Centre National De La Recherche Scientifique

Université De Rennes 1

Denis Grenier

Hervé Saint-Jalmes

A method and apparatus for characterizing a sample using a nuclear magnetic resonance spectrameter in which an effective field is generated. The field has an effective vector and results from a static magnetic field and a radiofrequency magnetic field. The effective vector rotates relative to a terrestrial reference frame.

Method for characterizing a sample by NMR spectroscopy with acquisition during the generation of a radiofrequency magnetic field

Processing a complex signal includes acquisition of a signal in the form of complex numbers; determination, on the basis of the complex signal acquired, of an associated hypercomplex signal having a component which is the complex signal and at least one component that is a time derivative of the phase of the required complex signal; processing of the hypercomplex signal so that the resulting signal from the processing comprises a greater number of components than the number of components of the acquired signal.

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Lyons, France

Denis Grenier