Uniform Array with Broadband Beamforming for Arbitrary Beam Patterns
Phan Le Son

TL;DR
This paper introduces a novel geometric method for designing broadband beamformers with arbitrary patterns, offering faster computation and more efficient array configurations compared to traditional optimization techniques.
Contribution
A new geometric and coordinate transformation approach for broadband beamforming design that reduces computation time and improves array efficiency for arbitrary patterns.
Findings
Faster design process than optimization methods.
Enables smaller and fewer sensor arrays.
Supports arbitrary beam pattern design.
Abstract
Broadband beamforming is a technique to obtain the signal with a wide range of frequencies. It maintains the signal integrity and spatial selectivity over frequencies. This is important in several applications such as microphone array, sonar array or radar where the operation range of the signal is several octaves. Using uniform array for broadband beamforming is the old topic but there is no available design method for the arbitrary beam patterns, except the optimization methods. In this paper, we present a new method based on geometry translation and coordinate transformation to design broadband beamformer for arbitrary beam patterns. The new method uses less computation time than the optimization methods and it could help to find a better configuration of the array such as fewer sensors, smaller size.
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Taxonomy
TopicsAntenna Design and Optimization · Antenna Design and Analysis · Millimeter-Wave Propagation and Modeling
