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Comb Filters Characteristics and Current Applications

Comb Filters Characteristics and Current Applications

Miriam Guadalupe Cruz-Jimenez, David Ernesto Troncoso Romero, Gordana Jovanovic Dolecek
Copyright: © 2018 |Pages: 12
ISBN13: 9781522522553|ISBN10: 1522522557|EISBN13: 9781522522560
DOI: 10.4018/978-1-5225-2255-3.ch522
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MLA

Cruz-Jimenez, Miriam Guadalupe, et al. "Comb Filters Characteristics and Current Applications." Encyclopedia of Information Science and Technology, Fourth Edition, edited by Mehdi Khosrow-Pour, D.B.A., IGI Global, 2018, pp. 6007-6018. https://doi.org/10.4018/978-1-5225-2255-3.ch522

APA

Cruz-Jimenez, M. G., Romero, D. E., & Dolecek, G. J. (2018). Comb Filters Characteristics and Current Applications. In M. Khosrow-Pour, D.B.A. (Ed.), Encyclopedia of Information Science and Technology, Fourth Edition (pp. 6007-6018). IGI Global. https://doi.org/10.4018/978-1-5225-2255-3.ch522

Chicago

Cruz-Jimenez, Miriam Guadalupe, David Ernesto Troncoso Romero, and Gordana Jovanovic Dolecek. "Comb Filters Characteristics and Current Applications." In Encyclopedia of Information Science and Technology, Fourth Edition, edited by Mehdi Khosrow-Pour, D.B.A., 6007-6018. Hershey, PA: IGI Global, 2018. https://doi.org/10.4018/978-1-5225-2255-3.ch522

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Abstract

The comb filter is a very popular linear-phase filter due its simplicity, i.e. all its coefficients are equal to unity. As a consequence, it does not require multipliers or coefficients storage. This characteristic makes this filter attractive for many applications, as for example, in decimation, communications, digital audio, among others. However, the comb filter presents passband droop and a poor attenuation in the stopband region. In this proposal, the comb filter characteristics are reviewed and illustrated with one example. Additionally, the selected methods commonly used to improve the magnitude characteristics of a comb filter will be described and illustrated with examples.

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