| 摘要 |
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.
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