SERIE RE5ERRCH IREniORRHDR THE AREA ENCLOSED BY THE (ORIENTED) NYQUIST DIAGRAM AND THE HILBERT-SCHMIDT-HANKEL NORM OF A LINEAR SYSTEM by
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چکیده
In this note it is shown that the Hilbert-Schmidt-Hankel norm (HSH-norm) of a transfer function of a stable system is equal, up to a constant factor, to the square root of the area enclosed by the oriented Nyquist diagram of the transfer function (multiplicities included). A generalization is presented for the case of systems which have no poles on the stability boundary, but otherwise have no restrictions on the pole locations.
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تاریخ انتشار 2007