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- John G. McWhirter, Paul D. Baxter, Tom Cooper, Soydan Redif, Joanne A. Foster
- IEEE Transactions on Signal Processing
- 2007

An algorithm for computing the eigenvalue decomposition of a para-Hermitian polynomial matrix is described. This amounts to diagonalizing the polynomial matrix by means of a paraunitary "similarity"â€¦ (More)

- Soydan Redif, Stephan D. Weiss, John G. McWhirter
- IEEE Transactions on Signal Processing
- 2015

For parahermitian polynomial matrices, which can be used, for example, to characterize space-time covariance in broadband array processing, the conventional eigenvalue decomposition (EVD) can beâ€¦ (More)

- Soydan Redif, John G. McWhirter, Stephan D. Weiss
- IEEE Transactions on Signal Processing
- 2011

The problem of paraunitary (PU) filter bank design for subband coding has received considerable attention in recent years, not least because of the energy preserving property of this class of filterâ€¦ (More)

- Joanne A. Foster, John G. McWhirter, Martin R. Davies, Jonathon A. Chambers
- IEEE Transactions on Signal Processing
- 2010

In this paper, a new algorithm for calculating the QR decomposition (QRD) of a polynomial matrix is introduced. This algorithm amounts to transforming a polynomial matrix to upper triangular form byâ€¦ (More)

- Jeffrey T Foster, John G. McWhirter, J. Chambers
- 2007 15th International Conference on Digitalâ€¦
- 2007

This paper introduces an algorithm for computing a QR decomposition of a polynomial matrix. The algorithm proceeds to perform the decomposition by following the same strategy in eliminating entriesâ€¦ (More)

The main limitation of FQRD-RLS algorithms is that they lack an explicit weight vector term. Furthermore, they do not directly provide the variables allowing for a straightforward computation of theâ€¦ (More)

- David Z. Hughes, John G. McWhirter
- Fourth International Symposium on Signalâ€¦
- 1996

The use of a simple penalty function to control the sidelobes in a least squares adaptive beamfomer is described. The algorithm is formulated in both the covariance and data domains, the latter beingâ€¦ (More)

- Foad Ghaderi, Kianoush Nazarpour, John G. McWhirter, Saeid Sanei
- IEEE Transactions on Biomedical Engineering
- 2010

Ballistocardiogram (BCG) artifact is considered here as the sum of a number of independent cyclostationary components having the same cycle frequency. Our proposed method, called cyclostationaryâ€¦ (More)

The singular value decomposition (SVD) is a very important tool for narrowband adaptive sensor array processing. It finds application in areas as diverse as high resolution direction finding,â€¦ (More)

- Donna C McCann, John G. McWhirter, Harold A. Coleman, Melanie Calvert, Justin Warner
- The European respiratory journal
- 2006

The present study investigated schools as an appropriate context for an intervention designed to produce clinical and psychological benefits for children with asthma. A total of 193 out of 219â€¦ (More)