filter design research papers

filter design research papers








Development of a New Arterial-Line Filter Design Using Computational Fluid Dynamics Analysis
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ABSTRACT Arterial-line filters used during extracorporeal circulation continue to rely on the physical properties of a wetted micropore and reductions in blood flow velocity to affect air separation from the circulating blood volume. Although problems associated with air 

Front-End Amplifier and RC Filter Design for a Precision SAR Analog-to-Digital Converter
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Successive-approximation (SAR) ADCs offer high resolution, excellent accuracy, and low power consumption. Once a particular precision SAR ADC has been chosen, system designers must determine the support circuitry needed to obtain the best results. The three 

Two Novel Implementations of the Remez Multiple Exchange Algorithm for Optimum FIR Filter Design
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One of the main advantages of the linear-phase FIR filters over their IIR counterparts is the fact that there exist efficient algorithms for optimizing the arbitrary-magnitude FIR filters in the minimax sense. In case of IIR filters, the design of arbitrary-magnitude filters is usually time 

NOVEL BAND-PASS FILTER DESIGN USING PHOTONIC MULTIPLE QUANTUM WELL STRUCTURE WITH p-POLARIZED INCIDENT WAVE AT 1550 nm
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ABSTRACT Transmittance of one-dimensional photonic multiple quantum well structure is numerically computed using transfer matrix technique for normal and oblique incidence of p- polarized electromagnetic wave. Dimensional configuration and material composition of 

VHDL design for image segmentation using Gabor filter for disease detection
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ABSTRACT Tonsillitis, Tumor and many more skin diseases can be detected in its early-state and can be cured. For this a new idea for efficient Gabor filter design with improved data transfer rate, efficient noise reduction, less power consumption and reduced memory 

General Stopband Filter Design Report
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Problem Statement The purpose of this project is to find the transfer fucntion H(s) of an equal-ripple passband/general purpose stopband lowpass filter. The requirement for the passband attenuation between DC and 1MHz is 0.1dB. The piece-wise constant stopband 

Design of A Miniatured Planar Dual-Band Filter Using Embedded Metamaterial Resonators (EMRs)
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ABSTRACT A novel dual band filter has been proposed. It is shown that the two transmission bands can be excited and designed using proposed resonators which combine an open- loop resonator and the composite right/left-handed (CRLH) material structure. The CRLH 

Minimax passband group delay nonlinear phase peak constrained FIR filter design without imposing desired phase response
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ABSTRACT In this paper, a nonlinear phase finite impulse response (FIR) filter is designed without imposing a desired phase response. The maximum passband group delay of the filter is minimized subject to a positivity constraint on the passband group delay response 

MATLAB Based Digital IIR Filter Design
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ABSTRACT a fundamental aspect of signal proces signal by passing or blocking certain portions o paper, Digital filters are designed using freque design, which includes function, calls to filter alg design algorithms are available in Matlab for b Matlab to design digital IIR 

Filter design using multi-bragg reflectors
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ABSTRACT In this paper, we present the use of mathematical modeling of dielectric mirror known as known as a Bragg reflector for optical design. A device system consists of the identical alternating layers using high and low refractive indices. Results obtained have 

Performance Analysis of FIR Filter Design by Using Rectangular, Hanning and Hamming Windows Methods
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ABSTRACT Digital filter are widely used in the world of communication and computation. On the other hand to design a digital finite impulse response (FIR) filter that satisfying all the required conditions is a challenging one. In this paper, design techniques of low pass FIR 

Inverse-Based Local Loop Shaping and IIR-Filter Design For Precision Motion Control
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ABSTRACT In motion-control problems such as vibration rejection, periodical reference tracking, and harmonic disturbance cancellation, the disturbances/references share a common characteristic of exhibiting concentrated energies at multiple bands of 

Finite frequency filter design for networked control systems with missing measurement
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ABSTRACT This paper is concerned with the problem of robust filter design for networked control systems (NCSs) with random missing measurements. Different from existing robust filters, the proposed one is designed in finite-frequency domain. With consideration of 

Weighted Sum Capacity Maximization Using a Modified Leakage-Based Transmit Filter Design.
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ABSTRACT This paper proposes a linear transmit filter design to maximise Weighted Sum Capacity (WSC) in multiuser Multiple-Input Multiple-Output (MU-MIMO) systems. The proposed scheme is based on a modified signal-to-leakage-plus-noise ratio (SLNR) 

New energy-to-peak FIR filter design for systems with disturbance: A convex optimization approach
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ABSTRACT This paper proposes a new energy-to-peak filter (EPF) with a finite impulse response (FIR) structure for linear systems with disturbance. The filter is referred to as an energy-to-peak FIR filter (EPFF). The energy-to-peak performance criterion is minimized in 

Active Filter Design Using Two OTA based Floating Inductance Simulator
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ABSTRACT In this paper design of low pass RLC filter is using two OTA based floating Inductor is presented. The circuit implementation is based on the use of OTA and Double output OTA (DO-OTA) as an active element and a grounded capacitor. The resulting inductance can 

Gabor Filter Design for Fingerprint Application Using Matlab and Verilog HDL
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ABSTRACT This paper demonstrates the application of Gabor Filter technique to enhance the fingerprint image. This work produces change in Gabor filter design by increasing the quality of an output which helps in higher security applications. The incoming signal in form of 

Compact Microstrip Low-Pass Filter Design with Ultra-Wide Reject Band using a Novel Quarter-Circle DGS Shape
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ABSTRACT A novel quarter-circle defected ground structure shape is introduced in this paper to design and implement an ultra-wide reject band low-pass filter (LPF). Moreover, an equivalent circuit model (ECM) is presented. The proposed LPF has small size and, a low 

THE APPLICATION OF PARTICLE SWARM OPTIMIZATION TO PASSIVE POWER FILTER DESIGN FOR 3PHASE 4-WIRE SYSTEM WITH BALANCE AND
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This paper proposes an optimal design method for Passive power filters (PPFs) power filters set at high voltage levels to satisfy the requirements of Harmonic filtering and reactive power compensation. Multi objective Optimization models for PPF were constructed. Detuning 

A Review on Reconfigurable Low Pass Bandstop Filter Based on Technology, Method andDesign
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ABSTRACT Reconfigurable filter technology is in robustness development. Due on the tunable and reconfigurable capability will contribute a various advantages in wireless applications. This tuning selectivity consist a numerous method, for example using varactor, 

Optimal IIR Filter Design using Novel Particle Swarm Optimization Technique
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ABSTRACT This 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. 

A Modified Estimation of Distribution Algorithm for Digital Filter Design
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ABSTRACT Estimation of Distribution Algorithms (EDAs) are a class of probabilistic model- building evolutionary algorithms, which are characterized by learning and sampling the probability distribution of the selected individuals. This paper proposes a modified EDA ( 

Tutorial 10: Application of convex optimization in FIR filter design
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Page 1. Tutorial 10: Application of convex optimization in FIR filter design Jiaxian Pan  Design objective The objective is to choose h such that H(?) satisfies some specifications. Chebychev filter design: |H(?) - D(?)| = E(?) for all ? ? [0,p], where D(?) is the desired freq. 

Novel Particle Swarm Optimization for Low Pass FIR Filter Design
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ABSTRACT This paper presents an optimal design of linear phase digital low pass finite impulse response (FIR) filter using Novel Particle Swarm Optimization (NPSO). NPSO is an improved particle swarm optimization (PSO) that proposes a new definition for the velocity 

A Low Pass FIR Filter Design Using Particle Swarm Optimization Based Artificial Neural Network
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ABSTRACT For the design of Low pass FIR filters complex calculations are required to calculate the filter coefficients. Mathematically, by substituting the values of pass band, transition width, pass band ripple, stop band attenuation and sampling frequency in any of 

ON FIXED-ORDER FILTER DESIGN FOR UNCERTAIN CASCADED 2-1 SIGMA-DELTA MODULATORS: A DILATED PLANT APPROACH
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ABSTRACT This paper presents a new method to design the digital filters for correcting uncertain 2-1 cascaded sigma-delta (S?) modulators. The main contribution of this paper consists of two parts. First, we develop a new filter design method, based on H? loop 

Implementation of Low Power Digital FIR Filter Design Based on Low Power Multipliers And Adders
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ABSTRACT This paper presents the methods to reduce dynamic power consumption of a digital Finite Imppulse Respanse (FIR) filter these methods include low power serial multiplier and serial adder, combinational booth multiplier, shift/add multipliers, folding transformation in 

A New Method for the C-Type Passive Filter Design
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ABSTRACT The paper presents the new C-type high harmonic power filter design process whose aim is the reduction of total harmonic distortion in an industrial power supply system. A new method for C-type filter design is proposed and an example of the method 

M-based Filter Design for Communication and Imaging Systems
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ABSTRACT The MATLAB M language provides constructs for the simple representation of functions, and has been used extensively for algorithm development and verification in communication and imaging systems design. The M language processes entire arrays 

Current-mode Biquadratic Universal Filter Design with Two Terminal Unity Gain Cells
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ABSTRACT A grounded parallel lossy active inductor and two current-mode (CM) universal filters are presented in this paper. All the circuits use two voltage followers (VFs) and a current follower (CF). The parallel lossy active inductor includes a grounded capacitor 

Linear Programming Algorithms for Sparse Filter Design
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 Linear Programming Algorithms for Sparse Filter Design Ludwig Mohr, Peter Reinprecht SPSC Signal Processing 1, Seminar Sparse Filter Design Direct design 

Digital Filter Design Techniques of Microwave Filters
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ABSTRACT Design techniques of microwave filters have been one of the major issues in Radio frequency circuit design. Though sincere effort has been made in this field but still the procedures employed are a bit cumbersome and tedious to work with. In this paper, an 

Design and Optimization of Parallel Coupled Microstrip Bandpass Filter for FM Wireless Applications
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ABSTRACT Design and optimization of a parallel-coupled microstrip bandpass filter for FM wireless applications is presented in this paper. The filter is designed and optimized at a center frequency of 6 GHz. Half wavelength long resonators and admittance inverters are 

Digital IIR Filter Design using Real Coded Genetic Algorithm
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ABSTRACT The 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 

1 GHz CMOS Band-pass Filter Design Using an Active Inductor and Capacitor
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ABSTRACT This work offers the use of an active inductor and capacitor to build RF band-pass filter with 0.18 µm and TSMC process. Based on the proposed structure, a prototype 1 GHz active filter designed and simulated in a 0.18 µm CMOS technology. Simulation results for 

DESIGN AND SIMULATION OF MICROSTRIP EDGE-COUPLED BAND PASS FILTER FOR GPS APPLICATION
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ABSTRACT In this paper, band pass filter (BPF) development with the assistance of the Richards-Kuroda Transformation method, on the basis of the known Chebyshev-Lowpass Filter, is presented. The filter is operated at downlink frequency segment of 1.5 GHz for 

Microwave photonic filter design via optical frequency comb shaping
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Microwave photonic techniques have been developed to enhance the performance of ultra- broadband radio-frequency system . The use and advantages of microwave photonics have been described in various references in the literature [1-4]. The idea of photonic 

Bayesian filter design for time-domain impedance representa-tion in acoustic finite difference methods
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Wave acoustic simulation methods are becoming increasingly useful for solving scientific and engineering problems in acoustics, and among them, finite difference methods offer flexible and relatively efficient solutions. For realistic simulations, frequency-dependent 

AN DIGITAL FILTER DESIGN SCHEME BASED ON MATRIX TRANSFORMATION
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ABSTRACT This work discussed the design steps of digital filter and methods of transformation from analog domain to digital domain. In order to use computer to solve the problem of recursive function whose order is N, this work derivates a transformed 

Current Search and Applications in Analog Filter Design Problems
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ABSTRACT The AI (artificial intelligent) search techniques have become acceptable worldwide as the most efficient and powerful tools for various real-world problems. In this paper, a novel meta-heuristic optimization algorithm named the CS (current search) is proposed. 

Filter Design for a Class of Nonlinear Target Tracking with Transmission Delays and Packet Dropouts in Network
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ABSTRACT The tracking performance of traditional nonlinear target tracking systems degenerates significantly when there is a probability of delays and packet dropouts in wireless sensor networks. A filter based on confidence weighted fusion is designed. First, 

Finite Impulse Response (FIR) Filter Design using Canonical Signed Digits (CSD)
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ABSTRACT In the presented work, it is proposed to design and analyze a high order FIR filter based on canonical signed digits representation of coefficients in order to minimize the power consumption and fast implementation of the filter. The designed FIR filter is 

Design of Butterworth and Chebyshev1 Lowpass Filter for Equalized Group Delay
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ABSTRACT This paper presents a direct design of Infinite Impulse Response filters (IIR filters) which minimizes group delay without changing the magnitude response of filters. In this paper Butterworth and Chebyshev1 lowpass filters are designed by using allpass filters. 

Design of PID Controller with Filter for Distributed Parameter Systems?
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ABSTRACT This paper presents a method for tuning simple controllers for distributed parameter systems in the process industry. These systems are usually described by partial differential equations (PDE), which are then simplified into lumped parameter systems 

Design and realization of a two-stage microring ladder filter in silicon-on-insulator
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ABSTRACT We report the design and experimental realization of a new type of microring filters consisting of two parallel-cascaded microring doublets connected by a p-phase shift element. Interference between the two secondorder microring stages gave rise to a fourth- 

Design and Simulation of Edge-coupled Stripline Band Pass Filter for Ka Band Application
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ABSTRACT In this paper, band pass filter (BPF) development with the assistance of the Richards-Kuroda Transformation method, on the basis of the known Chebyshev-Lowpass Filter, is presented. This suggested filter consists of four edge-coupled striplines. The filter 

Design and implementation of IIR Notch filter for removal of power line interference from noisy ECG signal
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ABSTRACT In Digital signal processing, IIR notch filter used to remove an unknown noise component in ECG signal lying within a 60 Hz frequency range. This paper gives the design appropriate signal processing algorithms for the refinement of ECG signals so that their 

Molecular Filter On-Chip Design. J Biosens Bioelectron 3: 120. doi: 10.4172/2155-6210.1000120 Page 2 of 4 Volume 3• Issue 3• 1000120 J Biosens
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ABSTRACT This paper presents the use of a modified add-drop optical filter known as a PANDA microing resonator which can be designed on a chip. By using an optical tweezer, the required molecules can be trapped and moved to the required destinations, where finally, 

Application of Implicit Space Mapping in Aid of Design of Sub-harmonic Mixer with CMRCFilter
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ABSTRACT In recent years, the CMRC filter has been an attractive candidate for use in mixer and frequency multiplier circuits to improve the performance due to its low-insertion loss, sharp rejection, shorter size and wider stop-band. However, complex structures, too much 

Large-angle scattered light measurements for quantum-noise filter cavity design studies
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ABSTRACT Optical loss from scattered light could limit the performance of quantum-noise filter cavities being considered for an upgrade to the Advanced LIGO gravitational-wave detectors. This paper describes imaging scatterometer measurements of the large-angle 

digital filter research papers



Digital filter and square timing recovery
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ABSTRACT Digital realizations of timing recovery circuits for digital data transmission are of growing interest. In this paper, we present a new digital algorithm which can be implemented very efficiently also at high data rates. The resulting timing jitter has been 

8-channel Digital Filter Bank for Hearing Aid Use: Preliminary Results
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Abstract A digital 8-channel signal processing system has been implemented using a TMS 32OC25 signal processor. Tests with hearing-impaired subjects showed that the system allows a better fit to a speci?ed frequency response than when using conventional 

On the frequency response of M-channel mixed analog and digital maximally decimatedfilter banks
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Abstract Mixed analog/digital maximally decimated filter banks find applications in high- speed analog-to-digital conversion. Such filter banks use an analog analysis filter bank and a digital synthesis filter bank. In the design of the filter banks, a distortion (transfer) function 

Digital filter design at gate-level using evolutionary algorithms
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Abstract Traditionally digital filters are designed using the concept of a linear difference equation with the output response being a weighted sum of signal samples with usually floating point coefficients. Unfortunately such a model is necessarily expensive in terms of 

Practical analog and digital filter design
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This book was intentionally written to be different from other filter design books in two important ways. First, the most common analog and digital filter design and implementation methods are covered in a no-nonsense manner. All important derivations and descriptions 

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 

A multi-output second-order digital filter structure for VLSI implementation
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ABSTRACT A multi-output second-order digital filter structure without zero-input and constant- input oscillations is presented. It could be used for the realization of low-pass, high-pass, band-pass, and band-stop Butterworth, chebyshev, and elliptic digital filters, and all-pass 

Digital filter design through simulated evolution
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ABSTRACT An evolutionary algorithm is used to design a finite impulse response digital filter with reduced power consumption. The proposed design approach combines genetic optimization and simulation methodology, to evaluate a multi-objective fitness function 

Recursive digital filter design by linear programming
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Most of the work carried out on the application of optimization techniques to the design of digital filters has been concerned with either the design of nonrecur- sive filters using linear programming or the design of recursive and nonrecursive filters using non- linear techniques. This 

Asymmetric filter banks for mitigation of mismatch errors in high-speed analog-to-digitalconverters
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Abstract Analog-to-digital converters (ADCs) are often the most critical components in, eg, electronics for telecommunications applications, ie, they tend to determine the overall system performance. Hence, it is important to determine their performance limitations and 

Comparison of digital filter design methods for 3-D sound
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Abstract In this paper, we will compare filter design methods for binaural and transaural processing. Most of the HRTF filter design techniques use a linear frequency scale approach with additional weighting functions in some cases. The human ear, however, processes 

Digital elliptic filter application for noise reduction in ECG signal.
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ABSTRACT Digital filters plays very important role in the processing of the low frequency signals. Numbers of biomedical signals are of the low frequency. The ECG signal, which preliminary represents the condition of the heart. It has the frequency range form. 5 Hz to 

A parallel VLSI architecture for a digital filter of arbitrary length using Fermat number transforms'
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The overlap-save method is generalized for the FNT to compute a linear convolution of arbitrary length. A parallel architecture is developed to realize this type of overlap-save method using one FNT and several inverse FNTs of 128 points. The generalized 

Design and implementation of digital FIR equiripple notch filter on ECG signal for removal of power line interference
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ABSTRACT Filtering of power line interference is very meaningful in the measurement of biomedical events recording, particularly in the case of recording signals as weak as the ECG. The available filters for power line interference either need a reference channel or 

Assimilation of radar reflectivity data using a diabatic digital filter within the Rapid Update Cycle
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Despite a significant research effort over the past two decades, the prediction of convective storms and the associated warm season precipitation prediction problem remains a formidable modeling and assimilation challenge. The large forecast uncertainty 

Construction of a high-pass digital filter from a low-pass digital filter
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Methods Four applications of the high-pass digital filter demonstrate its usefulness in removing low-frequency noise. In the first two applications, a high-pass filter was constructed and applied to two 6-second samples of EMG from a series of flexor digitorurn longus 

Digital implementation of a tail cancellation filter for the time projection chamber of the ALICE experiment
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Abstract In the ALICE TPC (Time Projection Chamber), the readout chambers are conventional proportional chambers with cathode pad readout. The pad signal has a rather complex shape, which depends on the details of the chamber and the pad geometry, 

FIR Equiripple digital filter for reduction of power line interference in the ECG Signal
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ABSTRACT Present paper deals with design and development of digital FIR equiripple filter. The basic ECG has the frequency range from. 5Hz to 100Hz. Artifacts plays the vital role in the processing of the ECG signal. It becomes difficult for the Specialist to diagnose the 

Variable digital filter response time in a digital distance relay
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JM Kennedy, GE Alexander Twentieth Annual Western 1993 researchgate.net This paper will investigate the effect of digital filtering on the operating time of a generic digital distance relay. Two popular filtering approaches will be considered: the Cosine Filter and the Fourier Filter. The effects of several variables, such as sampling rate, fault location 

Enhancing the baseline Alma correlator performances with the Second Generation Correlatordigital filter system
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ABSTRACT Characteristics of the digital filter bank initially proposed for the Second Generation Correlator (2GC) are summarized and we show that this filterbank can be adapted to the Baseline ALMA Correlator design to enhance the number of spectral channels and its 

A digital filter structure composed of allpass filters and an FIR filter for wideband filtering
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ABSTRACT A digital filter structure for wideband filtering is proposed. It consists of two allpass filters and a linearphase FIR filter. One major advantage of this structure is that the allpass filters are functions of zM which implies that the maximal sample frequency is M times 

Radar reflectivity-based initialization of precipitation systems using a diabatic digital filterwithin the Rapid Update Cycle
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SS Weygandt, SG Benjamin 18th Conf. Num. Wea. 2007 www-frd.fsl.noaa.gov Despite a significant research effort over the past two decades, the prediction of convective storms and the associated warm season precipitation prediction problem remains a formidable modeling and assimilation challenge. The large forecast uncertainty 

A digital filter method for forced response computation
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Abstract Transient forced response of mechanical structures is usually computed using time domain integration. This is often computationally costly, and the numerical precision and stability are concerns. In the present paper, a novel method based on modal 

Low Power Multiplication Schemes for Single Multiplier CMOS Based F1SR Digital FilterImplementations
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Abstract Two multiplication schemes are investigated for the low power implementation of FIR filters through the reduction of switching activity within the multiplier section of the filters. The schemes, which target single multiplier CMOS based DSP processors, are 

Matlab based Digital IIR filter design
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ABSTRACT a fundamental aspect of signal proces signal by passing or blocking certain portions o paper, Digital filters are designed using freque design, which includes function, calls to filter alg design algorithms are available in Matlab for b Matlab to design digital IIR 

A comparison of three lattice wave digital filter implementations
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Abstract Three VLSI implementations of a third-order lattice wave digital filter are compared with respect to: maximal sample frequency, chip area, and power consumption. Two of the implementations are maximally fast, bit-serial implementations while the third is 

A novel approach to the design of oversampling complex-modulated digital filter banks
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Abstract This paper addresses the minimisation of the overall disturbances of the output signal of an oversampling DFT subbandcoder filter bank. These disturbances are separated into aliasing and imaging. By means of the definitions of these disturbance components, 

A new approach to digital FIR filter design using the tabu search
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Abstract The Tabu Search method has proved to be efficient in many cases applied to digital filter design. However, the starting point chosen can affect the output quality, the computing time and the performance. In this paper, we present a new strategy to improve 

Digital filter design for I/Q imbalance compensation
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Abstract All communication receiver structures utilizing I/Q signal processing share the problem of matching the amplitudes and phases of the I-and Q-branches. In practise, the imbalances are unavoidable and this results in finite and in many cases insufficient 

Nonlinear digital implementation of the Moog ladder filter
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Abstract This paper presents a non-linear digital implementation of the Moog ladder filter. The implementation is relatively efficient and suitable for inclusion into real-time systems, for example virtual analog synthesizers. The analog circuit is analyzed to 

Designing Filters Using the Digital Filter Design Tools in the Signal Processing Toolset
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The importance of digital filters is well established. Digital filters, and more generally digital signal processing algorithms, are classified as discrete-time systems. They are commonly implemented on a general purpose computer or on a dedicated digital signal processing ( 

Realization of a nonlinear digital filter on a DSP array processor
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ABSTRACT This paperpresents the performance evaluation of a fast third-orderV olterradigital filtering algorithm mapped onto an A T TDSP-3 parallel processor. Five differ entimplementations are considered. Sp eed-upresults indic atethat the time-skewing"  

Hardware Implementation of Sobel-Edge Detection Distributed arithmetic Digital Filter
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Theory of multi-bunch resistive wall instability damping using feedback system with a digital filter
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Transverse feedback systems (TFS) are used in syn- chrotrons to damp the coherent transverse beam oscilla- tions. In t,hese systems the kicker (DK) corrects the beam angle according to the beam deviation from the closed or- bit in the pick-up (PU) location at each turn. A classical 

A sequential robust method to finite wordlength coefficient FIR digital filter design
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Abstract This paper describes a novel branching strategy using the branch and bound technique for the design of finite word length optimal digital filters. Using an extrapolated solution, the presented technique offers good performances in a low algorithmic 

A comparison of recursive filter and spectral methods for digital correction of pressure measurements distorted by tubing response
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TM Huang, RGJ Flay of Fifth UK Wind Engineering Society 2002 learning-from-data.com The present investigation is focussed on two methods for correcting pressure signals for distortions introduced by the tubes used to convey the surface pressure to the transducer. This is because it is important to have unity gain and linear phase shift up to at least 

Digital pulse-shaping filter basics
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Data transmission systems that must operate in a bandwidthlimited environment must contend with the fact that constraining the bandwidth of the transmitted signal necessarily increases the likelihood of a decoding error at the receiver. Bandwidth limited systems 

Radar reflectivity-based initialization of precipitation systems using a diabatic digital filter
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S Weygandt, S Benjamin, JM Brown Preprints, 33rd Int. Radar 2007 ams.confex.com Despite a significant research effort over the past two decades, the prediction of convective storms and the associated warm season precipitation prediction problem remains a formidable modeling and assimilation challenge. The large forecast uncertainty 

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