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A rational interpolation method to compute frequency responseA rational interpolation method for approximating a frequency response is presented. The method is based on a product formulation of finite differences, thereby avoiding the numerical problems incurred by near-equal-valued subtraction. Also, resonant pole and zero cancellation schemes are developed that increase the accuracy and efficiency of the interpolation method. Selection techniques of interpolation points are also discussed.
Document ID
19940010171
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Kenney, Charles (California Univ. Santa Barbara, CA, United States)
Stubberud, Stephen (California Univ. Santa Barbara, CA, United States)
Laub, Alan J. (California Univ. Santa Barbara, CA, United States)
Date Acquired
September 6, 2013
Publication Date
February 15, 1993
Publication Information
Publication: JPL, Proceedings of the Fifth NASA(NSF)DOD Workshop on Aerospace Computational Control
Subject Category
Structural Mechanics
Accession Number
94N14644
Funding Number(s)
CONTRACT_GRANT: AF-AFOSR-0240-91
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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