Caractérisation objective de la qualité de justesse, de timbre et d ...
Caractérisation objective de la qualité de justesse, de timbre et d ...
Caractérisation objective de la qualité de justesse, de timbre et d ...
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Annexe B.___________________________________________________________________________ξa1 ⎪⎧⎨∆ ⎪⎩∆Tac22 2∆T[ ]acn = (1 + g − ). ξ [ n −1] + .U [ n −1] + .(p[ n] + p[ n − ]1 ⎪⎧Ua⎨ a ac a∆ ⎪⎩2∆T2 ∆T∆ = 1+gac+ ωac2 42 21 ⎪⎧∆Tωac∆Tξa 0 = ⎨(1+ gac− ). ξa∆ ⎪⎩2 4ω4a∆Tac2∆TSa2aca[ n] = − ∆T.Sω . ξ [ n −1] + (1 − g − )U [ n −1] + .(p[ n] + p[ n − ]∆TSaω2∆T4µac[ n −1] + .U [ n −1] + p[ n −1]2⎪⎫1 ∆T⎬,M12=⎪⎭∆ 4µac2 21 ⎪⎧2∆Tωac∆T∆T.Sa ⎪⎫1 ∆T.SaUa= T.S a ac . [ n 1] (1 gac)Ua[ n 1] p[ n 1], M0⎨− ∆ ω ξ − + − −− + − ⎬ 22 =∆ ⎪⎩2 42µac ⎪⎭∆ 2µacaa2 2∆T42∆T4µaca∆T.S2µac⎪⎫1 ) ⎬⎪⎭⎪⎫1 ) ⎬⎪⎭Echantillonnage <strong>de</strong> <strong>la</strong> réponse impulsionnelle.ξaU[ ]an = e 2 (cosβ∆T+ sin β∆T).ξ [ n −1] + .U [ n −1]ag a− ∆T⎧⎨⎩g a− ∆T⎪⎧⎨⎪⎩Sω2g2βsin β∆TβS∆TS[ ]a a[ ]a[ ]an = e 2 − ( sinβ∆T).ξ n −1+ (cosβ∆T− sinβ∆T).Un −1+ .p[ n]βaaag2βa⎫⎬ = ξ⎭aa 0, M12⎪⎫⎬⎪⎭= 0.µaβ =Ua 0ω2a= ega−42g a− ∆T2⎪⎧S(aω⎨−⎪⎩β2asin β∆T).ξag∆TS[ n 1] (cos Tasin T).U [ n 1] , Ma− + β∆ − β∆ − = .2βa⎪⎫⎬⎪⎭22µaB-12________________________________________________________________________
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