Kalman filter approach to processing electromagnetic data

Details Kalman filter approach to processing electromagnetic data Kalman filter approach to processing electromagnetic data

G - Physics

01

V

G01V 3/02 (2006.01)

Patent

CA 2566867

The method for tracking a sinusoidal electromagnetic signals detected in noisy seismic data using a Kalman filter or other tracking algorithm 34 used to track signal the amplitude variations and detect the signal phase changes over time. The method is used for controlled seismic source electromagnetic surveying where longer seismic source-receiver offsets can cause the seismic source signal to decay significantly and be difficult to retrieve from magnetotelluric or other electromagnetic background 31.

L'invention concerne un procédé de poursuite d'un signal électromagnétique sinusoïdal dans des données bruitées au moyen d'un filtre de Kalman ou d'un autre algorithme de poursuite. Ce procédé est utile pour le levé électromagnétique à source contrôlée dans lequel des décalages source-récepteur importants peuvent entraîner une décroissance importante du signal source et rendre difficile le repérage de ce signal dans un bruit de fond magnétotellurique ou un autre bruit de fond électromagnétique.

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