T. P. Traitement du Signal MaÃ®trise E.E.A. - LASC

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6 SPTool: A <strong>Signal</strong> Processing GUI Suite L ∏ Hz () = H k () z = k = 1 L b 0k + b 1k z – 1 + ∏ b z– 2 --------------------------------------------------------- 2k 1 + a 1k z – 1 + a z– 2 2k k = 1 The SOS Matrix field specifies a variable name or a value for the L-by-6 SOS matrix b 01 b 11 b 21 1 a 11 a 21 sos = b 02 b 12 b 22 1 a 12 a 22 M M M M M M b 0L b 1L b 2L 1 a 1L a 2L whose rows contain the numerator and denominator coefficients b ik and a ik of the second-order sections of H(z). Note If you import a filter that was not created in SPTool, you can only edit that filter using the Pole/Zero Editor. Importing Spectra When you import a power spectral density (PSD), you specify: • A variable name or a value for the PSD vector in the PSD field • A variable name or a value for the frequency vector in the Freq. Vector field The PSD values in the PSD vector correspond to the frequencies contained in the Freq. Vector vector; the two vectors must have the same length. 6-42
Importing Filters and Spectra into SPTool 6-43
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T. P. Traitement du Signal Maîtris
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a=[1 2; 3 4] et le résultat suivan
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y=exp(i*2*pi*t) que l’on rencontr
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t=0:T/N:T-T/N; y=t.^2+5; plot(t,y);
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t f ∫ t0 f ( t) dt t ⎡ N −1 e
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TP 2 : ANALYSE ET SYNTHÈSE DE SIGN
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Relations entre la série de Fourie
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) Rampe Montrer que: c) Signal modu
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- Pour le signal c), vérifiez que
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Cette figure montre bien qu’il es
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N correspond aux nombres d’échan
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2) Travail demandé 2-1) Analyse d
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TP 4 : UTILISATION DE LA TFD POUR L
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N −1 ∑ x( p)* y( p) = x( m) y(
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c) Autocorrélation d'un sinus brui
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Le schéma de principe qui peut s'a
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R p =3dB Rs=30dB f P1 =95kHz f P2 =
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T. P. Traitement du Signal MaÃ®trise E.E.A. - LASC

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