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A novel approach for broadband beamforming in the presence of multi-path signals is proposed based on a frequency invariant transformation. In this approach, the received array signals are first processed by a frequency invariant beamforming network and then a traditional narrowband adaptive beamformer is applied to its output. It is shown that with the proposed structure, the cancellation of the...
The bandwidth performance of an adaptive two- element array with sensor delay lines (SDLs) attached is studied in terms of the inter-spacing between delay line sensors and the number of delay line sensors added. Compared with adaptive arrays with tapped delay-lines (TDLs) the new SDL structure has a better performance in two aspects: its output SINR drops less as the inter-delay within delay lines...
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