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Multipath Characteristics of Frequency Diverse Arrays Over a Ground Plane
Date
2014-07-01
Author
Cetintepe, Cagri
Demir, Şimşek
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This paper presents a theoretical framework for an analytical investigation of multipath characteristics of frequency diverse arrays (FDAs), a task which is attempted for the first time in the open literature. In particular, transmitted field expressions are formulated for an FDA over a perfectly conducting ground plane first in a general analytical form, and these expressions are later simplified under reasonable assumptions. Developed formulation is then applied to a uniform, linear, continuous-wave operated FDA for the particular case of linear frequency increments, and closed-form solutions are established. Time dependence of the FDA array factor is next eliminated by calculating the average power received by an isotropic antenna at a given observation point. Field and power derivations are repeated for a conventional phased array to establish a performance benchmark. Numerical simulations are conducted for special test cases to demonstrate the advantages of FDAs over conventional phased arrays in terms of multipath propagation.
Subject Keywords
Electrical and Electronic Engineering
URI
https://hdl.handle.net/11511/41566
Journal
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
DOI
https://doi.org/10.1109/tap.2014.2316292
Collections
Department of Electrical and Electronics Engineering, Article
Citation Formats
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BibTeX
C. Cetintepe and Ş. Demir, “Multipath Characteristics of Frequency Diverse Arrays Over a Ground Plane,”
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
, vol. 62, no. 7, pp. 3567–3574, 2014, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/41566.