On non-optimal spectral factorizations

被引:1
|
作者
Ephremidze, Lasha [1 ]
Selesnick, Ivan [2 ]
Spitkovsky, Ilya [1 ]
机构
[1] NYUAD, Div Sci & Math, POB 129188, Abu Dhabi, U Arab Emirates
[2] NYU, Dept Elect & Comp Engn, Brooklyn, NY 11201 USA
关键词
Matrix spectral factorization; SIMPLE PROOF; THEOREM;
D O I
10.1515/gmj-2017-0020
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
For a given Laurent polynomial matrix function S, which is positive definite on the unit circle in the complex plane, we consider all possible polynomial spectral factors of S which are not necessarily invertible inside the unit circle.
引用
收藏
页码:517 / 522
页数:6
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