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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/1550

Title: A frequency-scanned slot-array on a coaxial slow-wave structure
Authors: Bhooshan, S
Arora, R
Keywords: sinuous feed
slow-wave feed
coaxial line
corrugated inner
half-wavelength slots
feed ensures
Issue Date: 1976
Citation: Antennas and Propagation Society International Symposium, 14, 158 - 163
Abstract: Frequency-scanned antenna arrays usually employ a sinuous feed to obtain a high frequency sensitivity [1], [2]. It has been realized [1] that this effect can alternatively be produced by using a slow-wave feed, such as a helix, in place of the more commonly employed TEM-line or waveguide feed. Such a feed system can be made quite compact and lightweight as compared to the latter types of feed. In this paper, a structure consisting of a coaxial line with a corrugated inner conductor is examined as an array feed. The radiating elements are transversely out half-wavelength slots on the outer conductor and constitute a uniformly spaced linear array. The absorber at the end of the feed ensures that the array is excited in the traveling-wave mode.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/1550
Appears in Collections:Electrical Engineering

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