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Journal articles on the topic 'IIR-Filter'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

PERIŠIĆ, DJURDJE M. "NEW KIND OF IIR DIGITAL FILTERS INTENDED FOR PULSE PERIOD FILTERING." REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE 69, no. 1 (2024): 61–66. http://dx.doi.org/10.59277/rrst-ee.2024.1.11.

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This paper describes a new kind of infinite impulse response (IIR) digital filter designed for pulse period filtering. The IIR digital filter is designed using a third-order IIR frequency locked loop (IIR FLL), which is based on the time measurement and processing of both, the input and output periods. A general form of the difference equation describing this type of IIR FLL of any order is developed and compared with the corresponding difference equation of classical digital filters. The mathematical analyses in the time domain were performed using the Z transform approach and the theory of l

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PERIŠIĆ, DJURDJE. "GENERALIZATION OF THE TIME INFINITE IMPULSE RESPONSE DIGITAL FILTERS." REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE 69, no. 3 (2024): 327–32. http://dx.doi.org/10.59277/rrst-ee.2024.69.3.12.

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This work describes the generalization of a new kind of infinite impulse response (IIR) digital filter to filter the pulse signal periods. This kind of digital filter was designed using the previously designed frequency-locked loops (FLL), which are based on the time measurement and processing of both the input and output periods. FLL is a linear discrete system. Starting from the general form of difference equation of the IIR FLL digital filter of the third and fourth orders, the transfer functions and Z transform of the outputs are developed for the IIR FLL digital filter of any order. To de

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Hayati, Raisah, Ipan Suandi, and Milawarni Milawarni. "Analisis Performansi Filter Digital IIR untuk Menghilangkan Noise pada Sinyal Suara." Jurnal Litek : Jurnal Listrik Telekomunikasi Elektronika 21, no. 1 (2024): 40–43. https://doi.org/10.30811/litek.v21i1.34.

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Pada proses pengiriman informasi dalam sistem komunikasi selalu terdapat gangguan atau noise. Sifat noise yang acak dan tersebar pada semua frekuensi, tidak dapat dihilangkan seluruhnya namun dapat diminimalisir. Untuk meminimalisir noise biasanya digunakan filter. Filter didefinisikan sebagai sistem atau rangkaian yang melewatkan pita freuensi tertentu yang diinginkan dan meredam pita frekuensi lainnya. Dalam penelitian ini penulis menggunakan filter digital IIR, karena filter digital IIR memiliki respon impulse berdurasi tak hingga sehingga dapat dicocokkan dengan filter analog. Filter digit

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Murdika, Umi, and Yessi Mulyani. "Perancangan Dan Simulasi Filter IIR Menggunakan Graphical User Interface (GUI)." Electrician 11, no. 3 (2018): 114–18. http://dx.doi.org/10.23960/elc.v11n3.2060.

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Intisari--- Pada makalah ini telah disajikan metode mensimulasikan filter IIR menggunakan GUI. Metode ini tidak hanya tergantung pada kode matlab, tetapi juga menampilkan control penggunaan yang dibangun berdasarkan GUI, sehingga semua operasi pemfilteran dapat diselesaikan oleh GUI. Makalah ini menggunakan metode Pole-zero placement, Impulse invariant, Matched z-transform , dan Bilinear z-transfor dalam merealisasikan filter IIR dan untuk sebagai contoh untuk merancang filter low-pass, high-pass and band-pass. Dari simulasi menunjukkan bahwa perancangan berdasrkan GUI ini sangatlah nyaman, ce

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Islamiyah, Murni Sri Rahayu, Rachmad Saptono, and Hadiwiyatno Hadiwiyatno. "Implementasi Metode Transformasi Biliniear Pada Filter Digital Infinite Impulse Response (IIR) Menggunakan Raspberry Pi." Jurnal Jartel: Jurnal Jaringan Telekomunikasi 11, no. 1 (2021): 37–43. http://dx.doi.org/10.33795/jartel.v11i1.28.

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Proses pengiriman informasi selalu terdapat gangguan atau noise, sifat noise tidak dapat dihilangkan namun dapat diminimalisir. Dalam penelitian ini penulis menggunakan Filter Digital IIR dikarenakan filter IIR memiliki impulse berdurasi tak hingga sehingga dapat dicocokkan dengan filter analog yang juga memiliki respon impuls durasi tak hingga.Pada penelitian ini akan dirancang Filter Digital IIR menggunakan metode transformasi bilinier dengan respon filter butterworth, chebyshev tipe 1 dan chebyshev tipe 2 pada MATLAB. MATLAB code digunakan untuk membuat program design filter sesuai dengan s

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Wang, Chun Mei, and Wei Cai Xiao. "Second-Order IIR Notch Filter Design and Implementation of Digital Signal Processing System." Applied Mechanics and Materials 347-350 (August 2013): 729–32. http://dx.doi.org/10.4028/www.scientific.net/amm.347-350.729.

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In this paper the AC power 50Hz power interference, we use IIR digital notch filter method for industrial frequency interference filter. From the design of IIR digital filter method proceed with, on the IIR digital notch filter simulation, the algorithm deduced, on the fixed-point DSP programming method and overflow handling problems made elaborate incisively, and in digital audio signal processing system has been applied.

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Pasquato, L., and Z. Kale. "Adaptive IIR filter initialization via hybrid FIR/IIR adaptive filter combination." IEEE Transactions on Instrumentation and Measurement 50, no. 6 (2001): 1830–35. http://dx.doi.org/10.1109/19.982988.

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8

Zhuang, Yongjie, and Yangfan Liu. "A Stable IIR Filter Design Approach for High-Order Active Noise Control Applications." Acoustics 5, no. 3 (2023): 746–58. http://dx.doi.org/10.3390/acoustics5030044.

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In commercial non-adaptive active noise control (ANC) applications, an IIR filter structure is often used to reduce real-time computations. On the contrary, an FIR filter structure is usually preferred in the filter design phase because the FIR filter design formulation can be convex and is simple to solve. To combine the benefits of both FIR and IIR filter structures, one common approach in ANC applications is to use an IIR filter structure to fit a pre-designed FIR filter. However, to ensure stability, most of the common IIR filter fitting approaches involve the computation and relocation of

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9

Wang, Zixuan. "Different Methods of Linear Phase IIR Filer Realization." Highlights in Science, Engineering and Technology 27 (December 27, 2022): 167–71. http://dx.doi.org/10.54097/hset.v27i.3739.

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Signal processing has become one of the most popular research topics. Researchers have designed a variety of digital filters to exclude unwanted random noises during the transmission or extract part of the signal in the desired range. There is a prevalent trend for digital filters to replace analog ones since they do not require hardwires. All the performances are operated on a single processor and are free from the effect of external factors. Finite impulse response (FIR) and infinite impulse response (IIR) filters in digital filters respectively provide infinite and finite impulse responses.

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10

Ahn, Dong Jun, Keun Sik Kim, Hyun Do Nam, and Eun Woo Shin. "Multi-Channel Active Noise Control System Designs with Fuzzy Logic Stabilized Algorithms." Advanced Engineering Forum 2-3 (December 2011): 96–101. http://dx.doi.org/10.4028/www.scientific.net/aef.2-3.96.

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In active noise control filter, IIR filter structure which used for control filter assures the stability property. The stability characteristics of IIR filter structure is mainly determined by pole location of control filter within unit disc, so stable selection of the value of control filter coefficient is very important. In this paper, we proposed novel adaptive stabilized Filtered_U LMS algorithms with IIR filter structure which has better convergence speed and less computational burden than conventional FIR structures, for multi-channel active noise control with vehicle enclosure signal ca

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Parameshappa, G., and D. Jayadevapp. "Efficient uniform digital filter bank with linear phase and FRM technique for hearing aids." International Journal of Engineering & Technology 7, no. 1.9 (2018): 69. http://dx.doi.org/10.14419/ijet.v7i1.9.9738.

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This paper attempts to present an uniform digital filter bank based on linear phase FIR and IIR filters applied for Frequency Response Masking (FRM) technique in hearing aid applications.In the proposed filter bank, nine uniformly spaced sub-bands are formed with the help of half band filters and masking filters. These nine channel FIR filter bank is realized using an interpolated half band linear phase FIR filter and an appropriate number of masking FIR filters. The nine channel IIR filter bank is realized using an interpolated half band approximately linear phase IIR filter and an appropriat

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12

Leonard, Christopher, and Nabila Husna Shabrina. "Analisis Keefektifan Penggunaan Filter FIR dan IIR pada Sinyal Pernapasan EMGdi dengan Simulasi MATLAB." Ultima Computing : Jurnal Sistem Komputer 12, no. 1 (2020): 29–34. http://dx.doi.org/10.31937/sk.v12i1.1618.

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Instrumentasi medis digunakan untuk mendapatkan dan merekam data sinyal dari tubuh pasien salah satunya adalah sinyal pernapasan. Data dari sinyal pernapasan tersebut mampu mendiagnosa kesehatan pernapasan pasien. Dalam memperoleh data sinyal tersebut, terdapat noise yang mengganggu informasi sinyal yang diperlukan. Pada artikel ini, sinyal input akan dilakukan filter dengan dua tipe filter (filter FIR dengan metode window method dan filter IIR dengan pole-zero placement method atau bilinear transformation method) dan dibandingkan keefektifan kedua tipe filter dalam mengurangi atau menghilangk

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13

Zhu, Dong Xu, Jiu Ying Zhi, and Gang Fu. "A New Frequency Estimator in Multi-Frequency Estimation." Applied Mechanics and Materials 602-605 (August 2014): 3727–30. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.3727.

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By analyzing the second-order and fourth-order IIR filter that affect the variance adaptive prove second-order IIR model has a single peak characteristics, to achieve stable convergence; while the higher-order IIR model polymorphic, so the need for the estimated parameters are initialized conclusions. Proposed use of FFT frequency estimation assisted IIR adaptive filter to achieve more frequent rate estimation, parameter estimation for the multi-point frequencies adaptive selection process provides a theoretical basis.

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14

Sidhu, D. S., J. S. Dhillon, and Dalvir Kaur. "Design of Digital IIR Filter with Conflicting Objectives Using Hybrid Gravitational Search Algorithm." Mathematical Problems in Engineering 2015 (2015): 1–16. http://dx.doi.org/10.1155/2015/282809.

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In the recent years, the digital IIR filter design as a single objective optimization problem using evolutionary algorithms has gained much attention. In this paper, the digital IIR filter design is treated as a multiobjective problem by minimizing the magnitude response error, linear phase response error and optimal order simultaneously along with meeting the stability criterion. Hybrid gravitational search algorithm (HGSA) has been applied to design the digital IIR filter. GSA technique is hybridized with binary successive approximation (BSA) based evolutionary search method for exploring th

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15

Nofa, Widya Khafa, and Dewi Anggraini Puspa Hapsari. "Perbandingan Filter Shen-Castan, Canny-Deriche dan Madenda untuk Citra Digital dengan Gangguan Blur." ICIT Journal 7, no. 1 (2021): 110. http://dx.doi.org/10.33050/icit.v7i1.1451.

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Dengan adanya gangguan noise, dapat mengakibatkan informasi dalam suatu citra menjadi tidak jelas. Selain itu jika noise muncul pada area tepian objek dapat mengakibatkan tepian dari objek menjadi buram dan tidak beraturan serta memungkinkan terjadi pergeseran posisi tepi. Sehingga diperlukan penghilangan atau penghalusan noise pada citra digital tersebut. Filter IIR adalah jenis filter yang memiliki sistem feedfoward dan feedback sekaligus. Hal ini berarti hasilkeluaran dari IIR tidak hanya tergantung pada data sesaat dan data sebelumnya tetapi juga tergantung pada hasil perhitungan sebelumny

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16

Mvuma, Aloys. "Adaptive IIR Filters for Single Interference Suppression in a BPSK DS CDMA System In Rayleigh Fading Channel." Tanzania Journal of Engineering and Technology 30, no. 1 (2007): 65–73. http://dx.doi.org/10.52339/tjet.v30i1.398.

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In this paper, effect of a single narrow-band interference (NBI) on bit error rate (BER) performance for a binary phase shift keying (BPSK) synchronous direct-sequence code-division multiple access (DS CDMA) communication system operating in a frequency nonselective Rayleigh fading channel is analyzed. Second-order adaptive infinite impulseresponse (IIR) notch filters with plain gradient algorithm (GA) for suppression of NBI in the DS CDMA system are proposed. A general closed-form BER expression for the DS CDMA system with NBI suppression second order adaptive IIR notch filters is derived bas

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17

Hamad, Rasha W. "Design and FPGA implementation of 11th order Efficient IIR Wavelet Filter Banks with Approximate Linear-phase." Academic Journal of Nawroz University 7, no. 4 (2018): 207. http://dx.doi.org/10.25007/ajnu.v7n4a291.

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In this paper. Bireciprocal Lattice Wave Digital Filters (BLWDFs) are utilized in an approximate linear-phase in pass-band design of order IIR wavelet filter banks (FBs). These filter banks are efficiently designed by replacement one of branches for (BLWDFs) by only a unit delay. The coefficients of the designed filter are achieved by simulating the IIR response suggested in [1]. The design is first simulated using Matlab programming in order to investigate the resulting wavelet filter properties and to find the suitable wordlength for the BLWDFs coefficients. FPGA implemtation of the proposed

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Hamad, Rasha W. "Design and FPGA implementation of 11th order Efficient IIR Wavelet Filter Banks with Approximate Linear-phase." Academic Journal of Nawroz University 7, no. 4 (2018): 207. http://dx.doi.org/10.25007/ajnu.v7n4a301.

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In this paper. Bireciprocal Lattice Wave Digital Filters (BLWDFs) are utilized in an approximate linear-phase in pass-band design of order IIR wavelet filter banks (FBs). These filter banks are efficiently designed by replacement one of branches for (BLWDFs) by only a unit delay. The coefficients of the designed filter are achieved by simulating the IIR response suggested in [1]. The design is first simulated using Matlab programming in order to investigate the resulting wavelet filter properties and to find the suitable wordlength for the BLWDFs coefficients. FPGA implemtation of the proposed

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Li, Qi Rui, Ming Ming Jiang, Bing Luo, Xiao Ping Hu, and Kang Hua Tang. "Design of Fast Second-Order IIR Low-Pass Filter Based on Parameter Optimization." Applied Mechanics and Materials 644-650 (September 2014): 4382–86. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.4382.

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Second-order IIR low-pass filter is widely used in digital signal processing. A fast filter algorithm without multiplication is proposed for it in this paper. A configuration method for the filter coefficient of fast algorithm is put forward, considering the characteristic of second-order IIR low-pass filter coefficient and the filter’s mathematical model. A performance analysis of fast second-order IIR low-pass filter without multiplication is shown in the paper, and the performance of the fast filter is shown by example using MATLAB simulation. What’s more, the algorithm’s rapidity is verifi

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Mewada, Hiren K., and Jitendra Chaudhari. "Low computation digital down converter using polyphase IIR filter." Circuit World 45, no. 3 (2019): 169–78. http://dx.doi.org/10.1108/cw-02-2019-0015.

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Purpose The digital down converter (DDC) is a principal component in modern communication systems. The DDC process traditionally entails quadrature down conversion, bandwidth reducing filters and commensurate sample rate reduction. To avoid group delay, distortion linear phase FIR filters are used in the DDC. The filter performance specifications related to deep stopband attenuation, small in-band ripple and narrow transition bandwidth lead to filters with a large number of coefficients. To reduce the computational workload of the filtering process, filtering is often performed as a two-stage

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K, Aparna, Vasantharaj A, Sudipta Ghosh, and Bhumika Choksi. "DEVELOPMENT OF HIGH-PERFORMANCE ANALOG AND DIGITAL FILTER FOR BIOMEDICAL SIGNAL PROCESSING." ICTACT Journal on Microelectronics 9, no. 2 (2023): 1539–44. https://doi.org/10.21917/ijme.2023.0268.

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Electromyography (EMG) is a valuable biomedical signal used to study the electrical activity of muscles, providing crucial insights into neuromuscular disorders, motor control, and rehabilitation therapies. However, EMG signals are inherently contaminated with noise and artifacts, challenging the accurate extraction of relevant information. This paper presents a novel approach for enhancing EMG signals using an Infinite Impulse Response (IIR) filter. The IIR filter design was carefully tailored to meet the specific requirements of EMG signal processing, including the extraction of electromyogr

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Zhou, Yue, Xiao Xiao Yao, Jin Xiang Pian, and Yan Qiang Su. "Band-Stop Filter Algorithm Research Based on Nano-Displacement Positioning System." Applied Mechanics and Materials 380-384 (August 2013): 697–700. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.697.

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This paper proposed the algorithms of infinite impulse response (IIR) band-stop filter and all-pass filter to eliminate the inherent frequency for piezoelectric ceramics and improve the control precision for nanodisplacement positioning system. The IIR algorithm was composed of five steps (such as the determination of normalized frequency, filter orders and transfer functions of analog low-pass filter, analog band-stop filter and digital band-stop filter). Based on the experimental simulation results on the nanodisplacement positioning platform, the butterworth band-stop filter algorithm can a

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Rosenbaum, Linnéa, Per Löwenborg, and Håkan Johansson. "Two Classes of Cosine-Modulated IIR/IIR and IIR/FIR NPR Filter Banks." Circuits, Systems and Signal Processing 29, no. 1 (2009): 103–33. http://dx.doi.org/10.1007/s00034-009-9115-6.

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24

Hong Fan and W. Jenkins. "A new adaptive IIR filter." IEEE Transactions on Circuits and Systems 33, no. 10 (1986): 939–47. http://dx.doi.org/10.1109/tcs.1986.1085850.

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25

Burt, P. M. S., and M. Gerken. "A polyphase IIR adaptive filter." IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing 49, no. 5 (2002): 356–59. http://dx.doi.org/10.1109/tcsii.2002.801417.

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Bauer, P. H., M. A. Sartori, and T. M. Bryden. "An IIR median hybrid filter." IEEE Transactions on Signal Processing 40, no. 5 (1992): 1068–78. http://dx.doi.org/10.1109/78.134470.

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27

Perez, H., and S. Tsujii. "New orthogonalised IIR adaptive filter." Electronics Letters 24, no. 25 (1988): 1566. http://dx.doi.org/10.1049/el:19881068.

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Basiri M, Mohamed Asan, and Noor Mahammad Sk. "Configurable Folded IIR Filter Design." IEEE Transactions on Circuits and Systems II: Express Briefs 62, no. 12 (2015): 1144–48. http://dx.doi.org/10.1109/tcsii.2015.2468917.

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Mondal, Dipannita Debasish, and Mukil Alagirisamy. "A Detailed Study on IIR-FIR Filters and Design of a Graphical User Interface for Simulation of EEG Signals." Research Journal of Computer Systems and Engineering 4, no. 2 (2023): 216–25. http://dx.doi.org/10.52710/rjcse.89.

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Electroencephalography (EEG) plays a pivotal role in accepting brain activity and identifying neurological disorders. The precise analysis and explanation of EEG signals require the solicitation of digital signal processing techniques, such as Infinite Impulse Response (IIR) as well as Finite IJmpulse Response (FIR) filters. This paper investigates into a complete exploration of IIR-FIR filters and their application in EEG signal processing. The first part of this research paper involves a detailed examination of IIR and FIR filter types, their mathematical foundations, pros, and cons. Various

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Melzer, Alexander, Andreas Pedross, and Manfred Mücke. "Holistic Biquadratic IIR Filter Design for Communication Systems Using Differential Evolution." Journal of Electrical and Computer Engineering 2013 (2013): 1–14. http://dx.doi.org/10.1155/2013/741251.

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Digital IIR filter implementations are important building blocks of most communication systems. The chosen number format (fixed-point, floating-point; precision) has a major impact on achievable performance and implementation cost. Typically, filter design for communication systems is based on filter specifications in the frequency domain. We consider IIR filter design as an integral part of communication system optimisation with implicit filter specification in thetime domain(via symbol/bit error rate). We present a holistic design flow with the system's bit error rate as the main objective.

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Omar, Abdussalam, Dale Shpak, and Panajotis Agathoklis. "Nearly Linear-Phase 2-D Recursive Digital Filters Design Using Balanced Realization Model Reduction." Signals 4, no. 4 (2023): 800–815. http://dx.doi.org/10.3390/signals4040044.

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This paper presents a new method for the design of separable-denominator 2-D IIR filters with nearly linear phase in the passband. The design method is based on a balanced realization model reduction technique. The nearly linear-phase 2-D IIR filter is designed using 2-D model reduction from a linear-phase 2-D FIR filter, which serves as the initial filter. The structured controllability and observability Gramians Ps and Qs serve as the foundation for this technique. onal positive-definite matrices that satisfy 2-D Lyapunov equations. An efficient method is used to compute these Gramians by mi

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Chang, Wei-Der. "A Modified PSO Algorithm for IIR Digital Filter Modeling." Journal of Circuits, Systems and Computers 27, no. 05 (2018): 1850073. http://dx.doi.org/10.1142/s0218126618500731.

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Modeling for an unknown plant is a very important and primary task in the control system engineering. By using this established model, an adequate controller can be further designed to meet certain control specifications. This paper will propose a new modeling method which is based on the infinite impulse response (IIR) digital filter structure. A modified particle swarm optimization (PSO) with multiple subpopulations is utilized to solve for the IIR filter coefficients to model an unknown digital system. The developed PSO algorithm is able to overcome the multimodal error surface problem that

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Mirkovic, Dejan, Miona Andrejevic-Stosovic, Predrag Petkovic, and Vanco Litovski. "Design of IIR digital filters with critical monotonic passband amplitude characteristic: A case study." Facta universitatis - series: Electronics and Energetics 29, no. 2 (2016): 269–83. http://dx.doi.org/10.2298/fuee1602269m.

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A case study is reported related to the design of IIR digital filters exhibiting critical monotonic amplitude characteristic (CMAC) in the pass band. This kind of amplitude characteristic offers several advantages as compared to its non-monotonic counterparts, although it has not been studied thoroughly so far, if at all. After giving a short overview of the way of CMACs generation, arguments will be listed in favor of the IIR version of the digital filter function realization. Next, the IIR implementation of the digital filters will be considered in short. The main part of the paper will be d

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Jacinta, Potsangbam1 and Manoj Kumar2. "DESIGN AND IMPLEMENTATION OF COMBINED PIPELINING AND PARALLEL PROCESSING ARCHITECTURE FOR FIR AND IIR FILTERS USING VHDL." International Journal of VLSI design & Communication Systems (VLSICS) Vol 10, No 4, August 2019 10, no. 4 (2019): 01–16. https://doi.org/10.5281/zenodo.3387030.

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Along with the advancement in VLSI (Very Large Scale Integration) technology, the implementation of Finite impulse response (FIR) filters and Infinite impulse response (IIR) filters with enhanced speed has become more demanding. This paper aims at designing and implementing a combined pipelining and parallel processing architecture for FIR and IIR filter using VHDL (Very High Speed Integrated Circuit Hardware Descriptive Language) to reduce the power consumption and delay of the filter.  The proposed architecture is compared with the original FIR and IIR filter respectively in terms of sp

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Konopacki, Jacek, and Katarzyna Mościńska. "A Procedure for Quasi-Equiripple Linear-Phase IIR Filters Design." International Journal of Electronics and Telecommunications 56, no. 4 (2010): 393–98. http://dx.doi.org/10.2478/v10177-010-0052-x.

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A Procedure for Quasi-Equiripple Linear-Phase IIR Filters DesignThe linear-phase IIR filters are described in many cases, mainly due to distortion-free transmission of signals. One of the major problems of IIR filter design is stability, which can be obtained with suitable value of group delay τ. This paper concerns calculation of filter orderNand group delay τ in case of quasi-equiripple design of IIR filters. We propose a novel procedure for determiningNand τ values; the procedure is valid for all types of filters with arbitrary number of zeros and a few non-zero poles. Evaluation of the pro

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Kumar, Vinay, and Sunil Bhooshan. "Design of One-Dimensional Linear Phase Digital IIR Filters Using Orthogonal Polynomials." ISRN Signal Processing 2012 (October 16, 2012): 1–7. http://dx.doi.org/10.5402/2012/870276.

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In the present paper, we discuss a method to design a linear phase 1-dimensional Infinite Impulse Response (IIR) filter using orthogonal polynomials. The filter is designed using a set of object functions. These object functions are realized using a set of orthogonal polynomials. The method includes placement of zeros and poles in such a way that the amplitude characteristics are not changed while we change the phase characteristics of the resulting IIR filter.

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Guo, Yan, Shi Dan Li, and De Sheng Wang. "Research of Sea Clutter Suppression Algorithm Based on GPU." Applied Mechanics and Materials 239-240 (December 2012): 1194–201. http://dx.doi.org/10.4028/www.scientific.net/amm.239-240.1194.

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This paper presents an algorithm of sea clutter suppression using graphics processing unit (GPU) to meet the real-time requirement in the general radar terminal system. The main idea is to convert an infinite impulse response (IIR) filter to a finite impulse response (FIR) filter, which is suitable for the parallelization processing of GPU. Finally, the converted FIR filter algorithm is implemented on the GPU efficiently, achieving a speed approximately twice as fast as that of the previous IIR filter algorithm implemented on the CPU.

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V., Rajendra Chary, Shiva Kumar M., Ramakrishna Raju A., and Sandhya M. "Design and Analysis of Digital IIR, Fir Bandpass Filter using DSK6713 Kit." International Journal of Engineering and Advanced Technology (IJEAT) 9, no. 3 (2020): 371–75. https://doi.org/10.35940/ijeat.C5145.029320.

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A digital filter is advantageous over analog filter. Some of its advantages are less complexity, flexibility, portability when compared with analog filters. In this paper, the design of digital IIR and FIR band pass filter is done using DSK6713 hardware kit, the software used is code composer studio 6.0.1. This code composer studio 6.0.1 is used to write the code in c language, which is then dumped on to DSK6713 kit, fda tool of matlab is used for designing coefficients for IIR and FIR filter. Further, the detailed design steps are illustrated in this paper.

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Saha, S. K., Rajib Kar, D. Mandal, and S. P. Ghoshal. "Digital Stable IIR Band Pass Filter Design Using Seeker Optimization Technique." Advanced Materials Research 905 (April 2014): 406–10. http://dx.doi.org/10.4028/www.scientific.net/amr.905.406.

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This paper presents a novel, control parameter independent evolutionary search technique known as Seeker Optimization Algorithm (SOA) for the design of a eighth order Infinite Impulse Response (IIR) Band Pass (BP) filter. A new fitness function has also been adopted in this paper to improve the stop band attenuation to a great extent. The performance of the SOA based IIR BP filter design has proven to be much superior as compared to those obtained by real coded genetic algorithm (RGA) and standard particle swarm optimization (PSO) in terms of highest sharpness at cut-off, smallest pass band ri

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Pan, Shing-Tai. "CSD-Coded Genetic Algorithm on Robustly Stable Multiplierless IIR Filter Design." Mathematical Problems in Engineering 2012 (2012): 1–15. http://dx.doi.org/10.1155/2012/560650.

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A Canonic-Signed-Digit-(CSD-) coded genetic algorithm (GA) is proposed to find the optimal design of robustly stable infinite impulse response digital filter (IIR). Under the characteristics of the CSD structure, the circuit of the filter can be simplified and also the calculation speed can be raised to increase the hardware’s efficiency. However, the design of CSD has a big challenge: the CSD structure of the system parameters will be destroyed by an optimal design procedure. To solve this problem, in this research a CSD-coded GA is proposed so that the CSD structure can be maintained. Moreov

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PNEUMATIKAKIS, A. G., A. G. CONSTANTINIDES, T. DELIYANNIS, and V. ANASTASSOPOULOS. "SIGMA-DELTA IIR FILTER REALIZATION USING THIRD-ORDER REMODULATORS." Journal of Circuits, Systems and Computers 08, no. 04 (1998): 461–72. http://dx.doi.org/10.1142/s0218126698000262.

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In general, Sigma-Delta (ΣΔ) IIR filters are realized using cascades of second-order sections. The existing biquadratic structures do not exploit the high signal-to-noise ratio (SNR) of the higher-order ΣΔ modulators. A second-order IIR structure which achieves this high SNR is proposed. For this purpose a third-order ΣΔ remodulator, necessary to provide the ΣΔ output samples and eliminate the multipliers, is incorporated into the filter structure. The performance of the proposed biquadratic section is investigated and compared to existing counterparts. A cascade of three such sections is used

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Sharma, Vaishali. "Design and Implementation of Efficient IIR Low Pass Filter Based On Vedic Multiplier Algorithm." International Journal for Research in Applied Science and Engineering Technology 12, no. 1 (2024): 115–17. http://dx.doi.org/10.22214/ijraset.2024.57881.

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Abstract: This article presents a state-of-the-art design for a limitless impulse response (IIR) filter that can be easily reconfigured for use in real-time software. Using a vedic multiplication strategy, this work demonstrates the excellent general performance of a recursive or Infinite Impulse Response (IIR) filter. The number of repeats may be kept to a minimum and the processor's overall performance is improved by the reduction of computational delay and hardware. This research investigates the impact of different filter architectures on the development process and overall performance. To

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Zheng, Haotian, and Guobing Qian. "Generalized Maximum Complex Correntropy Augmented Adaptive IIR Filtering." Entropy 24, no. 7 (2022): 1008. http://dx.doi.org/10.3390/e24071008.

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Augmented IIR filter adaptive algorithms have been considered in many studies, which are suitable for proper and improper complex-valued signals. However, lots of augmented IIR filter adaptive algorithms are developed under the mean square error (MSE) criterion. It is an ideal optimality criterion under Gaussian noises but fails to model the behavior of non-Gaussian noise found in practice. Complex correntropy has shown robustness under non-Gaussian noises in the design of adaptive filters as a similarity measure for the complex random variables. In this paper, we propose a new augmented IIR f

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Yue, Dachao, and Haikuan Liu. "The Design Of Intelligent Filter For EEG." MATEC Web of Conferences 232 (2018): 04023. http://dx.doi.org/10.1051/matecconf/201823204023.

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EEG data processing method is usually digital filter designed by the traditional method. Its disadvantage is the transition zone is wide and the filtering effect is poor. Using an improved particle swarm optimization algorithm on IIR digital filters design, the performances of filters designed by various methods are compared and analyzed. Experiments illustrate particle swarm optimization algorithm is effective in IIR filter design and its performance is promising.

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Akansha, Singh, Bansal Riya, and Anand Jatti Dr. "Explaining IIR Filter Using Orthogonal Polynomials and Classical Functions." Journal of Advances in Computational Intelligence Theory 7, no. 1 (2024): 1–8. https://doi.org/10.5281/zenodo.13746265.

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<em>This paper presents a streamlined approach to Infinite Impulse Response (IIR) filter design by combining the orthogonal polynomial method with classical analog filter functions such as Butterworth, Chebyshev, and Elliptic filters. The proposed method leverages the mathematical precision of orthogonal polynomials to achieve linear phase characteristics, while classical filter functions are used to refine the frequency response. This dual approach simplifies the design process, ensuring filter stability and effectiveness with minimal computational overhead. The resulting IIR filters offer a

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Caroline, Caroline, Nabila Husna Shabrina, Melania Regina Ao, Nadya Laurencya, and Vanessa Lee. "Analisis Aplikasi Filter FIR dan Filter IIR dalam Pra-pemrosesan Sinyal Elektroensefalografi." Ultima Computing : Jurnal Sistem Komputer 12, no. 1 (2020): 40–48. http://dx.doi.org/10.31937/sk.v12i1.1621.

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Abstract – Electroencephalography (EEG) is a method used to analyze brain activities, detect abnormalities in brain, and diagnose brain-related disease. To extract information from EEG signal, preprocessing steps such as Fast Fourier Transform (FFT), filter, and wavelet decomposition will be needed. This paper primarily focuses on implementation of Finite Impulse Response (FIR) and Infinite Impulse Response (IIR) filter design in EEG signal preprocessing in MATLAB software. The result of the simulation indicates that each filter design implemented in EEG preprocessing has different performance

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Nilsson, Peter. "Architectures and Arithmetic for Low Static Power Consumption in Nanoscale CMOS." VLSI Design 2009 (January 17, 2009): 1–10. http://dx.doi.org/10.1155/2009/749272.

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This paper focuses on leakage reduction at architecture and arithmetic level. A methodology for considerable reduction of the static power consumption is shown. Simulations are done in a typical 130 nm CMOS technology. Based on the simulation results, the static power consumption is estimated and compared for different filter architectures. Substantial power reductions are shown in both FIR-filters and IIR-filters. Three different types of architectures, namely, bit-parallel, digit-serial, and bit-serial structures are used to demonstrate the methodology. The paper also shows that the relative

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Bujjibabu P. "Optimizing Integrated Circuit Applications with Digital IIR Filtering Architectures." Communications on Applied Nonlinear Analysis 31, no. 8s (2024): 01–11. http://dx.doi.org/10.52783/cana.v31.1442.

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In this research, a high-performance IIR filter for low-power DSP applications is implemented and realized using a MATLAB system generator. There are numerous ways to implement IIR filters, including the Direct Form-I(DF-I), Direct Form-II(DF-II), Cascade, and Parallel Forms. All of these structures offer a selection area for a suitable realization that will decrease power consumption and increase the speed of digital filters. This particular work uses a Xilinx FPGA device to implement a 5th order Low pass IIR filter in DF-I, DF-II, and Cascade Form (DF-I/DF-II). Cascade (Direct Form-I) realiz

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Zhu, Dong Xu, Jiu Ying Zhi, and Gang Fu. "Study on IIR Adaptive Frequency Estimator in the Multi-Frequency Estimation." Applied Mechanics and Materials 602-605 (August 2014): 3731–34. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.3731.

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Propose a use of IIR adaptive frequency estimator to achieve multi-frequency estimation algorithm. Analysis IIR filter characteristics, indicating that the second-order IIR model has a single peak characteristics, to achieve stable convergence; while the higher-order IIR model polymorphic, so the need for the estimated parameters are initialized. More traditional phase locked loop algorithm, which has no mixing components, to achieve the advantages of full-band frequency estimation, frequency estimation accuracy under the same environment and phase locked loop fairly.

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Joelianto, Endra. "On Minimal Second-order IIR Bandpass Filters with Constrained Poles and Zeros." Journal of Engineering and Technological Sciences 53, no. 4 (2021): 210401. http://dx.doi.org/10.5614/j.eng.technol.sci.2021.53.4.1.

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In this paper, several forms of infinite impulse response (IIR) bandpass filters with constrained poles and zeros are presented and compared. The comparison includes the filter structure, the frequency ranges and a number of controlled parameters that affect computational efforts. Using the relationship between bandpass and notch filters, the two presented filters were originally developed for notch filters. This paper also proposes a second-order IIR bandpass filter structure that constrains poles and zeros and can be used as a minimal parameter adaptive digital second-order filter. The propo

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