A method of and apparatus for analysing a signal

Details A method of and apparatus for analysing a signal A method of and apparatus for analysing a signal

G - Physics

06

F

G06F 19/00 (2006.01) A61B 5/029 (2006.01) G06F 17/00 (2006.01) A61B 5/0275 (2006.01)

Patent

CA 2213353

A method of analysing a signal representing a physical parameter to obtain information from said signal and to extrapolate information contained in said signal and/or to ignore an interfering component in part of said signal, said signal representing either only a first portion of a skew distribution, or a first portion of a skew distribution and a second portion containing an interfering component, in which the area of a skew distribution, preferably a lognormal distribution is measured. The method is particularly applicable to the measurement of cardiac output. Apparatus for carrying out the method is also disclosed.

L'invention est une méthode d'analyse de signaux représentant un paramètre physique servant à extraire des informations de ce signal et à extrapoler les informations contenues dans ce signal et/ou à laisser de côté une composante parasite incorporée à ce signal, ce signal représentant soit une seule partie seulement d'une distribution biaisée, soit une première partie d'une distribution biaisée et une seconde partie contenant une composante parasite, dans lesquelles la région d'une distribution biaisée, de préférence une distribution log-normale, est mesurée. La méthode de l'invention est particulièrement applicable à la mesure des signaux cardiaques. Un appareil utilisant la méthode de l'invention est également divulgué.

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