the book is the use of the combinatorial approach to system optimization that proves especially useful for systems with a very large number of elements. The book is addressed to research physicists and engineers who are concerned with the development of astronomical instruments and large antenna arrays, and to graduate students learning about these subjects.

Full Product Details

Author:   L.E. Kopilovich ,  L.G. Sodin
Publisher:   Springer
Imprint:   Springer
Edition:   Softcover reprint of hardcover 1st ed. 2001
Volume:   268
Dimensions:   Width: 16.00cm , Height: 1.00cm , Length: 24.00cm
Weight:   0.514kg
ISBN:  

9789048158461

ISBN 10:   904815846
Pages:   190
Publication Date:   15 December 2010
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Out of stock  
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Table of Contents

1 Linear Interferometers.- 2 Interferometers with Complete Coverage of Rectangular Domains in the U,V -Plane.- 3 Interferometers with Complete Coverage of Symmetrized Domains in the U,V -Plane.- 4 Interferometers Having Non-Redundant Apertures.- 5 General Reasons and Statement of the Problem.- 6 Linear Non-Equidistant Antenna Arrays.- 7 Planar Antenna Arrays Based on Difference Sets.- 8 Methods for Synthesizing Coded Masks.- 9 Sensitivity of X-Ray and Gamma-Ray Telescopes with Coded Apertures.- Mathematical Appendices.- A Difference Sets on Linear Grids.- A.1 Cyclic Difference Sets.- A.1.1 Properties of Cyclic Difference Sets and Associated Notions.- A.1.2 Types of Cyclic Difference Sets.- A.2 Relative Difference Sets.- A.3 Generalizations of Relative Difference Sets.- B Difference Sets on Rectangular Grids.- B.1 Definition and Properties of Two-Dimensional Difference Sets.- B.2 Difference Sets on Grids with Coprime Sidelengths.- B.3 2-D Noncyclic Difference Sets.- B.3.1 Hadamard Sets.- B.3.2 Difference Sets of Other Types.- B.4 Generalizations of 2-D Difference Sets.- C Tables of Difference Sets.

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