Filters








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On the design and implementation of FIR and IIR digital filters with variable frequency characteristics

C.K.S. Pun, S.C. Chan, K.S. Yeung, K.L. Ho
2002 IEEE transactions on circuits and systems - 2, Analog and digital signal processing  
Index Terms-Design and implementation, finite-impulse response (FIR) filters, infinite-impulse response (IIR) filters, least squares design, model reduction, multiplier block, variable or tunable digital  ...  This paper studies the design and implementation of finite-impulse response (FIR) and infinite-impulse response (IIR) variable digital filters (VDFs), whose frequency characteristics can be controlled  ...  Deng for reprints of his papers on variable digital filters and useful discussion, which greatly improved the presentation of this paper.  ... 
doi:10.1109/tcsii.2002.807574 fatcat:6xmdw6jth5enhf5kwyena254lu

Implementation of Fractional Fourier Transform in Digital Filter Design

Pendyala V. Muralidhar, Aditya Institute of Technologyand Management, Tekkali, India, S. K. Nayak, Trinath Sahu
2020 Journal of Communications  
Also for the first time, we are presenting the FIR and IIR filters with four variables and also implement a differentiator using window based analysisthus,it'sa new beginning in the analysis of analog  ...  Most of the time, the selections of a window function is made on trial and error basis.  ...  Aditya Institute of Technologyand Management, Tekkali, for their valuable support to complete this thesis.  ... 
doi:10.12720/jcm.15.3.289-302 fatcat:jarjpht7cbcl3fos3h5js7yo44

A New Method for Designing Causal Stable IIR Variable Fractional Delay Digital Filters

K.M. Tsui, S.C. Chan, H.K. Kwan
2007 IEEE Transactions on Circuits and Systems - II - Express Briefs  
This paper studies the design of causal stable Farrowbased infinite-impulse response (IIR) variable fractional delay digital filters (VFDDFs), whose subfilters have a common denominator.  ...  The design of such IIR VFDDFs is based on a new model reduction technique which is able to incorporate prescribed flatness and peak error constraints to the IIR VFDDF under the second order cone programming  ...  Moreover, a new design method for IIR VFDDFs using a new constrained model reduction technique is proposed.  ... 
doi:10.1109/tcsii.2007.903784 fatcat:qc43h2vggneplpkrjpppk6gjgm

A New Method for Designing FIR Filters With Variable Characteristics

S.C. Chan, C.K.S. Pun, K.L. Ho
2004 IEEE Signal Processing Letters  
The impulse response of the variable digital filter (VDF) is parameterized as a linear combination of functions in the spectral or tuning parameters.  ...  This letter proposes a new method for designing finite-impulse response (FIR) filters with variable characteristics.  ...  Deng for providing us with his papers on variable digital filter designs.  ... 
doi:10.1109/lsp.2003.821686 fatcat:r37ozhmcj5bprm5z2nykowpiwm

The use of almost linear phase IIR filters in DFT modulated filter banks for communication systems

Mathias de Cacqueray-Valmenier, Adem Coskun, Izzet Kale
2016 2016 IEEE 17th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)  
The WestminsterResearch online digital archive at the University of Westminster aims to make the research output of the University available to a wider audience.  ...  Abstract-This paper is on the use and performance of M -path polyphase Infinite Impulse Response (IIR) filters for channelisation, conventionally where Finite Impulse Response (FIR) filters are preferred  ...  (a) due to the use of guardbands. It is a well known phenomenon that the number of coefficients used to implement a digital filter in turn affects the performance of a digital filter.  ... 
doi:10.1109/spawc.2016.7536754 dblp:conf/spawc/Cacqueray-Valmenier16 fatcat:vzh3ths4kzcq5odk3a25hmydsq

Design and implementation of approximately linear phase two-dimensional IIR filters

Chengshan Xiao, P. Agathoklis
1998 IEEE transactions on circuits and systems - 2, Analog and digital signal processing  
A new method for designing separable denominator two-dimensional (2-D) infinite impulse response (IIR) digital filters with approximately linear phase in the passband is proposed.  ...  Furthermore, a lower bound for the number of bits required for a 2-D IIR filter implementation with free of overflow oscillations is given.  ...  ACKNOWLEDGMENT One of the authors, C. Xiao, would like to thank Prof. D. J. Hill for his encouragement and helpful discussions.  ... 
doi:10.1109/82.718596 fatcat:h4yeduzuknfuddmh73fka4yy4u

The Application of Spectral Representations in Coordinates of Complex Frequency for Digital Filter Analysis and Synthesis [chapter]

Alexey Mokeev
2011 Digital Filters  
Three new methods of analog and digital IIR and FIR filters analysis at semi-infinite and finite input signals were presented on the basis of the research into the spectral representations features of  ...  14) ( ) x k A   1   k y D    k y Z ( ) x k  C N B IIR filter + ( ) y k  1 z  T C www.intechopen.com The application of spectral representations in coordinates of complex frequency for digital  ...  are the m-th elements of A , B , D vectors.  ... 
doi:10.5772/15241 fatcat:7pf5yv3mwzbnvmb2gd6tcylpli

A Novel Adaptive LMS Algorithm with Genetic Search Capabilities for System Identification of Adaptive FIR and IIR Filters

Amjad J. Humaidi, Ibraheem Kasim Ibraheem, Ahmed R. Ajel
2019 Information  
In this paper we introduce a novel adaptation algorithm for adaptive filtering of FIR and IIR digital filters within the context of system identification.  ...  the power spectral density of the input signal and the Fourier-transform of the input's correlation matrix.  ...  Conflicts of Interest: The authors declare no conflicts of interest.  ... 
doi:10.3390/info10050176 fatcat:smlng2zikbbfriemleaaoisqta

A System Identification Based Approach for Design of IIR Digital Filters with Robust Stability

Masayoshi NAKAMOTO, Tomohiro HIRAKAWA, Toru YAMAMOTO
2017 SICE Journal of Control Measurement and System Integration  
In this paper, we present a new method for the design of IIR filters without iterative optimization.  ...  Finally, design examples are presented to illustrate the effectiveness of the proposed method by designing a high-pass and low-pass IIR digital filter.  ...  Acknowledgments This work was supported by the Grant-in-Aid for Scientific Research (C) (Grant No. 25420372) from Japan Society for the Promotion of Science (JSPS).  ... 
doi:10.9746/jcmsi.10.288 fatcat:qbh6xxsbezbrrmjovcgcuw5l2q

Multidimensional orthogonal filter bank characterization and design using the Cayley transform

Jianping Zhou, M.N. Do, J. Kovacevic
2005 IEEE Transactions on Image Processing  
We present a complete characterization and design of orthogonal infinite impulse response (IIR) and finite impulse response (FIR) filter banks in any dimension using the Cayley transform (CT).  ...  Based on this characterization, we propose efficient methods to design MD orthogonal filter banks and present new design results for both IIR and FIR cases.  ...  Design Examples of 2-D Quincunx IIR Orthogonal Filter Banks With Vanishing Moments In this subsection, we consider the design of 2-D quincunx orthogonal IIR filter banks as an illustration of the CT design  ... 
doi:10.1109/tip.2005.847323 pmid:15971775 fatcat:w2sn6l3l6zcmjomdxsjz7yffaa

Real Time Harmonic Analysis of Recuperative Current through Utilization of Digital Measuring Equipment

P. Spanik, J. Sedo, P. Drgona, M. Frivaldsky
2013 Elektronika ir Elektrotechnika  
This paper deals with device for online, real time analysis of recuperative current with use of microprocessor.  ...  This system is used in railway transport for measurement and analysis of recuperative-currents from converter in railway engine.  ...  Filter was designed using analog to digital transformation method or design by emulation method.  ... 
doi:10.5755/j01.eee.19.5.4364 fatcat:e7gucpic25as7dutixk4rltcuu

Adaptive IIR and FIR Filtering using Evolutionary LMS Algorithm in View of System Identification

Ibraheem Kasim
2018 International Journal of Computer Applications  
Our aim in this paper is to show how simple adaptive IIR filter can be used in system identification.  ...  Convergence analysis of the LMS algorithm in the case of colored input signal, i.e., correlated input signal is demonstrated via the input's power spectral density and the Fourier transform of the autocorrelation  ...  The algorithm is designed in such a way that as soon as the adaptive IIR filter is found to have a sluggish convergence or to be trapped at a local minimum, the adaptive IIR digital filter parameters are  ... 
doi:10.5120/ijca2018917740 fatcat:6qn4yedjrnekxgpayec3fdbyae

New Design Methods for Two-Dimensional Filters Based on 1D Prototypes and Spectral Transformations [chapter]

Radu Matei
2011 Digital Filters  
The design methods in the frequency domain described in this chapter are also based on spectral transformations, or frequency transformations, a term more often used in text.  ...  Other proposed methods avoid from the start the use of bilinear transform and the filter coefficients result through a change of frequency variable and a bivariate Taylor or  ...  www.intechopen.com New Design Methods for Two-Dimensional Filters Based on 1D Prototypes and Spectral Transformations 107 An advantage of the second design method is that it avoids the use of the bilinear  ... 
doi:10.5772/15369 fatcat:otv5w66dc5bx3lhisgc2nmq3re

Design of IIR digital filters with critical monotonic passband amplitude characteristic: A case study

Dejan Mirkovic, Miona Andrejevic-Stosovic, Predrag Petkovic, Vanco Litovski
2016 Facta universitatis - series Electronics and Energetics  
A case study is reported related to the design of IIR digital filters exhibiting critical monotonic amplitude characteristic (CMAC) in the pass band.  ...  The main part of the paper will be devoted to the design sequence of this kind of filters which will be illustrated on the example of a band-pass filter obtained by a set of transformations from an all-pole  ...  In that way ) ( 1 1 2 ) ( d a a z H z z T H s H            (6) is obtained, where H a stands for the transfer function of the analog filter, while H d stands for that of the digital filter.  ... 
doi:10.2298/fuee1602269m fatcat:yzwrzls7ejadbbvfdmc7rccfy4

Page 3115 of Mathematical Reviews Vol. 58, Issue 4 [page]

1979 Mathematical Reviews  
implications of these conditions for the design of minimum- phase FIR filters and stable IIR filters are discussed.  ...  Spectral factorization and quarter-plane digital filters. IEEE Trans. Circuits and Systems 25 (1978), no. 8, 586-592.  ... 
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