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Chebyshev Optimization for the Design of Broadband Beamformers in the Near Field
Ansvarlig organisasjon
1998 (engelsk)Inngår i: IEEE transactions on circuits and systems. 2 : Analog and digital signal processing, ISSN 1057-7130 , Vol. 45, nr 1, s. 141-143Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The use of microphone arrays for video conferences, hands-free mobile telephony and computer applications has created the demand for near-field broadband beamformer design methods. Here, a general broadband beamformer design problem is formulated as a weighted Chebyshev optimization problem, and a method to solve the resulting functionally-constrained problem is presented. The formulation can also be applied to the design of multidimensional digital finite-impulse response (FIR) filters with an arbitrarily specified amplitude and phase. Numerical results that demonstrate the minimax near-field behavior of the designed beamformers are given.

sted, utgiver, år, opplag, sider
New York: IEEE Circuits and Systems Society , 1998. Vol. 45, nr 1, s. 141-143
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Identifikatorer
URN: urn:nbn:se:bth-9554Lokal ID: oai:bth.se:forskinfoC8C89382FEE70596C12568A3002CAA17OAI: oai:DiVA.org:bth-9554DiVA, id: diva2:837427
Merknad
Submitted for publication in IEEE Transactions on Circuits and Systems, II: Analog and Digital Signal Processing, January 1996Tilgjengelig fra: 2012-09-18 Laget: 2000-03-15 Sist oppdatert: 2015-06-30bibliografisk kontrollert

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