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.
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| 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. | |||||||||
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| DOI: | 10.1109/ICASSP.1986.1169285 | |||||||||
| 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: | INVALID USER | |||||||||
| Deposited On: | 19 Jul 2017 16:52 | |||||||||
| Last Modified: | 15 Nov 2021 17:46 |
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