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This research finds optimal delays minimize noise power and processing time in LCMV beamformers, suggesting enhanced signal quality.
A procedure for the determination of the optimal group-delay of a Linearly-Constrained Minimum-Variance (LCMV) beamformer is proposed. Two ways of selecting the optimal delay are recommended: the first is the solution that minimizes the noise power; the second is the solution that minimizes the processing delay. The potential of this hitherto unexplored degree of design freedom is investigated using simulated Very-High-Frequency (VHF) communication, and Ultra-High-Frequency (UHF) bistatic radar, applications
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Hugh L. Kennedy (2025) studied this question.
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