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This paper expands on a recent polynomial matrix formulation for a minimum variance distortionless response (MVDR) broadband beamformer. Within the polynomial matrix framework, this beamformer is a straightforward extension from the narrowband case, and offers advantages in terms of complexity and robustness particularly for off-broadside constraints. Here, we focus on arbitrary 3-dimensional array configurations of no particular structure, where the straightforward formulation and incorporation of constraints is demonstrated in simulations, and the beamformer accurately maintains its look direction while nulling out interferers.
|Title of host publication||2nd IET International Conference on Intelligent Signal Processing 2015 (ISP)|
|Number of pages||6|
|Publication status||Published - 1 Dec 2015|
|Event||2nd IET International Conference on Intelligent Signal Processing - Kensington Close Hotel, London, United Kingdom|
Duration: 1 Dec 2015 → 2 Dec 2015
|Conference||2nd IET International Conference on Intelligent Signal Processing|
|Period||1/12/15 → 2/12/15|
- polynomial matrices
- array signal processing
- digital signal processing
- minimum variance distortionless response
- off-broadside constraints
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- 1 Finished
Soraghan, J. & Weiss, S.
1/04/13 → 31/03/18