نتایج جستجو برای: subspace hypercyclicity
تعداد نتایج: 17851 فیلتر نتایج به سال:
In this paper, a new method is proposed for DOA estimation of correlated acoustic signals, in the presence of unknown spatial correlation noise. By generating a matrix from the signal subspace with the Hankel-SVD method, the correlated resource information is extracted from each eigen-vector. Then a joint-diagonalization structure is constructed of the signal subspace and basis it, independent...
in this paper, a new approach for estimating the number of wideband sources is proposed which is based on rss or ism algorithms. numerical results show that the mdl-based and eit-based proposed algorithm havea much better detection performance than that in egm and aic cases for small differences between the incident angles of sources. in addition, for similar conditions, rss algorithm offers hi...
The question of whether a hypercyclic operator T acting on Fréchet algebra X admits or not an vectors (but 0) has been addressed in the recent literature. In this paper we give new criteria and characterisations context convolution operators H(C) backward shifts general sequence algebra. Analogous questions arise for stronger properties like frequent hypercyclicity. trend sufficient condition w...
the global fom and gmres algorithms are among the effective methods to solve sylvester matrix equations. in this paper, we study these algorithms in the case that the coefficient matrices are real symmetric (real symmetric positive definite) and extract two cg-type algorithms for solving generalized sylvester matrix equations. the proposed methods are iterative projection metho...
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