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Electronically Scanned Arrays (ESAs) and K-Space Gain Formulation

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Electronically Scanned Arrays (ESAs) and K-Space Gain Formulation/ by Roger A. Dana.
作者:	Dana, Roger A.
面頁冊數:	VIII, 113 p. 48 illus., 20 illus. in color.online resource. :
Contained By:	Springer Nature eBook
標題:	Electronic circuits. -
電子資源:	https://doi.org/10.1007/978-3-030-04678-1
ISBN:	9783030046781

Electronically Scanned Arrays (ESAs) and K-Space Gain Formulation
Dana, Roger A.

Electronically Scanned Arrays (ESAs) and K-Space Gain Formulation[electronic resource] /by Roger A. Dana. - 1st ed. 2019. - VIII, 113 p. 48 illus., 20 illus. in color.online resource.

Introduction -- Basic Principles of RF Electronic Systems and Antennas -- K-Space Gain -- Effect of Sky Noise on Antenna Temperature -- Sidelobe Control and Monopulse Weighting -- Digital Beamforming and Adaptive Processing.

This book fills in details that are often left out of modern books on the theory of antennas. The starting point is a discussion of some general principles that apply to all electronic systems and to antennas in particular. Just as time domain functions can be expanded in terms of sine waves using Fourier transforms, spatial domain functions can be expanded in terms of plane waves also using Fourier transforms, and K-space gain is the spatial Fourier transform of the aperture weighting function. Other topics discussed include the Discrete Fourier Transform (DFT) formulation of antenna gain and what is missing in this formulation, the effect of sky temperature on the often specified G/T ratio of antennas, sidelobe control using conventional and novel techniques, and ESA digital beamforming versus adaptive processing to limit interference. Presents content the author derived when first asked to evaluate the performance of an electronically scanned array under design with manufacturing imperfections and design limitations; Enables readers to understand the firm theoretical foundation of antenna gain even when they must start from well-known formulations rather than first principles; Explains in a straightforward manner the relationship between antenna gain and aperture area; Discusses the relationship between sidelobe control algorithms and aperture shape, how to take advantage of it, and what the penalties are; Shows the equivalence of Minimum-Variance, Distortionless Response (MVDR) and Space-Time Adaptive Processing (STAP) and how these algorithms can be used with ESA subarrays to mitigate interference.

ISBN: 9783030046781

Standard No.: 10.1007/978-3-030-04678-1doiSubjects--Topical Terms:

563332
Electronic circuits.

LC Class. No.: TK7888.4

Dewey Class. No.: 621.3815

Electronically Scanned Arrays (ESAs) and K-Space Gain Formulation
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