DocumentCode
750035
Title
Filter digitization based on polynomial interpolation
Author
Rudko, Michael
Author_Institution
Dept. of Electr. Eng. & Comput. Sci., Union Coll., Schenectady, NY, USA
Volume
43
Issue
3
fYear
1995
fDate
3/1/1995 12:00:00 AM
Firstpage
778
Lastpage
781
Abstract
Describes a polynomial interpolation based filter digitization technique which aims to preserve an analog system´s frequency response. It is shown that the procedure is capable of digitizing non-bandlimited, including highpass, analog filters. In most cases considered, it results in digital filters whose frequency response is closer to the frequency response of the analog filter than that of filters designed using impulse invariance or the bilinear transformation
Keywords
approximation theory; digital filters; filtering theory; frequency response; high-pass filters; interpolation; polynomials; analog filters; digital filters; filter digitization; frequency response; highpass filters; non-bandlimited filters; polynomial interpolation; Computational modeling; Digital filters; Digital simulation; Digital systems; Frequency domain analysis; Frequency response; Interpolation; Polynomials; Signal processing; Stability criteria;
fLanguage
English
Journal_Title
Signal Processing, IEEE Transactions on
Publisher
ieee
ISSN
1053-587X
Type
jour
DOI
10.1109/78.370634
Filename
370634
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