doa estimation
Post on 06-Jan-2016
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DESCRIPTION
It's an introductory presentation on basic DOA estimation method. Here two conventional methods are presented. i.e. Bartlett and Capon Method.
TRANSCRIPT
AOA Estimation
DOA EstimationIntroduction
M-Element Array With Arriving Signal
Array Output :
WhereM M array correlation matrix
DOA TechniquesConventional TechniquesSubspace Based TechniquesMaximum Likelihood TechniquesIntegrated Techniques
Conventional TechniquesBartlett MethodCapon MethodBartlett MethodIf the array is uniformly weighted, we can define the Bartlett AOA estimate as
Outcome
Capon MethodThe goal is to maximize the signal-to-intereference ratio (SIR) while passing the signal of interest undistorted in phase and amplitude.The array weights are given by:
For Capon method pseudospectrum is given by :
Outcome
Thank you
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