Skip to Content

241 Results Found

  • Article
  • Open Access
1 Citations
1,234 Views
19 Pages

4 June 2024

With the advancement of network technology, there has been an increase in the volume of data being transmitted across networks. Due to the bandwidth limitation of communication channels, data often need to be quantized or event-triggered mechanisms a...

  • Review
  • Open Access
24 Citations
11,103 Views
34 Pages

An Overview of FIR Filter Design in Future Multicarrier Communication Systems

  • Lei Jiang,
  • Haijian Zhang,
  • Shuai Cheng,
  • Hengwei Lv and
  • Pandong Li

Future wireless communication systems are facing with many challenges due to their complexity and diversification. Orthogonal frequency division multiplexing (OFDM) in 4G cannot meet the requirements in future scenarios, thus alternative multicarrier...

  • Article
  • Open Access
31 Citations
6,144 Views
11 Pages

10 September 2015

This paper considers identifying the multiple input single output finite impulse response (MISO-FIR) systems with unknown time delays and orders. Generally, parameters, orders and time delays of an MISO system are separately identified from different...

  • Article
  • Open Access
2 Citations
3,875 Views
16 Pages

This study presents a comprehensive performance evaluation of field-programmable gate array (FPGA), graphics processing unit (GPU), and central processing unit (CPU) platforms for implementing finite impulse response (FIR) filters in semiconductor-ba...

  • Article
  • Open Access
6 Citations
2,749 Views
15 Pages

11 July 2018

In this paper, a robust estimation method for estimating the power system harmonics is proposed by using the optimal finite impulse response (FIR) filter. The optimal FIR filter is applied to the state space representation of the noisy current or vol...

  • Article
  • Open Access
1 Citations
4,123 Views
10 Pages

6 June 2018

In this paper, a novel scheme using hybrid l1/l2 norm minimization and the orthogonal matching pursuit (OMP) algorithm is proposed to design the sparse finite impulse response (FIR) decision feedback equalizers (DFE) in multiple input multiple output...

  • Article
  • Open Access
21 Citations
6,748 Views
32 Pages

8 July 2017

A number of studies have been conducted to enhance the pedestrian detection accuracy of intelligent surveillance systems. However, detecting pedestrians under outdoor conditions is a challenging problem due to the varying lighting, shadows, and occlu...

  • Article
  • Open Access
8 Citations
9,075 Views
26 Pages

29 June 2011

This paper presents an acoustic noise cancelling technique using an inverse kepstrum system as an innovations-based whitening application for an adaptive finite impulse response (FIR) filter in beamforming structure. The inverse kepstrum method uses...

  • Article
  • Open Access
991 Views
22 Pages

4 March 2025

To obtain more accurate information on using an inertial navigation system (INS)-based integrated localization system, an integrated filter with maximum correntropy criterion Kalman filter (mccKF) and finite impulse response (FIR) is proposed for the...

  • Article
  • Open Access
34 Citations
4,046 Views
16 Pages

20 January 2020

The energy consumption used for domestic purposes in Europe is, to a considerable extent, due to heating and cooling. This energy is produced mostly by burning fossil fuels, which has a high negative environmental impact. The characteristics of a bui...

  • Article
  • Open Access
3 Citations
2,630 Views
14 Pages

Signal distortion can occur when the gain or attenuation of a component changes non-linearly with frequency, which is referred to as nonlinear frequency response. Common communications components such as filters, amplifiers, and mixers can lead to no...

  • Article
  • Open Access
4 Citations
5,879 Views
10 Pages

20 March 2014

The special impacting filter (SIF) with IIR structure has been used to demodulate ABSK signals. The key points of SIF, including the resonance circuit’s high Q value and the “slope-phase discrimination” character of the filter sideband, are demonstra...

  • Feature Paper
  • Article
  • Open Access
4 Citations
2,798 Views
26 Pages

22 September 2022

The current journal paper proposes an end-to-end analysis for the numerical implementation of a two-degrees-of-freedom (2DOF) control structure, starting from the sampling rate selection mechanism via a quasi-optimal manner, along with the estimation...

  • Feature Paper
  • Article
  • Open Access
4 Citations
3,192 Views
17 Pages

17 June 2022

An agreement between the provincial government of Québec, Canada and the forest industry executing forest management activities on public lands has been established regarding non-utilized woody material (NUWM) left on the cutting area. Problem...

  • Article
  • Open Access
10 Citations
2,499 Views
23 Pages

19 January 2022

Individual trees are characterized by various sizes and forms, such as diameter at breast height, total height (H), height to crown base (HCB), crown length (CL), crown width, and crown and stem forms. Tree characteristics are strongly related to eac...

  • Feature Paper
  • Article
  • Open Access
3,359 Views
8 Pages

4 May 2018

Plantation-grown Fraser fir (Abies fraseri (Pursh) Poir.) Christmas trees were subjected to nine shearing regimes over nine years in a plantation in western North Carolina (USA). Treatments differed in the year of onset as well as the length of the r...

  • Article
  • Open Access
1 Citations
558 Views
10 Pages

24 November 2025

We investigate analog and digital pre-emphasis for ultra-high-bit-rate coherent dual-polarization 64-QAM (DP-64QAM) transmission using OptiSystem. Two representative single-wavelength configurations are studied: 64 Gbaud (600 Gb/s payload, 768 Gb/s l...

  • Article
  • Open Access
1 Citations
854 Views
17 Pages

26 August 2025

High-dynamic airborne gravimetry faces critical challenges from platform-induced noise contamination. Conventional filtering methods exhibit inherent limitations in simultaneously achieving dynamic tracking capability and spectral fidelity. To overco...

  • Article
  • Open Access
16 Citations
6,695 Views
20 Pages

In this paper we introduce a novel adaptation algorithm for adaptive filtering of FIR and IIR digital filters within the context of system identification. The standard LMS algorithm is hybridized with GA (Genetic Algorithm) to obtain a new integrated...

  • Article
  • Open Access
38 Citations
14,161 Views
25 Pages

25 July 2018

Forest management choices offer significant potential to mitigate global climate change and biodiversity loss. To illuminate tradeoffs relevant to policymakers, forest sector stakeholders, and consumers of forest products, we utilize three Key Perfor...

  • Article
  • Open Access
12 Citations
8,641 Views
18 Pages

Effects of Harvesting Systems and Bole Moisture Loss on Weight Scaling of Douglas-Fir Sawlogs (Pseudotsuga Menziesii var. glauca Franco)

  • Jarred D. Saralecos,
  • Robert F. Keefe,
  • Wade T. Tinkham,
  • Randall H. Brooks,
  • Alistair M. S. Smith and
  • Leonard R. Johnson

19 September 2014

Characterizing the moisture loss from felled trees is essential for determining weight-to-volume (W-V) relationships in softwood sawlogs. Several factors affect moisture loss, but research to quantify the effects of bole size and harvest method is li...

  • Article
  • Open Access
4 Citations
2,323 Views
16 Pages

21 December 2022

This study aims to identify parametric models to estimate track irregularities in high-speed railways with simple acceleration measurements. The primary contribution of current research is the development of effective parametric models with smaller p...

  • Article
  • Open Access
4 Citations
1,657 Views
19 Pages

5 November 2024

This paper presents the operation of a modified speed controller with a standard PI/PID structure that includes the preprocessing of the controller’s input signal, focusing on the past behavior of control errors. The modification involves addin...

  • Article
  • Open Access
14 Citations
3,521 Views
14 Pages

Optimization of the FIR Filter Structure in Finite Residue Field Algebra

  • Dmitry Kaplun,
  • Denis Butusov,
  • Valerii Ostrovskii,
  • Alexander Veligosha and
  • Vyacheslav Gulvanskii

This paper introduces a method for optimizing non-recursive filtering algorithms. A mathematical model of a non-recursive digital filter is proposed and a performance estimation is given. A method for optimizing the structural implementation of the m...

  • Feature Paper
  • Article
  • Open Access
14 Citations
4,275 Views
14 Pages

This paper presents the hardware implementation of a 3rd-order low-pass finite impulse response (FIR) filter based on time-mode signal processing circuits. The filter topology consists of a set of novel building blocks that perform the necessary func...

  • Article
  • Open Access
19 Citations
8,545 Views
11 Pages

Dynamic Uncertainty for Compensated Second-Order Systems

  • Sascha Eichstädt,
  • Alfred Link and
  • Clemens Elster

13 August 2010

The compensation of LTI systems and the evaluation of the according uncertainty is of growing interest in metrology. Uncertainty evaluation in metrology ought to follow specific guidelines, and recently two corresponding uncertainty evaluation scheme...

  • Article
  • Open Access
33 Citations
9,106 Views
25 Pages

Pedestrian Detection in Far-Infrared Daytime Images Using a Hierarchical Codebook of SURF

  • Bassem Besbes,
  • Alexandrina Rogozan,
  • Adela-Maria Rus,
  • Abdelaziz Bensrhair and
  • Alberto Broggi

13 April 2015

One of the main challenges in intelligent vehicles concerns pedestrian detection for driving assistance. Recent experiments have showed that state-of-the-art descriptors provide better performances on the far-infrared (FIR) spectrum than on the visib...

  • Article
  • Open Access
15 Citations
3,394 Views
14 Pages

21 September 2022

The root is the main organ of a plant for absorbing resources and whose spatial distribution characteristics play an important role in the survival of seedlings after afforestation. Chinese fir (Cunninghamia lanceolata) is one of China’s most i...

  • Article
  • Open Access
1 Citations
1,617 Views
21 Pages

RGB-FIR Multimodal Pedestrian Detection with Cross-Modality Context Attentional Model

  • Han Wang,
  • Lei Jin,
  • Guangcheng Wang,
  • Wenjie Liu,
  • Quan Shi,
  • Yingyan Hou and
  • Jiali Liu

20 June 2025

Pedestrian detection is an important research topic in the field of visual cognition and autonomous driving systems. The proposal of the YOLO model has significantly improved the speed and accuracy of detection. To achieve full day detection performa...

  • Article
  • Open Access
1 Citations
1,660 Views
21 Pages

12 November 2023

To obtain accurate position information, herein, a one-assistant method involving the fusion of extreme learning machine (ELM)/finite impulse response (FIR) filters and vision data is proposed for inertial navigation system (INS)-based human motion c...

  • Article
  • Open Access
2 Citations
2,985 Views
18 Pages

Flood inundation causes socioeconomic losses for coastal tourism under climate extremes, progressively attracting global attention. Predicting, mapping, and evaluating the flood inundation risk (FIR) is important for coastal tourism. This study devel...

  • Article
  • Open Access
1 Citations
1,492 Views
20 Pages

Predicting Neonatal Morbidity and Correlations with Maternal and Neonatal Biomarkers in Connection with Fetal Inflammatory Response Syndrome in Premature Births

  • Diana Iulia Vasilescu,
  • Adriana Mihaela Dan,
  • Ion Dragomir,
  • Sorin Liviu Vasilescu,
  • Adrian Vasile Dumitru,
  • Vlad Dima and
  • Monica Mihaela Cîrstoiu

12 September 2025

Introduction: Fetal Inflammatory Response Syndrome (FIRS) is widely acknowledged for its contribution to neonatal morbidity in premature infants. Being a systemic inflammatory process triggered by intrauterine infections or other stimuli, FIRS has ga...

  • Article
  • Open Access
2 Citations
2,945 Views
14 Pages

Full-Length Transcriptome Sequencing and Identification of Hsf Genes in Cunninghamia lanceolata (Lamb.) Hook

  • Yuan Ji,
  • Hua Wu,
  • Xueyan Zheng,
  • Liming Zhu,
  • Zeli Zhu,
  • Ya Chen,
  • Jisen Shi,
  • Renhua Zheng and
  • Jinhui Chen

27 March 2023

Cunninghamia lanceolata (Lamb.) Hook. (Chinese fir) is an important timber species that is widely cultivated in southern China. However, the shallow root system and weak drought resistance of Chinese fir are not enough to cope with high temperature a...

  • Article
  • Open Access
16 Citations
4,842 Views
12 Pages

Hydraulic Water Redistribution by Silver Fir (Abies alba Mill.) Occurring under Severe Soil Drought

  • Paul Töchterle,
  • Fengli Yang,
  • Stephanie Rehschuh,
  • Romy Rehschuh,
  • Nadine K. Ruehr,
  • Heinz Rennenberg and
  • Michael Dannenmann

31 January 2020

Hydraulic redistribution (HR) of water from wet- to dry-soil zones is suggested as an important process in the resilience of forest ecosystems to drought stress in semiarid and tropical climates. Scenarios of future climate change predict an increase...

  • Article
  • Open Access
826 Views
11 Pages

14 January 2026

Far-infrared (FIR)-emitting textiles are increasingly used in sleepwear; however, their influence on sleep physiology has not been comprehensively evaluated with multi-modal wearable sensing. This randomized, double-blind, placebo-controlled crossove...

  • Article
  • Open Access
1 Citations
6,380 Views
11 Pages

20 September 2022

Far infrared radiation (FIR) has been primarily used as a therapeutic modality for its inhibitory effect on the proliferation of cancer cells. Previous studies have focused on the inhibitory effects of FIR on mitochondrial metabolism, neglecting its...

  • Article
  • Open Access
5 Citations
3,885 Views
33 Pages

Zero-Phase FIR Filter Design Algorithm for Repetitive Controllers

  • Pedro V. S. G. de Lima,
  • Rafael C. Neto,
  • Francisco A. S. Neves,
  • Fabrício Bradaschia,
  • Helber E. P. de Souza and
  • Eduardo J. Barbosa

4 March 2023

Repetitive controllers (RCs) are linear control structures based on the internal model principle. This control strategy is known for its ability to control periodic reference signals, even if these signals have many harmonic components. Despite being...

  • Article
  • Open Access
1 Citations
4,793 Views
13 Pages

A Preliminary Investigation of the Efficacy of Far-Infrared-Emitting Garments in Enhancing Objective and Subjective Recovery Following Resistance Exercise

  • Jonathon R. Lever,
  • Cara Ocobock,
  • Valerie Smith-Hale,
  • Casey J. Metoyer,
  • Alan Huebner,
  • John P. Wagle and
  • Jonathan D. Hauenstein

Objective: This study aimed to investigate the efficacy of far-infrared (FIR) garments in enhancing recovery following resistance exercise in recreationally active individuals. Methods: Ten recreationally active adults (six females, four males; aged...

  • Article
  • Open Access
30 Citations
4,538 Views
23 Pages

Drought Superimposes the Positive Effect of Silver Fir on Water Relations of European Beech in Mature Forest Stands

  • Ruth-Kristina Magh,
  • Boris Bonn,
  • Rüdiger Grote,
  • Tim Burzlaff,
  • Sebastian Pfautsch and
  • Heinz Rennenberg

11 October 2019

Research Highlights: Investigations of evapotranspiration in a mature mixed beech-fir forest stand do not indicate higher resilience towards intensified drying-wetting cycles as compared with pure beech stands. Background and Objectives: Forest manag...

  • Article
  • Open Access
19 Citations
3,320 Views
18 Pages

6 March 2021

Urban tourism has been suffering socio-economic challenges from flood inundation risk (FIR) triggered by extraordinary rainfall under climate extremes. The evaluation of FIR is essential for mitigating economic losses, and even casualties. This study...

  • Article
  • Open Access
22 Citations
6,074 Views
12 Pages

Numerous studies have reported a significant increase in stress experienced by students owing to the COVID-19 pandemic. Recently, interest in stress management using nature-derived substances has increased. However, studies examining the effects of o...

  • Article
  • Open Access
514 Views
21 Pages

6 November 2025

Indoor localization based on range measurements in wireless sensor networks involves nonlinear measurement models and is susceptible to non-Gaussian noise, which is associated with complex indoor environments. While particle filters (PFs) are well-su...

  • Feature Paper
  • Article
  • Open Access
2 Citations
7,408 Views
15 Pages

Correction of the Unobtrusive ECG Using System Identification

  • Anna Boehm,
  • Xinchi Yu,
  • Steffen Leonhardt and
  • Daniel Teichmann

Unobtrusively acquired electrocardiograms (ECG) could substantially improve the comfort of patients. However, such ECGs are not used in clinical practice because (among other reasons) signal deformations impede correct diagnosis of the ECG. Here, met...

  • Article
  • Open Access
15 Citations
2,965 Views
13 Pages

1 September 2021

Methods for analyzing the resistance of large woodlands (such as Siberian taiga forests) to insect attacks based on remote sensing data are proposed. As an indicator of woodland’s resistance, we suggest a function of normalized difference vegetative...

  • Article
  • Open Access
4 Citations
2,628 Views
16 Pages

29 January 2022

This paper considers the parameter estimation problems of Hammerstein finite impulse response moving average (FIR–MA) systems. Based on the matrix transformation and the hierarchical identification principle, the Hammerstein FIR–MA system...

  • Article
  • Open Access
4 Citations
2,975 Views
13 Pages

11 August 2021

Digital filter is an important fundamental component in digital signal processing (DSP) systems. Among the digital filters, the finite impulse response (FIR) filter is one of the most commonly used schemes. As a low-complexity hardware implementation...

  • Article
  • Open Access
11 Citations
2,877 Views
14 Pages

Dendroclimatological Analysis of Chinese Fir Using a Long-Term Provenance Trial in Southern China

  • Hong Wang,
  • Jianjun Sun,
  • Aiguo Duan,
  • Anming Zhu,
  • Hanbin Wu and
  • Jianguo Zhang

24 August 2022

The Chinese fir, Cunninghamia lanceolata (Lamb.) Hook, is an essential fast-growing timber species that is widely distributed in southern China, producing timber with high economic value. Understanding the climate sensitivity of the tree species and...

  • Article
  • Open Access
1 Citations
2,207 Views
13 Pages

21 August 2024

This study aimed to investigate the effects of prolonged inhalation of nature-derived odors indoors on humans. Twenty-six women participated in this study. Heart rate variability, heart rate, blood pressure, pulse rate, estradiol, testosterone, and c...

  • Article
  • Open Access
2 Citations
3,661 Views
11 Pages

Rare European Beetle Treptoplatypus oxyurus (Coleoptera: Platypodidae) in Managed Uneven-Aged Forests of Croatia

  • Ivan Žarković,
  • Andreja Đuka,
  • Milivoj Franjević,
  • Kristijan Tomljanović,
  • Ivica Papa,
  • Tomislav Krcivoj and
  • Boris Hrašovec

7 April 2022

Bark beetle outbreak sites were analysed before sanitary logging in Gorski Kotar County during spring, summer and autumn 2021. Downed European silver fir trees were inspected for red-listed saproxylic entomofauna. Among other species, the fir pinhole...

  • Article
  • Open Access
3 Citations
2,492 Views
20 Pages

Stress Responses to Bark Beetle Infestations among Pine (Pinus sylvestris), Fir (Abies alba), and Beech (Fagus sylvatica) Trees

  • Petr Soudek,
  • Radka Podlipná,
  • Lenka Langhansová,
  • Kateřina Moťková,
  • Marcela Dvořáková,
  • Šárka Petrová,
  • Daniel Haisel,
  • Tetiana M. Satarova,
  • Petre I. Dobrev and
  • Kateřina Berchová-Bímová
  • + 6 authors

8 October 2024

Insect infestation triggers multiple defense responses in plants, both locally at the infection site and systemically throughout the plant, including the production of feeding deterrents, toxins, defensive proteins, enzymes, and secondary metabolites...

of 5