Finite impulse response ≈ Finite impulse response
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Why and How Savitzky–Golay Filters Should Be Replaced Open
Savitzky-Golay (SG) filtering, based on local least-squares fitting of the data by polynomials, is a popular method for smoothing data and calculations of derivatives of noisy data. At frequencies above the cutoff, SG filters have poor noi…
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UWB-Based Indoor Human Localization With Time-Delayed Data Using EFIR Filtering Open
An ultra wide band (UWB)-based time-delay indoor human localization scheme is proposed to provide indoor human localization with time-delay measurements. The human position is localized using the UWB-based distance data and the extended fi…
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Distributed Autoregressive Moving Average Graph Filters Open
We introduce the concept of autoregressive moving average (ARMA) filters on a graph and show how they can be implemented in a distributed fashion. Our graph filter design philosophy is independent of the particular graph, meaning that the …
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Design of hardware efficient FIR filter: A review of the state-of-the-art approaches Open
Digital signal processing (DSP) is one of the most powerful technologies which will shape the science, engineering and technology of the twenty-first century. Since 1970, revolutionary changes took place in the broad area of DSP which has …
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Towards Domain Invariant Heart Sound Abnormality Detection Using Learnable Filterbanks Open
The proposed methods pave the way for deploying automated cardiac screening systems in diversified and underserved communities.
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Reconstructing the calibrated strain signal in the Advanced LIGO detectors Open
Advanced LIGO's raw detector output needs to be calibrated to compute dimensionless strain h(t). Calibrated strain data is produced in the time domain using both a low-latency, online procedure and a high-latency, offline procedure. The lo…
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Windowing Techniques, the Welch Method for Improvement of Power Spectrum Estimation Open
This paper revisits the characteristics of windowing techniques with various window functions involved, and successively investigates spectral leakage mitigation utilizing the Welch method. The discrete Fourier transform (DFT) is ubiquitou…
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A Compact 10-b SAR ADC With Unit-Length Capacitors and a Passive FIR Filter Open
This paper presents a compact 10-b successive approximation register analog-to-digital converter (SAR ADC) in 65-nm CMOS with an integrated passive finite impulse response (FIR) filter for anti-aliasing. Conventional switched-capacitor dig…
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Filter Design for Autoregressive Moving Average Graph Filters Open
In the field of signal processing on graphs, graph filters play a crucial role in processing the spectrum of graph signals. This paper proposes two different strategies for designing autoregressive moving average (ARMA) graph filters on bo…
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Comparison of Motion Artefact Reduction Methods and the Implementation of Adaptive Motion Artefact Reduction in Wearable Electrocardiogram Monitoring Open
A motion artefact is a kind of noise that exists widely in wearable electrocardiogram (ECG) monitoring. Reducing motion artefact is challenging in ECG signal preprocessing because the spectrum of motion artefact usually overlaps with the v…
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Simplified Volterra Filters For Acoustic Echo Cancellation In Gsm Receivers Open
Publication in the conference proceedings of EUSIPCO, Tampere, Finland, 2000
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A Dynamic Filtering DF-RNN Deep-Learning-Based Approach for EEG-Based Neurological Disorders Diagnosis Open
Filtering of unwanted signals has a great impact on the performance of EEG signal processing applied to neurological disorders diagnosis. It is so difficult to remove undesirable noises using static filtering approaches as the performance …
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Design and implementation of an efficient FIR digital filter Open
Digital signal processing (DSP) circuits are extremely important in computing and communications areas. One application of DSP is a Finite impulse response (FIR) filter. The principle objective of this exploration is to present a methodolo…
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On Digital Realizations of Non-integer Order Filters Open
Typical approach to non-integer order filtering consists of analogue design and implementation. Digital realization of non-integer order systems is susceptible to problems such as infinite memory requirement and sensitivity to numerical er…
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Optimal design of FIR high pass filter based on L1 error approximation using real coded genetic algorithm Open
In this paper, an optimal design of linear phase digital finite impulse response (FIR) highpass (HP) filter using the L1-norm based real-coded genetic algorithm (RCGA) is investigated. A novel fitness function based on L1 norm is adopted t…
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The Essential Complexity of Auditory Receptive Fields Open
Encoding properties of sensory neurons are commonly modeled using linear finite impulse response (FIR) filters. For the auditory system, the FIR filter is instantiated in the spectro-temporal receptive field (STRF), often in the framework …
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Application of regularized Savitzky–Golay filters to identification of time-varying systems Open
Savitzky–Golay (SG) filtering is a classical signal smoothing technique based on the local least squares approximation of the analyzed signal by a linear combination of known functions of time (originally — powers of time, which correspond…
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High Frequency Electromyogram Noise Removal from Electrocardiogram Using FIR Low Pass Filter Based on FPGA Open
With improvements in capacity and performance and a decrease in cost, FPGAs have become a viable solution for making custom chips and programmable DSP devices. This paper presents an efficient implementation of Finite Impulse Response Filt…
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Indoor INS/LiDAR-Based Robot Localization With Improved Robustness Using Cascaded FIR Filter Open
In this paper, an indoor inertial navigation system (INS) integrated with light detection and ranging (LiDAR) robot localization system is proposed to provide accurate information about the robot location. To achieve high accuracy and robu…
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FPGA-based electrocardiography (ECG) signal analysis system using least-square linear phase finite impulse response (FIR) filter Open
This paper presents a proposed design for analyzing electrocardiography (ECG) signals. This methodology employs highpass least-square linear phase Finite Impulse Response (FIR) filtering technique to filter out the baseline wander noise em…
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A New Control Strategy for Three-Phase Shunt Active Power Filters Based on FIR Prediction Open
A new discrete-time control strategy for three-phase three-wire shunt active power filters (APF) is presented, based on a mathematical model in the stationary reference frame. It involves a feedback-linearization-type approach to control t…
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A Bidirectional Neural Interface SoC With Adaptive IIR Stimulation Artifact Cancelers Open
We present a 180-nm CMOS bidirectional neural interface system-on-chip that enables simultaneous recording and stimulation with on-chip stimulus artifact cancelers. The front-end cancellation scheme incorporates a least-mean-square engine …
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A New Morphological Filter for Fault Feature Extraction of Vibration Signals Open
Early faults in rolling bearings tend to result in periodic impulse components in the collected vibration signals. However, these fault features are always distorted by noise interferences. Feature extraction from vibration signals is an e…
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Performance of swarm based optimization techniques for designing digital FIR filter: A comparative study Open
In this paper, a linear phase FIR filter is designed through recently proposed nature inspired optimization algorithm known as Cuckoo search (CS). A comparative study of Cuckoo search (CS), particle swarm optimization (PSO) and artificial …
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Learning Front-end Filter-bank Parameters using Convolutional Neural Networks for Abnormal Heart Sound Detection Open
Automatic heart sound abnormality detection can play a vital role in the early diagnosis of heart diseases, particularly in low-resource settings. The state-of-the-art algorithms for this task utilize a set of Finite Impulse Response (FIR)…
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Tensor-Based Adaptive Filtering Algorithms Open
Tensor-based signal processing methods are usually employed when dealing with multidimensional data and/or systems with a large parameter space. In this paper, we present a family of tensor-based adaptive filtering algorithms, which are su…
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Denoising and Features Extraction of ECG Signals in State Space Using Unbiased FIR Smoothing Open
The electrocardiogram (ECG) signals bear fundamental information for making decisions about different kinds of heart diseases. Therefore, many efforts were made during decades to extract features of heartbeats via ECG records with high acc…
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Identification of Linear and Bilinear Systems: A Unified Study Open
System identification problems are always challenging to address in applications that involve long impulse responses, especially in the framework of multichannel systems. In this context, the main goal of this review paper is to promote so…
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A Frequency Adaptive PIMR-Type Repetitive Control for a Grid-Tied Inverter Open
A proportional integral multiresonant-type repetitive control (PIMR-type RC) has not only a better harmonic suppressing performance but also a faster error convergence rate. However, the harmonics suppressing performance of PIMR-type RC wi…
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Analog I/Q FIR Filter in 55-nm SiGe BiCMOS for 16-QAM Optical Communications at 112 Gb/s Open
We propose a novel implementation of a complex analog equalization filter for the compensation of frequency-dependent variations in coherent optical links. The analog compensation filter can be used in coherent-lite optical communication l…