Power spectrum estimation of complex signals: group delay approach

Authors
Narasimhan, SV Plotkin, EI Swamy, MNS
Citation
Sv. Narasimhan et al., Power spectrum estimation of complex signals: group delay approach, ELECTR LETT, 35(25), 1999, pp. 2182-2184
Citations number
4
Categorie Soggetti
Eletrical & Eletronics Engineeing
Journal title
ELECTRONICS LETTERS
ISSN journal
00135194 → ACNP
Volume
35
Issue
25
Year of publication
1999
Pages
2182 - 2184
Database
ISI
SICI code
0013-5194(199912)35:25<2182:PSEOCS>2.0.ZU;2-O
Abstract
A method for estimating the power spectrum of a complex signal (CS) realise d by the group delay (GD) for a CS and the modified GD concept is proposed. This extends the performance advantages of the modified GD applicable to a real signal to a complex signal. A significant reduction in variance witho ut any compromise in frequency resolution over that of the periodogram is f ound.