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Copulas: A new insight into positive time-frequency distributions

Abstract:
In this letter, we establish connections between Cohen-Posch theory of positive time-frequency distributions (TFDs) and copula theory. Both are aimed at designing joint probability distributions with fixed marginals, and we demonstrate that they are formally equivalent. Moreover, we show that copula theory leads to a noniterative method for constructing positive TFDs. Simulations show typical results.
Publication status:
Published

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Publisher copy:
10.1109/LSP.2003.811636

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Statistics
Role:
Author
Journal:
IEEE SIGNAL PROCESSING LETTERS More from this journal
Volume:
10
Issue:
7
Pages:
215-218
Publication date:
2003-07-01
DOI:
EISSN:
1558-2361
ISSN:
1070-9908
Language:
English
Keywords:
Pubs id:
pubs:190602
UUID:
uuid:faed6ee8-48cd-4002-b041-40a19fefbebb
Local pid:
pubs:190602
Source identifiers:
190602
Deposit date:
2012-12-19

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