
doi: 10.1007/bf02995968
Dans l’etude de la densite spectrale de puissance d’un bruit blanc additionne a un signal a frequence pure par la methode du modele autoregressif, les auteurs etablissent une formule generale permettant d’etalonner cette methode d’analyse en fonction de l’ordre du filtre autoregressif et du rapport signal sur bruit d’entree. L’article montre que, dans l’analyse de frequences pures en presence de bruit blanc, le pouvoir de resolution de la methode du modele autoregressif est caracterise par une largeur de bande dependant du rapport signal sur bruit d’entree et de l’ordre du filtre. Cette largeur de bande est calculee dans le cas general.
Communication theory, statistical model, autoregressive model, sinusoidal signals, power spectrum, calibration, spectral analysis, additive noise
Communication theory, statistical model, autoregressive model, sinusoidal signals, power spectrum, calibration, spectral analysis, additive noise
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