NDLI: The connection between continuous and discrete lattice filters

Content Provider	IEEE Xplore Digital Library
Author	Ferreira, P.J.S.G.
Copyright Year	1998
Description	Author affiliation: Dept. de Electron. e Telecoms, Aveiro Univ., Portugal (Ferreira, P.J.S.G.)
Abstract	The importance of lattice structures in connection with filtering and prediction has been known for decades. The demand for faster processing has led to steadily increasing sampling rates, and as a result the behavior of the discrete filters as the sampling period tends to zero has become an important theoretical and practical issue. One way of solving the numerical problems that arise in the usual filter structures when the sampling period becomes small compared with the dynamics of the underlying physical processes is to resort to /spl delta/ operators instead of delay operators. Although the interrelations between the continuous and discrete lattice structures have been rarely studied, it is known that the /spl delta/ lattice naturally leads to a continuous form as the sampling rate increases. This paper addresses this point and establishes the rate of convergence of the discrete lattice filter to the continuous filter as a function of the sampling period or of the filter order.
Starting Page	1321
Ending Page	1323
File Size	263833
Page Count	3
File Format	PDF
ISBN	0780344286
ISSN	15206149
DOI	10.1109/ICASSP.1998.681689
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-05-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Lattices Sampling methods Signal sampling Delay Digital filters Signal processing Reflection Convergence Digital signal processing Filtering
Content Type	Text
Resource Type	Article

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