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IIR FILTER DESIGN DEVELOPMENT TESTING


IIR filters are digital filters with infinite impulse response. The primary advantage of IIR filters over FIR filters is that they typically meet a given set of specifications with a much lower filter order than a corresponding FIR filter. Although IIR filters have nonlinear phase,

Suppression of baseline wander and power line interference in ECG using digital IIR filter
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Abstract Electrocardiogram has considerable diagnostic significance, and application of ECG monitoring are diverse and in wide use. For diagnostic-quality ECG recordings, signal acquisition must be noise free. The signal acquisition is susceptible to the interference from

Power Line Communication Channel Modelling through Concatenated IIR Filter Elements.
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AbstractAccurate power line channel models are an essential asset for the development of advanced power line communication systems. A physically based power line communication channel model is derived. Elements within a power line network, eg line

Analysis of digital iir filter with labview
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ABSTRACT Aiming at importance of virtual instruments in the field of Digital Signal Processing, a digital IIR Filter system is developed using National Instruments (NI) data LabVIEW software package. All the types of IIR filters like Butterworth filters, Chebyshev

Predator prey optimization method for the design of IIR filter
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Abstract:-The paper develops innovative methodology for the robust and stable design of digital infinite impulse response (IIR) filters using predator-prey optimization (PPO) method. Predator-prey optimization is undertaken as a global search technique and exploratory

Realizable warped IIR filter structures
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ABSTRACT Digital filters where unit delays are replaced with fre-quency-dependent delays, such as first order allpass sec-tions, are often called warped filters since they implement filter specifications on a warped non-uniform fre-quency scale. Warped IIR (WIIR) filters cannot be

A hybrid differential evolution method for the design of IIR digital filter
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A multivariable optimization is employed as the design criterion to obtain the optimal stable IIR filter that minimizes the magnitude approximation error and ripple magnitudeIn the transformation technique, analog IIRfilter is designed and then it is converted to digital IIRfilter

Digital IIR filter design using real coded genetic algorithm
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AbstractThe paper develops a technique for the robust and stable design of digital infinite impulse response (IIR) filters. As the error surface of IIR filters is generally multi-modal, global optimization techniques are required to design efficient digital IIR filter in order to

Heuristic search method for digital IIR filter design
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Abstract:-The paper develops innovative methodology for robust and stable design of digital infinite impulse response (IIR) filters using a heuristic search method. The proposed heuristic search method enhances the capability to explore and exploit the search space

Real coded genetic algorithm for design of IIR digital filter with conflicting objectives
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Received: 4 Oct. 2013, Revised: 1 Jan. 2014, Accepted: 2 Jan. 2014 Published online: 1 Sep. 2014 Abstract: A solution methodology for the design of digital infinite impulse response ( IIR ) filter considering multiple conflicting objectives has been proposed

Half-band IIR filter design using MATLAB
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Half-band filter play an important role in multirate digital signal processing. FIR half-band filters are easily designed to exhibit exactly linear phase, but IIR half-band filters provide higher computation speed at the cost of the phase nonlinearity. Hence, the advantage of IIR

Examples of orthonormal wavelet transform implementad with IIR filter pairs
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ABSTRACT This paper considers the wavelet transform generated by iterating orthonormal power-complementary IIR filter pairs with perfect reconstruction properties. For the implementation of complementary IIR filter pair, the realization structure based on two

Suppression of noise in the ECG signal using digital IIR filter
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Abstract:-The electrocardiogram has considerable diagnostic significance, and application of ECG monitoring are diverse and in wide use. For diagnostic-quality ECG recordings, signal acquisition must be noise free. The signal acquisition is susceptible to the

Optimal IIR filter design using novel particle swarm optimization technique
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AbstractThis paper demonstrates the application of an evolutionary heuristic search technique called Novel Particle Swarm Optimization (NPSO) for the optimal design of 6th and 8th order low pass and band pass Infinite Impulse Response (IIR) filters. Conventional

Complementary IIR filter pairs with an adjustable crossover frequency
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ABSTRACT This paper introduces three classes of complementary recursive low-pass/high- pass filter pairs with an adjustable crossover frequency in such a way that the stopband attenuation of both filters remains the same. For each class, the filter pair is constructed

A MAP estimation algorithm with Gibbs prior using an IIR filter
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Abstract. The MAP method is a wide spread technique used in many signal processing problems, eg, image restoration, denoising and 3D reconstruction. When there is a large number of variables to estimate, the MAP method leads to an huge set of linear or non-linear

Modified PSO based adaptive IIR filter design for system identification on FPGA
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ABSTRACT Field programmable gate arrays (FPGAs) are becoming increasingly important implementation platforms for digital circuits. This paper focuses on the implementation of Adaptive Infinite Impulse response ( IIR ) filter on an FPGA using Modified Particle Swarm

16-order IIR filter design using vedic mathematic technique
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Abstract Digital Signal Processing (DSP) plays vital roles in various engineering applications. Vedic mathematics is the ancient mathematics which has a unique technique of mental calculation with the help of simple rules and principles based on 16 sutras. The

32-order IIR filter Design using Vedic mathematics
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Abstract Digital Signal Processing operation using Vedic mathematics which performs the signal processing operations like Convolution, Circular Convolution, Cross Correlation, auto- correlation and filter design. Digital Signal Processing (DSP) operations are very important

Design of Optimal L1 Stable IIR Digital Filter using Hybrid Optimization Algorithm
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The IIRfilter design principally follows two techniques: transformation technique and optimization techniqueThe semi-definite programming relaxation technique has been adopted to formulate the design problem of IIRfilter in a convex form

The application of adaptive IIR filter in active noise control with consideration of strong acoustic feedback
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Abstract In some actual active noise control (ANC) systems, the use of adaptive IIR filter is appealing because the poles of an IIR filter make it possible to obtain well-matched characteristics of sound field with a lower-order structure than an FIR filter. In this paper, the

Second-order IIR Notch Filter Design and implementation of digital signal processing system
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Page 3. The IIRfilter is a single frequency wave trap, when n ( n>1 ) frequency at the same time to notch, according to (2 ) configuration of different center frequency wave trap, then n notch filter connected in series, as shown in figure 3IIRFilter Algorithm and DSP Realization

A correlative criterion for the stability of sigma-delta based IIR filter : Application to an FIR-like bit-stream filter
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Abstract:-Recently we have proposed a structure for single-bit filtering. This structure contains a ternary finite-impulse-response filter cascaded with a first-order infinite-impulse- response ( IIR ) filter . The recursive IIR filter contains a sigma-delta modulator embedded

IIR Filter Design on the TMS320C54x DSP
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ABSTRACT Digital filter design plays an important role in the digital signal processor (DSP) field. The two methods of designing a digital filter are infinite-impulse response (IIR) and finite-impulse response (FIR). If an IIR filter satisfies the same specifications as a FIR filter,

Chebyshev IIR filter sharpening implemented on FPGA
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AbstractFilter design technique called filter sharpening (a new filter created from an existing filter in which the passband ripple is reduced and the stopband attenuation is increased) is presented. The proposed method is applied on the Chebyshev infinite impulse

DesigningFPGA Implementation of IIR Filter Used for detecting clinical information from ECG
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Abstract-This paper describes an approach to design and implementation of digital filter algorthims based on field programmable gate arrays (FPGAs). The advantages of FPGA approach to digital filter implementation include higher sampling rates than are available

An approach to Digital Low-Pass IIR Filter Design
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Abstract The paper describes the design process of discrete network digital low-pass filter with Infinite Impulse Response ( IIR filter ). Based on given parameters that network should meet, and with the use of HDL hardware description language and MATLAB software

Fixed-point- IIR filter challenges
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IIR FILTERS CAN MEET HIGHLY SELECTIVE MAGNITUDEFREQUENCY-RESPONSE SPECIFICATIONS WITH A LOW-ORDER APPROACH. AS SUCH, AN IIR IS OFTEN THE TECHNOLOGY OF CHOICE IN REALIZING FREQUENCY-SELECTIVE TONE DETECTORS,

Analysis of different IIR Filter based on Implementation cost performance
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Abstract-In this paper we examine the optimal implementation cost performance of various IIR Filter which are relevant for real time application therefore these filter can realize any transfer function. these IIR filter is designed and analyzed by FDATOOL and the

An Equivalent FIR Filter for an IIR Filter with Double Frequency Initialization
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AbstractIIR filters designed for steady state operation suffer from the transient effect caused by processing a finite number of samples. Their performance can be improved by using the initialization technique. This paper presents an equivalent FIR filter for an IIR filter

Design of High Order Digital IIR Filter using Heuristic Optimization Technique
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AbstractThe paper establishes methodology for the stable and robust design of high order infinite impulse response (IIR) digital filters using nature inspired technique known as Particle Swarm Optimization (PSO). PSO has been applied to design the stable digital IIR

Performance Analysis of IIR Digital Band Stop Filter
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The pole-zero plot of a system, filter in this case, determines the stability of the predesigned IIR Band-stop filter. Index Terms IIRfilter Digital filter, Band-stop filter, filter design, Modified Analog-to-Digital Mapping algorithm, coefficient

IIR half-band filter design with TMS320VC33 DSP
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A half-band IIRfilter can have fewer multipliers than the FIR filter for the same sharp cut-off specification

Design and Realization of IIR Digital Band Stop Filter Using Modified Analog to Digital Mapping Technique
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The IIRfilter is of recursive type, ie the present output sample depends on the present input samples, past input samples and past output samplesIndex Terms IIRfilter Band-stop filter, Advanced analog to digital frequency mapping, coefficients

A new stable adaptive IIR filter for active noise control systems
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ABSTRACT The multimodal error surface and instability problem of adaptive IIR filters invokes more research. In this paper, an algorithm with the required conditions for stability is proposed based on hyperstabilty theory and evaluated in active noise control systems. The

Teaching-Learning Based Optimization Technique for the Design of LP and HP Digital IIR Filter
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Abstract:-In this paper, the Lp-norm error criterion is employed to design stable digital infinite impulse response ( IIR ) filter . A heuristic optimization technique known as teaching-learning based optimization (TLBO) is applied for the design of 3rd order low pass (LP) and high

Direct Frequency Domain IIR Filter Design Methods
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1.1 Summary In this section, an interpolation design method was developed and analyzed. Use of the DFT converted the frequency-domain specifications to the time domain. A matrix partitioning allowed uncoupling the solution for the numerator from the solution of the Abstract-In this paper, a dynamic adjusting strategy is introduced into the quantum-behaved particle swarm (QPSO) algorithm, which is called DAQPSO. The strategy is proposed to analyse the control parameter of QPSO and is based on the relationship between the

Fixed-point implementation of two-channel IIR filter banks with variable crossover frequency
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ABSTRACT A simple tuning scheme that shifts the crossover frequency of the start-up IIR half-band filter pair to the desired location has been introduced recently. In this paper, the approximation of the tuning scheme is derived in a manner that makes this scheme suitable

Higher Order Optimal Stable Digital IIR Filter Design Using Heuristic Optimization
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Abstract This paper proposes the innovative methodologies for the robust and stable design of optimal stable digital infinite impulse response (IIR) filters using different mutation variants of hybrid differential evolution (HDE). A multivariable optimization is employed as the design

Variable IIR filter sections with high accuracy independently tunable center frequency and bandwidth
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Abstract. A new method to design tunable band-pass and band-stop IIR digital filters with higher accuracy of tuning is proposed in this paper. It is based on cascade realization and spectral transformations connected to proper development or selection and design of

Design and Analysis of Low Pass FIRIIR Filter and Find Optimum Result Using Neural Network
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Abstract-This paper is only based on the computational analysis. First of all taking window method for designing low pass FIR filter and the window equation for the different window is coded in the Matlab and find out the result by changing filter order randomly 21 to 54 and

Implementation of digital IIR filter using VHDL on VIRTEX-6 (XC6VSX475T) FPGA
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Impulse Response) filter is done on VIRTEX-6 FPGA using VHDL (Very High Speed Integrated Circuit Hardware Description Language) in XILINX Integrated Software Environment. IIR filter is analytically simulated by simulink environment in MATLAB. The

Design analysis of IIR filter for power line interference reduction in ECG signals
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Abstract In this paper, interference due to 50Hz power line in the electrocardiogram (ECG) measurement is reduced with the help of IIR filters. Pick up of hum from power line is a very common phenomenon in the measurement of ECG signals. It is of prime need to reduce the ABSTRACT A new structure of echo canceller for two wire subscriber loop transmission system is proposed in which a first-order IIR filter is connected in tdndem to the conventional FIR filter. The proposed IIR filter effectively cancels the longtailportion of the echo path

Asymmetric cosine modulated causal IIR/FIR NPR filter banks
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ABSTRACT This paper introduces a class of asymmetric cosine mod- ulated causal IIR/FIR filter banks. The analysis bank is an IIRfilter bank and thus has lower complexity than the syn- thesis bank consisting of FIR filters. The overall complexity is however kept low

ARMA spectral estimation by an adaptive IIR filter
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Abstract An ARMA spectral estimation method by an adaptive innite impulse response (HR) lter is proposed. The adaptive HR lter consists of conventional feed-forward tapped delay line and an eztra feedback tapped delay line. The feedback is taken from the residual error

Efficient 2D Linear-Phase IIR Filter Design and Application in Image Filtering
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AbstractWe present an efficient and novel procedure to design two-dimensional (2D) linear-phase IIR filters with less hardware resource. A 2D linear-phase FIR filter prototype is first designed using semidefinite programming (SDP). The prototype filter is then

Design of higher order digital IIR low pass filter using hybrid differential evolution
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Migration strategy is applied to maintain the diversity in the population. The above proposed hybrid technique has been applied effectively to solve the multi-parameter optimization problem of higher order low-pass stable digital IIRfilter design

Design of 2-D IIR filter with linear phase using modified digital spectral transformation
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Design of adaptive complex IIR notch filter bank for detection of multiple complex sinusoids
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Cascaded power symmetric IIRfilter banks and continuity constrained adaptive algorithms for acoustic echo cancellation in subbands ,

Real-Time frequency tracking using novel adaptive harmonic IIR notch filter
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void AtoD() { int i; sample=mcbsp0_read(); /* ADC, sampling rate = 8 kHz*/ //adaptive harmonic IIR notch filter for(i=2; i>0; i--) /* update input buffer */ { x[i]=x[i-1]; } x =(float) sample; /* load input sample */ for (i=2;i>0;i--) /* update output buffer for each section IIRfilter */

IIR filter design and analysis using notch and comb filter
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ABSTRACT Digital IIR Notch and IIR Comb filters are employed in various communication systems to eliminate unwanted narrow band interference of unwanted frequencies. In this paper the cost analysis and resource analysis of both the filters has been done. The Notch

Active Sound and Vibration Control: Active Noise Control Inside A Short Duct Using Adaptive Iir Filter With Variable Step Size
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Abstract FIR filter for a adaptive filter algorithm, is mostly used for an active noise control system. However, FIR filter needs to have more large size of the filter length than it of IIR filter . Therefore, the control system using FIR adaptive filter has slow calculation time. In the

A gui for IIR digital filter design using analog to digital mapping
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IIRfilter is essentially a digital filter which depends not only upon the Input data but also upon one or more previous output values. A variety of techniques are available for the designing of IIR FiltersKeywords: Digital Filter, IIRFilter Butterworth, Chebyshev and Elliptic Filters

Analysis of the IIR filter design using particle swarm optimization method
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ABSTRACT-In this paper we Analysis the IIR filter design using PSO method. The simulations of designing IIR have been done and the simulation results show that the method of IIR tilter design proposed in this paper is better than the method of genetic

Minimal coefficient wordlength of two half-band IIR filter structures
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Abstract. For a set of magnitude response requirements an analysis of the minimal coefficient wordlength of two half-band IIR filter structures is executed. It is shown that the usual cascade structure may be more preferable in comparison to the structure based on

Digital IIR Filter Design Using Genetic Algorithm and CCGA Method
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Abstract The Cooperative Coevolutionary Genetic Algorithm is an optimization method which can be used to design digital filter with infinite impulse response (IIR). In addition to magnitude response, this method calculates linear approximation of phase response in pass

Determination of optimum coefficients of IIR Digital Butterworth Band-Stop Filter
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Abstract Infinite Impulse Response( IIR ) filter is of recursive type ie the present output sample depends on the present input samples, past input samples and past output samplesIndex Terms IIRfilter Digital filters, Band Stop Filter, coefficient, analog to digital mapping

Design of IIR digital filter using Simulated Annealing
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IIRfilter is essentially a digital filter with Recursive responsesBecause an IIRfilter uses both a feed-forward polynomial (zeros as the roots) and a feedback polynomial (poles as the roots), it has a much sharper transition characteristic for a given filter order

Design of Digital IIR Low Pass Filter Using Particle Swarm Optimization (PSO)
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ABSTRACT Digital filter plays an important role in todayworld of computation and communication. On the other hand to design a digital infinite impulse response ( IIR ) filter satisfying all the required conditions is a challenging one

ELECTRONICS COMPONENTS SALES AND SERVICE-INTEGRATED CIRCUIT-ANALOG, DIGITAL, DSP, RF IC, WIRLESS IC, VLSI, CAPACITOR, RESISTOR, INDUCTOR, PCB, MODULE, SENSOR