scholarly journals Sensitivity oftls and minimum norm methods ofdoa estimation to errors due to either finite data or sensor gain and phase perturbations

Sadhana ◽  
1991 ◽  
Vol 16 (3) ◽  
pp. 195-212
Author(s):  
K R Srinivas ◽  
V U Reddy
Keyword(s):  
1994 ◽  
Vol 30 (1) ◽  
pp. 161-174 ◽  
Author(s):  
K.R. Srinivas ◽  
V.U. Reddy
Keyword(s):  

2006 ◽  
Vol 12 (5) ◽  
pp. 536-544 ◽  
Author(s):  
Hassan Noura ◽  
Abbas Chamseddine

2020 ◽  
Vol 10 (1) ◽  
pp. 450-476
Author(s):  
Radu Ioan Boţ ◽  
Sorin-Mihai Grad ◽  
Dennis Meier ◽  
Mathias Staudigl

Abstract In this work we investigate dynamical systems designed to approach the solution sets of inclusion problems involving the sum of two maximally monotone operators. Our aim is to design methods which guarantee strong convergence of trajectories towards the minimum norm solution of the underlying monotone inclusion problem. To that end, we investigate in detail the asymptotic behavior of dynamical systems perturbed by a Tikhonov regularization where either the maximally monotone operators themselves, or the vector field of the dynamical system is regularized. In both cases we prove strong convergence of the trajectories towards minimum norm solutions to an underlying monotone inclusion problem, and we illustrate numerically qualitative differences between these two complementary regularization strategies. The so-constructed dynamical systems are either of Krasnoselskiĭ-Mann, of forward-backward type or of forward-backward-forward type, and with the help of injected regularization we demonstrate seminal results on the strong convergence of Hilbert space valued evolutions designed to solve monotone inclusion and equilibrium problems.


1982 ◽  
Vol 5 (2) ◽  
pp. 143-170
Author(s):  
Jan A. Bergstra ◽  
John-Jules Ch. Meyer

In [5] it has been proved that by using hidden functions the number of equations needed to specify a finite data type is bounded by numbers depending only on the signature of that data type. In the special case of a finite minimal unoid, however, it seems to be relevant to ask whether or not a specification can also be made by a bounded number of equations using only unary hidden functions. In this paper we prove that this can be done.


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