DocumentCode
697850
Title
A least squares approach to the design of frequency invariant beamformers
Author
Yong Zhao ; Wei Liu ; Langley, Richard
Author_Institution
Dept. of Electron. & Electr. Eng., Commun. Res. Group, Univ. of Sheffield, Sheffield, UK
fYear
2009
fDate
24-28 Aug. 2009
Firstpage
844
Lastpage
848
Abstract
A least squares formulation for the design of frequency invariant beamformers (FIBs) is proposed with two solutions provided. One is based on the Lagrange multipliers method and the other one is based on an orthogonal decomposition of the coefficient vector to transform the constrained design problem into an unconstrained one. Design examples including both broadside and off-broadside main beams are provided with satisfactory frequency invariant property and sidelobe attenuation.
Keywords
array signal processing; least squares approximations; Lagrange multipliers; frequency invariant beamformers; least squares formulation; orthogonal decomposition; Array signal processing; Broadband communication; Quantum cascade lasers; Frequency invariant beamformer; Lagrange multipliers; Least squares; orthogonal decomposition;
fLanguage
English
Publisher
ieee
Conference_Titel
Signal Processing Conference, 2009 17th European
Conference_Location
Glasgow
Print_ISBN
978-161-7388-76-7
Type
conf
Filename
7077422
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