Analytical instruments using a pseudorandom array of sample...

Details Analytical instruments using a pseudorandom array of sample... Analytical instruments using a pseudorandom array of sample...

G - Physics

01

N

G01N 37/00 (2006.01) H01J 1/00 (2006.01) H01J 49/10 (2006.01) H01J 49/40 (2006.01) H04K 1/00 (2006.01)

Patent

CA 2475132

Novel methods and structures are disclosed herein which employ pseudorandom sequences to spatially arrange multiple sources in a pseudorandom source array. The pseudorandom source array can replace the single source in analytical instruments relying on spatial separation of the sample or the probe particles/waves emitted by the sources. The large number of sources in this pseudorandom source array enhances the signal on a position sensitive detector. A mathematical deconvolution process retrieves a spectrum with improved signal-to-noise ratio from the detector signal.

L'invention concerne des nouveaux procédés et de nouvelles structures faisant appel à des séquences pseudo-aléatoires pour l'arrangement spatial de sources multiples dans un ensemble de sources pseudo-aléatoires. Cet ensemble de sources pseudo-aléatoires peut remplacer une source unique dans les instruments d'analyse nécessitant la séparation spatiale de l'échantillon ou des particules/ondes d'exploration émises par les sources. Le nombre important de sources de cet ensemble des sources pseudo-aléatoires permet de renforcer le signal au niveau d'un détecteur sensible à la position. Un processus de déconvolution mathématique permet de dériver du signal du détecteur un spectre présentant un rapport signal/bruit amélioré.

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