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   A Family of Selective Partial Update Affine Projection Adaptive Filtering Algorithms  
   
نویسنده Esfand Abadi M. She ,Mehrdad V. ,Noroozi M.
منبع iranian journal of electrical and electronic engineering - 2009 - دوره : 5 - شماره : 3 - صفحه:159 -169
چکیده    In this paper we present a general formalism for the establishment of the family of selective partial update affine projection algorithms (spu-apa). the spu-apa, the spu regularized apa (spu-r-apa), the spu partial rank algorithm (spu-pra), the spu binormalized data reusing least mean squares (spu-bndr-lms), and the spu normalizedlms with orthogonal correction factors (spu-nlms-ocf) algorithms are established by this general formalism. in these algorithms, the filter coefficients are partially updated rather than the entire filter coefficients at every iteration which is computationally efficient. following this, the transient and steady-state performance analysis of this family ofadaptive filter algorithms are studied. this analysis is based on energy conservation arguments and does not need to assume a gaussian or white distribution for the regressors. we demonstrate the performance of the presented algorithms through simulations in systemidentification and acoustic echo cancellation scenarios. the good agreement between theoretically predicted and actually observed performances is also demonstrated.
کلیدواژه Adaptive filter ,affine projection ,selective partial update ,mean-squareperformance ,energy conservation.
آدرس shahid rajaee teacher training university, Department of Electrical Engineering, ایران, shahid rajaee teacher training university, Department of Electrical Engineering, ایران, shahid rajaee teacher training university, Department of Electrical Engineering, ایران
پست الکترونیکی mnoroozi@srttu.edu
 
     
   
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