IF estimation of linear FM signals corrupted by multiplicative and additive noise: a time-frequency approach

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IF estimation of linear FM signals corrupted by multiplicative and additive noise: a time-frequency approach

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dc.contributor.author Barkat, B
dc.contributor.author Boashash, B
dc.date.accessioned 2011-09-28T18:34:15Z
dc.date.available 2011-09-28T18:34:15Z
dc.date.issued 2000
dc.identifier.citation 2000 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2000. ICASSP '00. Proceedings. Issue Date : 2000 Volume : 2 On page(s): II661 en_US
dc.identifier.isbn 0-7803-6293-4
dc.identifier.uri http://hdl.handle.net/10576/10748
dc.description This paper shows that the Wigner-Ville spectrum (WVS) is optimal in the sense of IF localisation for FM signals and its peak is an efficient IF estimator, and this is contrary to earlier claims. (The most recent upgrade of the original software package that calculates Time-Frequency Distributions and Instantaneous Frequency estimators can be downloaded from the web site: www.time-frequency.net. This was the first software developed in the field, and it was first released publicly in 1987 at the 1st ISSPA conference held in Brisbane, Australia, and then continuously updated). en_US
dc.description.abstract This paper presents a time-frequency approach for the estimation of the instantaneous frequency (IF) of a linear frequency modulated (FM) signal affected by multiplicative and additive white Gaussian noise. Contrary to earlier claims, we show that the Wigner-Ville spectrum (WVS) is optimal in the sense of IF localisation for such signals and its peak is proposed as an IF estimator. We derive an analytical expression for the asymptotic variance for this estimator. Simulation results based on Monte-Carlo realisations illustrate and confirm the validity of the theoretical derivations and analysis. en_US
dc.language.iso en en_US
dc.publisher IEEE en_US
dc.subject IF estimation en_US
dc.subject IF localization en_US
dc.subject Monte-Carlo realizations en_US
dc.subject Wigner-Ville spectrum en_US
dc.subject additive white Gaussian noise en_US
dc.subject asymptotic variance en_US
dc.subject instantaneous frequency en_US
dc.subject linear FM signals en_US
dc.subject linear frequency modulated signal en_US
dc.subject multiplicative noise en_US
dc.subject time-frequency approach en_US
dc.subject Time-Frequency analysis en_US
dc.subject Time-Frequency Distributions en_US
dc.subject random amplitude en_US
dc.subject phase distortion en_US
dc.title IF estimation of linear FM signals corrupted by multiplicative and additive noise: a time-frequency approach en_US
dc.type Article en_US

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