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On the sensitivity analysis of digital filters

✍ Scribed by A. Liberatore; S. Manetti

Publisher
John Wiley and Sons
Year
1980
Tongue
English
Weight
283 KB
Volume
8
Category
Article
ISSN
0098-9886

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✦ Synopsis

Abstract

A very quick and simple algorithm for the overall evaluation of the sensitivity performance of a digital filter is introduced.

To this end, it is shown that the sensitivity of the system function with respect to a given coefficient comes out equal to the output of a special digital network with unitary input. Having defined, then, an β€˜overall sensitivity index’ as the sum of the various network sensitivities, it is shown that such an index can still be considered as the output of a digital network with unitary input. This network is composed of two subnetworks, identical to the original circuit, connected by a special set of branches.

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