Modified signal dependent time-frequency representation for analysis of the simulated first heart sound

Author

Shamsollahi, M.B. ; Senhadji, L. ; Chen, D. ; Durand, L.-G.

Author_Institution

Lab. Traitement du Signal et de l´´Image, Rennes I Univ., France

Volume

3

fYear

1997

fDate

30 Oct-2 Nov 1997

Firstpage

1313

Abstract

Describes a modification of the Signal Dependent Time-Frequency Representation (SDTFR) developed by Baraniuk and Jones (1993) in order to applying it to a simulated first heart sound signal composed of a rising chirp and two damped sinusoid components. This modification is performed by introducing an additional constraint on the design of the kernel to emphasize a specific section of the ambiguity plane. The result of this improved method is compared to those obtained by the SDTFR and the Wigner-Ville distribution of the simulated S1

Keywords

acoustic signal processing; bioacoustics; cardiology; medical signal processing; time-frequency analysis; Wigner-Ville distribution; ambiguity plane section emphasis; damped sinusoid components; kernel design; modified signal dependent time-frequency representation; rising chirp; simulated first heart sound analysis; Amplitude modulation; Analytical models; Chirp; Heart; Hydrogen; Kernel; Myocardium; Pins; Signal analysis; Time frequency analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Engineering in Medicine and Biology Society, 1997. Proceedings of the 19th Annual International Conference of the IEEE

Conference_Location

Chicago, IL

ISSN

1094-687X

Print_ISBN

0-7803-4262-3

Type

conf

DOI

10.1109/IEMBS.1997.756617

Filename

756617