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Title: A Programmable Phased Array with Time-Delay Units and its Applications
Authors: Alfred, Q. Md.
Chopra, N.
Chakravarty, T.
Singh, G.
Sanyal, S. K.
Keywords: Phased array time-delay
Conical scan
Phase shifter
Shaped beam
Issue Date: 2009
Publisher: Jaypee University of Information Technology, Solan, H.P.
Abstract: In this paper, a phased array antenna schematic using true time delays is proposed and suitable time-delays are inserted by switching ON/OFF the RF switches. Using this concept, one can generate SUM pattern, DIFFERENCE pattern, as well as a combination of these two. It is shown that SUM-DIFFERENCE pattern has interesting applications in radar, namely, calibration of beam pointing accuracy and blind speed elimination in a delay line cancellation method. The proposed method can also be formatted to requirements of conical scan as well as shaped beam generation. The proposed method is validated using existing knowledge.
Appears in Collections:Journal Articles

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