Joshi, Y. V. ; Roy, S. C. D. (1998) Design of IIR notch filters with different passband gains IEE Proceedings - Vision, Image, and Signal Processing, 145 (1). pp. 6-10. ISSN 1350-245X
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Official URL: http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumb...
Related URL: http://dx.doi.org/10.1049/ip-vis:19981687
Abstract
A method is proposed for the design of infinite-duration impulse response (IIR) notch filters with different passband gains using the standard lowpass IIR digital-filter design methods. This method satisfies the notch-frequency specification exactly and realises a rejection bandwidth, defined by the frequencies at which the gain is 3 dB below the lower of the two passband gains, which is smaller than that specified. Illustrative examples are given.
Item Type: | Article |
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Source: | Copyright of this article belongs to The Institution of Electrical Engineers. |
Keywords: | Design; IIR Notch Filters; Passband Gains; Infinite-duration Impulse Response Notch Filters; Standard Lowpass IIR Digital-filter Design Methods; Notch-frequency Specification; Rejection Bandwidth; Frequencies |
ID Code: | 9911 |
Deposited On: | 02 Nov 2010 10:28 |
Last Modified: | 01 Jun 2011 11:24 |
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