Title
Analysing the performance of divide-and-conquer sequential matrix diagonalisation for large broadband sensor arrays
Abstract
A number of algorithms capable of iteratively calculating a polynomial matrix eigenvalue decomposition (PEVD) have been introduced. The PEVD is an extension of the ordinary EVD to polynomial matrices and will diagonalise a parahermitian matrix using paraunitary operations. Inspired by recent work towards a low complexity divide-and-conquer PEVD algorithm, this paper analyses the performance of this algorithm - named divide-and-conquer sequential matrix diagonalisation (DC-SMD) - for applications involving broadband sensor arrays of various dimensionalities. We demonstrate that by using the DC-SMD algorithm instead of a traditional alternative, PEVD complexity and execution time can be significantly reduced. This reduction is shown to be especially impactful for broadband multichannel problems involving large arrays.
Year
DOI
Venue
2017
10.1109/SiPS.2017.8109976
2017 IEEE International Workshop on Signal Processing Systems (SiPS)
Keywords
Field
DocType
low complexity divide-and-conquer PEVD algorithm,divide-and-conquer sequential matrix diagonalisation,paraunitary operations,PEVD,polynomial matrix eigenvalue decomposition,broadband multichannel problems,DC-SMD algorithm,broadband sensor arrays,parahermitian matrix,polynomial matrices
Signal processing,Approximation algorithm,Telecommunications,Polynomial,Polynomial matrix,Computer science,Matrix (mathematics),Parallel computing,Matrix decomposition,Algorithm,Eigendecomposition of a matrix,Divide and conquer algorithms
Conference
ISBN
Citations 
PageRank 
978-1-5386-0447-2
1
0.37
References 
Authors
11
4
Name
Order
Citations
PageRank
Fraser K. Coutts184.31
Keith Thompson273.31
Weiss, Stephan320933.25
Ian K. Proudler46312.78