Évaluation à grand rendement et non destructive du colmatage des voies ferroviaires NDT-Fouling

( (0) (1) … ( ) (1) (2) … ( + 1) ⋮ ⋮ ⋮ ⋮ ( − − 1) ( − ) … ( − 1) ) × 2 ≤ ≤ 2 3 [ ] = [ ] ∙ [ ] ∙ [ ] [ ] σ 1 ≈ 10 − ≤ ≤ − [ ] [ ] [ ] = [ 1 , 2 , … , ] [ ] [ ] [ ] [ ] [ ] {[ ] − [ ]} ( (0) (1) ⋮ ( − 1) ) = ( 1 1 ⋯ 1 1 2 ⋮ ⋮ ⋮ ⋮ ⋮ 1 ( −1) 2 ( −1) ⋯ ( −1) )( 1 2 ⋮ )