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Passive cascaded-lattice structures for low-sensitivity FIR filter design, with applications to filter banks

Vaidyanathan, P. P. (1986) Passive cascaded-lattice structures for low-sensitivity FIR filter design, with applications to filter banks. IEEE Transactions on Circuits and Systems, 33 (11). pp. 1045-1064. ISSN 0098-4094. http://resolver.caltech.edu/CaltechAUTHORS:VAIieeetcs86b

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Abstract

A class of nonrecursive cascaded-lattice structures is derived, for the implementation of finite-impulse response (FIR) digital filters. The building blocks are lossless and the transfer function can be implemented as a sequence of planar rotations. The structures can be used for the synthesis of any scalar FIR transfer function H(z) with no restriction on the location of zeros; at the same time, all the lattice coefficients have magnitude bounded above by unity. The structures have excellent passband sensitivity because of inherent passivity, and are automatically internally scaled, in an L_2 sense. The ideas are also extended for the realization of a bank of MFIR transfer functions as a cascaded lattice. Applications of these structures in subband coding and in multirate signal processing are outlined. Numerical design examples are included.


Item Type:Article
Additional Information:© Copyright 1986 IEEE. Reprinted with permission. Manuscript received July 2, 1985; revised June 6, 1986. This work was supported m part by the National Science Foundation under Grant ECS 84-04245 and in part by Caltech’s program in Advanced Technology sponsored by Aerojet General, General Motors, GTE, and TRW.
Record Number:CaltechAUTHORS:VAIieeetcs86b
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:VAIieeetcs86b
Alternative URL:http://ieeexplore.ieee.org/xpls/abs_all.jsp?isnumber=23575&arnumber=1085867&count=13&index=9
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ID Code:5874
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Deposited On:06 Nov 2006
Last Modified:26 Dec 2012 09:15

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