Overview

This work deals with multi-element 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-Verlag New York Inc.
Imprint:   Springer-Verlag New York Inc.
Edition:   2001 ed.
Volume:   268
Dimensions:   Width: 15.50cm , Height: 1.20cm , Length: 23.50cm
Weight:   1.030kg
ISBN:  

9781402000690

ISBN 10:   1402000693
Pages:   190
Publication Date:   30 November 2001
Audience:   College/higher education ,  Professional and scholarly ,  Undergraduate ,  Postgraduate, Research & Scholarly
Format:   Hardback
Publisher's Status:   Active
Availability:   In Print  
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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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