An Overview on Time/Frequency Modulated Array Processing

Time and frequency modulated arrays have numerous application areas including radar, navigation, and communications. Specifically, a time modulated array can create a beampattern with low sidelobes via connecting and disconnecting the antenna elements from the feed network, while the frequency modul...

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Bibliographic Details
Published in:IEEE journal of selected topics in signal processing 2017-03, Vol.11 (2), p.228-246
Main Authors: Wen-Qin Wang, Hing Cheung So, Farina, Alfonso
Format: Article
Language:English
Subjects:
Array signal processing
frequency diverse array
Frequency diversity
frequency modulated array
Frequency modulation
multiple-input multiple-output (MIMO) radar
Phased arrays
phased-array
Radar
range-dependent beamforming
Signal processing
time modulated array
Time-frequency analysis
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Summary:Time and frequency modulated arrays have numerous application areas including radar, navigation, and communications. Specifically, a time modulated array can create a beampattern with low sidelobes via connecting and disconnecting the antenna elements from the feed network, while the frequency modulated frequency diverse array produces a range-dependent pattern. In this paper, we aim to introduce these advanced arrays to the signal processing community so that more investigations in terms of theory, methods, and applications, can be facilitated. The research progress of time/frequency modulated array studies is reviewed and the most recent advances are discussed. Moreover, potential applications in radar and communications are presented, along with their technical challenges, especially in signal processing aspects.
ISSN:1932-4553
1941-0484
DOI:10.1109/JSTSP.2016.2627182