System identification apparatus using spectrum analysis of reson

Details System identification apparatus using spectrum analysis of reson System identification apparatus using spectrum analysis of reson

1991-01-23

1993-10-05

Harvey, Jack B.

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244164, G06F 1520

Patent

active

052511553

ABSTRACT:
A system identification apparatus determines a transfer function of an object to be identified for input and output signals. Predetermined frequency bands of the input and output signals are sampled through band-pass filters, and the transfer function is calculated according to a method of least squares. A characteristic part of the transfer function is found from the spectrum of the differential of the output signal, and passbands of the band-pass filters are determined to include the characteristic part.

REFERENCES:
patent: 3090583 (1963-05-01), Behun et al.
patent: 4646227 (1987-02-01), Corbin et al.
Eykhoff, "System Identification," John Wiley & Sons, 1974, pp. 66-73, no month.
Vaidyanathan, "Design and Implementation of Digital FIR Filters," Handbook of Digital Signal Processing, Academic Press, Inc., 1987, pp. 55-67, no month.

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