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Design of doubly-complementary IIR digital filters, using a single complex allpass filter

Vaidyanathan, P. P. and Regalia, P. and Mitra, S. K. (1986) Design of doubly-complementary IIR digital filters, using a single complex allpass filter. In: ICASSP '86. IEEE International Conference on Acoustics, Speech, and Signal Processing. Vol.11. IEEE , Piscataway, NJ, pp. 2547-2550. https://resolver.caltech.edu/CaltechAUTHORS:20170718-174605100

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Abstract

It is shown that a wide class of real-coefficient, doubly-complementary IIR transfer-function pairs can be implemented by means of a single complex allpass filter. For a real input sequence, the real part of the output sequence of the complex allpass filter corresponds to one of the transfer functions G(z) (for example, low-pass), whereas the imaginary part of the output sequence corresponds to its "complementary" filter H(z) (for example, highpass). Since the resulting implementation is structurally lossless, G(z) and H(z) have very low passband-sensitivity. Numerical design examples are included to demonstrate the ideas.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1109/ICASSP.1986.1169285DOIArticle
http://ieeexplore.ieee.org/document/1169285/PublisherArticle
Additional Information:© 1986 IEEE. Work supported in part by NSF grants ECS 84-04245 and ECS 85-08017 and in part by Caltech's PAT grant.
Funders:
Funding AgencyGrant Number
NSFECS 84-04245
NSFECS 85-08017
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Record Number:CaltechAUTHORS:20170718-174605100
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20170718-174605100
Official Citation:P. Vaidyanathan, P. Regalia and S. Mitra, "Design of doubly-complementary IIR digital filters, using a single complex allpass filter," ICASSP '86. IEEE International Conference on Acoustics, Speech, and Signal Processing, 1986, pp. 2547-2550. doi: 10.1109/ICASSP.1986.1169285
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:79178
Collection:CaltechAUTHORS
Deposited By: Kristin Buxton
Deposited On:19 Jul 2017 16:52
Last Modified:03 Oct 2019 18:17

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