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GENERALIZED DIGITAL BUTTERWORTH FILTER DESIGN
"... This paper presents a formula-based method for the design of IIR filters having more zeros than (nontrivial) poles. The filters are designed so that their square magnitude frequency responses are maximally-flat at ¡£¢¥ ¤ and at ¡£¢§ ¦ and are thereby generalizations of classical digital Butterworth ..."
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This paper presents a formula-based method for the design of IIR filters having more zeros than (nontrivial) poles. The filters are designed so that their square magnitude frequency responses are maximally-flat at ¡£¢¥ ¤ and at ¡£¢§ ¦ and are thereby generalizations of classical digital Butterworth
Generalized Digital Butterworth Filter Design
- IN PROC. IEEE INT. CONF. ACOUST., SPEECH, SIGNAL PROCESSING (ICASSP
, 1995
"... This paper presents a formula-based method for the design of IIR filters having more zeros than (nontrivial) poles. The filters are designed so that their square magnitude frequency responses are maximally-flat at ! = 0 and at ! = ß and are thereby generalizations of classical digital Butterworth fi ..."
Abstract
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Cited by 13 (4 self)
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This paper presents a formula-based method for the design of IIR filters having more zeros than (nontrivial) poles. The filters are designed so that their square magnitude frequency responses are maximally-flat at ! = 0 and at ! = ß and are thereby generalizations of classical digital Butterworth
E.: Butterworth filtering and implicit fairing of irregular meshes
- In Proceedings of Pacific Graphics (2003
"... In this paper, we propose efficient numerical techniques for Butterworth filtering and implicit fairing of large irregular triangle meshes, where the corresponding filters are rational polynomials and the resulting large linear systems need to be solved iteratively. We show that significant speed-up ..."
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Cited by 5 (2 self)
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In this paper, we propose efficient numerical techniques for Butterworth filtering and implicit fairing of large irregular triangle meshes, where the corresponding filters are rational polynomials and the resulting large linear systems need to be solved iteratively. We show that significant speed
Butterworth Filters, Scaling functions and Frame Wavelets
"... We give a regularity analysis of the Butterworth scaling function and provide various con-structions of frame wavelets via the unitary extension principle. In general, there is no precise regularity estimate for Butterworth scaling function. Here, an optimal estimate of the decay of the Fourier tran ..."
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transform of the Butterworth scaling function is given. The regularity of the But-terworth scaling function can then be deduced and hence, the regularity of the corresponding frame wavelets. We also show that the Butterworth scaling function tend to the Shannon scaling function as the Butterworth filter
Time-varying Butterworth filters with compensated group delay
- in Proc. 17th IMEKO World Congress on Metrology for a Sustainable Development, Rio de Janeiro, Brasil, 17–22 September 2006, CD-ROM
"... Abstract: This paper presents the concept of time-varying Butterworth filters with linear phase response. The compensation of the phase characteristics is carried out with the aid of the phase shifter system. The paper shows that it is possible to shorten the transient state in low-pass phase-compen ..."
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Cited by 1 (1 self)
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Abstract: This paper presents the concept of time-varying Butterworth filters with linear phase response. The compensation of the phase characteristics is carried out with the aid of the phase shifter system. The paper shows that it is possible to shorten the transient state in low-pass phase
Study of Signal Denoising using Kaiser Window and Butterworth Filter
"... Abstract: A signal in the communication system is the information containing part which is to be process, but during the processing of the signal some noise is added in the signal and signal becomes noisy. This is now mandatory to eliminate this noise from the signal to get information from the sign ..."
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the signal. In this paper, a wavelet filter based on Butterworth IIR filter and Kaiser Window FIR filter is designed for the signal analysis. Butterworth low pass IIR filter has limited application in signal denoising. It has maximally flat response in the pass band and, therefore, the filter has distorted
A Study of Butterworth Filter Based on Operational Transconductance Amplifier
"... Abstract-This study presents different structure of operational transconductance amplifier (OTA) which is an integral part of continuous time channel selection filter. It was observed that to enhance the linearity and to reduce the third order harmonic distortion, linearity schemes are used however ..."
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Abstract-This study presents different structure of operational transconductance amplifier (OTA) which is an integral part of continuous time channel selection filter. It was observed that to enhance the linearity and to reduce the third order harmonic distortion, linearity schemes are used
A numerical design approach for single amplifier, Active-RC Butterworth filter of order 5 H.Gaunholt,
"... Abstract – A design method is presented for the design of all pole lowpass active-RC filters applying operational amplifiers. The operational amplifier model used is the integrator model: ωt/s where ωt is the unity gain frequency. The design method is used for the design of a fifth order Butterworth ..."
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Butterworth filter applying just one operational amplifier coupled as a unity gain amplifier. It is shown that the influence from the real operational amplifier may be reduced by trimming just one resistor in the circuit. The unity gain amplifiers have the advantage of providing low power consumption
ISSN: 2230-7109(Online) Performance evaluation of Butterworth Filter for Signal Denoising 1
"... A signal in the communication system is the information containing part which is to be process, but during the processing of the signal some noise is added in the signal and signal becomes noisy. This is now mandatory to eliminate this noise from the signal to get information from the signal. In thi ..."
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. In this paper, a wavelet filter based on Butterworth IIR filter is designed for the signal analysis. Butterworth low pass IIR filter has limited application in signal denoising. It has maximally flat response in the pass band and, therefore, the filter has distorted output. It makes Butterworth filter little
Results 1 - 10
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246
