Journal
IEEE TRANSACTIONS ON SIGNAL PROCESSING
Volume 56, Issue 2, Pages 855-860Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSP.2007.907872
Keywords
beamforming; frequency-invariant design; multi-dimensional arrays
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A new class of broadband arrays with frequency invariant beam pattern is proposed. By suitable substitutions, the beam pattern of a continuous sensor array can be regarded as the Fourier transform of its spatial and temporal parameters. For the design of practical discrete sensor arrays, it can be regarded as an approximation to the continuous sensor case and a simple design method is provided, which can be applied to linear, rectangular and cubic broadband arrays.
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