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Journal articles on the topic 'Progressive Edge Growth'

Author: Grafiati

Published: 24 June 2021

Last updated: 29 July 2025

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1

Chen, Lin, and Da-Zheng Feng. "Fast Implementation of the Progressive Edge-Growth Algorithm." ETRI Journal 31, no. 2 (2009): 240–42. http://dx.doi.org/10.4218/etrij.09.0208.0358.

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2

Xiao-Yu Hu, E. Eleftheriou, and D. M. Arnold. "Regular and irregular progressive edge-growth tanner graphs." IEEE Transactions on Information Theory 51, no. 1 (2005): 386–98. http://dx.doi.org/10.1109/tit.2004.839541.

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3

Kraidy, Ghassan M. "On Progressive Edge-Growth Interleavers for Turbo Codes." IEEE Communications Letters 20, no. 2 (2016): 200–203. http://dx.doi.org/10.1109/lcomm.2015.2504364.

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4

Jiang, Xueqin, Yi Yang, Moon Ho Lee, and Minda Zhu. "Progressive edge-growth algorithm for low-density MIMO codes." Journal of Communications and Networks 16, no. 6 (2014): 639–44. http://dx.doi.org/10.1109/jcn.2014.000110.

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5

Anbalgan, Anand, and Senthil Kumar.P. "Progressive edge growth LDPC Encoder with spiral search algorithm." International Journal of Engineering & Technology 7, no. 1.3 (2017): 198. http://dx.doi.org/10.14419/ijet.v7i1.3.10673.

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Trapping set causes the drop of performance in error floor region. Identification of TS is done by graphical method and enumerators. The lowest odd degree (minimal) TS is increasing the formation of more unsaturated nodes in iterative decoding. Progressive edge growth (PEG) Low-density parity check code (LDPC) [2] avoidance of trapping sets are mainly based on the distance and degree calculation of successive CN. This simple tool is used to eliminate TS when the encoder ensemble designs itself. Non-zero neighborhood search also made an influence on error floor. The spiral search method is used

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6

Martinez-Mateo, Jesus, Dav Elkouss, and Vicente Martin. "Improved Construction of Irregular Progressive Edge-Growth Tanner Graphs." IEEE Communications Letters 14, no. 12 (2010): 1155–57. http://dx.doi.org/10.1109/lcomm.2010.101810.101384.

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7

Sharon, E., and S. Litsyn. "Constructing LDPC codes by error minimization progressive edge growth." IEEE Transactions on Communications 56, no. 3 (2008): 359–68. http://dx.doi.org/10.1109/tcomm.2008.050658.

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8

Vukobratovic, D., and V. Senk. "Generalized ACE Constrained Progressive Edge-Growth LDPC Code Design." IEEE Communications Letters 12, no. 1 (2008): 32–34. http://dx.doi.org/10.1109/lcomm.2008.071457.

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9

El-Maleh, Aiman H., Mohamed Adnan Landolsi, and Esa A. AlGhoneim. "Window-constrained interconnect-efficient progressive edge growth LDPC codes." AEU - International Journal of Electronics and Communications 67, no. 7 (2013): 588–94. http://dx.doi.org/10.1016/j.aeue.2012.12.006.

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10

Wang, Lina, Hang Zhang, Yaoyao Li, and Tianyu An. "Partly systematic Luby transform codes based on improved progressive edge-growth algorithm for Mars communications." Journal of Algorithms & Computational Technology 12, no. 3 (2018): 200–207. http://dx.doi.org/10.1177/1748301818770082.

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The Luby transform code is a forward error correction code and was originally designed for the erasure channel. In this paper, the Luby transform codes over the Mars communication channel are investigated. To guarantee the reliable data transmission over the Mars communication channel which are usually affected by fading and noises, the progressive edge-growth algorithm is improved and used in for encoding the Luby transform codes. And then a partly systematic Luby transform code with an improved progressive edge-growth algorithm is designed to improve the error propagation phenomenon in Mars

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11

Xiao, H., and A. H. Banihashemi. "Improved Progressive-Edge-Growth (PEG) Construction of Irregular LDPC Codes." IEEE Communications Letters 8, no. 12 (2004): 715–17. http://dx.doi.org/10.1109/lcomm.2004.839612.

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12

Venkiah, A., D. Declercq, and C. Poulliat. "Design of cages with a randomized progressive edge-growth algorithm." IEEE Communications Letters 12, no. 4 (2008): 301–3. http://dx.doi.org/10.1109/lcomm.2008.071843.

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13

Jiang, Xueqin, Xiang-Gen Xia, and Moon Ho Lee. "Efficient Progressive Edge-Growth Algorithm Based on Chinese Remainder Theorem." IEEE Transactions on Communications 62, no. 2 (2014): 442–51. http://dx.doi.org/10.1109/tcomm.2014.011114.130285.

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14

Tuofeng, Lei, Ni Shuyan, Luo Qu, Chen Shimiao, and Xiao Pei. "A novel progressive edge growth-based codebook design for SCMA systems." China Communications 22, no. 6 (2025): 116–30. https://doi.org/10.23919/jcc.fa.2023-0770.2025.06.

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15

Viktor, Durcek, Kuba Michal, and Dado Milan. "Investigation of random-structure regular LDPC codes construction based on progressive edge-growth and algorithms for removal of short cycles." Eastern-European Journal of Enterprise Technologies 4, no. 9 (112) (2021): 46–53. https://doi.org/10.15587/1729-4061.2021.225852.

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This paper investigates the construction of random-structure LDPC (low-density parity-check) codes using Progressive Edge-Growth (PEG) algorithm and two proposed algorithms for removing short cycles (CB1 and CB2 algorithm; CB stands for Cycle Break). Progressive Edge-Growth is an algorithm for computer-based design of random-structure LDPC codes, the role of which is to generate a Tanner graph (a bipartite graph, which represents a parity-check matrix of an error-correcting channel code) with as few short cycles as possible. Short cycles, especially the shortest ones with a length of 4 edges,

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16

Yeh, Harry H. "Nonlinear progressive edge waves: their instability and evolution." Journal of Fluid Mechanics 152 (March 1985): 479–99. http://dx.doi.org/10.1017/s0022112085000799.

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The fundamental properties of nonlinear progressive edge waves are investigated experimentally in a physical model with a uniformly and mildly sloping beach with a straight shoreline. An evolution equation for the envelope of progressive edge waves is the nonlinear Schrödinger (NLS) equation. It is found that the timescale of viscous-dissipation effects in the experiments is comparable with the timescale of the theoretical evolution process for inviscid progressive edge waves. This lack of timescale separation indicates a major shortcoming of the NLS equation as a model of the laboratory exper

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17

Zhengang Chen and S. Bates. "Construction of low-density parity-check convolutional codes through progressive edge-growth." IEEE Communications Letters 9, no. 12 (2005): 1058–60. http://dx.doi.org/10.1109/lcomm.2005.1576587.

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18

CHEN, Xin, Ai-dong MEN, Bo YANG, and Zi-yi QUAN. "Construction of LDPC codes over GF(q) with modified progressive edge growth." Journal of China Universities of Posts and Telecommunications 16, no. 5 (2009): 103–6. http://dx.doi.org/10.1016/s1005-8885(08)60275-7.

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19

Han, Changcai, Hui Li, and Weigang Chen. "Minimum Distance Optimization with Chord Edge Growth for High Girth Non-Binary LDPC Codes." Electronics 9, no. 12 (2020): 2161. http://dx.doi.org/10.3390/electronics9122161.

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Short or moderate-length non-binary low-density parity-check (NB-LDPC) codes have the potential applications in future low latency and high-reliability communication thanks to the strong error correction capability and parallel decoding. Because of the existence of the error floor, the NB-LDPC codes usually cannot satisfy very low bit error rate (BER) requirements. In this paper, a low-complexity method is proposed for optimizing the minimum distance of the NB-LDPC code in a progressive chord edge growth manner. Specifically, each chord edge connecting two non-adjacent vertices is added to the

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20

Leng Xue-Dong, Wang Da-Ming, Ba Bin, and Wang Jian-Hui. "A quasi-cyclic compressed sensing delay estimation algorithm based on progressive edge-growth." Acta Physica Sinica 66, no. 9 (2017): 090703. http://dx.doi.org/10.7498/aps.66.090703.

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21

Healy, Cornelius T., and Rodrigo C. de Lamare. "Design of LDPC Codes Based on Multipath EMD Strategies for Progressive Edge Growth." IEEE Transactions on Communications 64, no. 8 (2016): 3208–19. http://dx.doi.org/10.1109/tcomm.2016.2579641.

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22

Li, Xue, and Qin Huang. "Improved PEG-Based Construction of Analog Fountain Codes." Entropy 26, no. 10 (2024): 841. http://dx.doi.org/10.3390/e26100841.

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This paper proposes an improved progressive edge-growth (PEG) construction of analog fountain codes (AFCs). During edge selection, it simultaneously allocates weight coefficients in descending order. Analysis shows that our proposed construction reduces the probability of large weight coefficients involved in harmful short cycles. Simulation results indicate that it has good block error rate (BLER) in short block length regime.

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23

Durcek, Viktor, Michal Kuba, and Milan Dado. "Investigation of random-structure regular LDPC codes construction based on progressive edge-growth and algorithms for removal of short cycles." Eastern-European Journal of Enterprise Technologies 4, no. 9(112) (2021): 46–53. http://dx.doi.org/10.15587/1729-4061.2021.225852.

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Abstract:

This paper investigates the construction of random-structure LDPC (low-density parity-check) codes using Progressive Edge-Growth (PEG) algorithm and two proposed algorithms for removing short cycles (CB1 and CB2 algorithm; CB stands for Cycle Break). Progressive Edge-Growth is an algorithm for computer-based design of random-structure LDPC codes, the role of which is to generate a Tanner graph (a bipartite graph, which represents a parity-check matrix of an error-correcting channel code) with as few short cycles as possible. Short cycles, especially the shortest ones with a length of 4 edges,

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24

Uchoa, Andre G. D., Cornelius Healy, Rodrigo C. de Lamare, and Richard D. Souza. "Design of LDPC Codes Based on Progressive Edge Growth Techniques for Block Fading Channels." IEEE Communications Letters 15, no. 11 (2011): 1221–23. http://dx.doi.org/10.1109/lcomm.2011.092911.111520.

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25

Tlish, M. M., N. L. Sycheva, N. A. Boyko, M. E. Shavilova, and F. A. Psavok. "Progressive symmetric eritrocarotodermia Gottron: A rare case." Vestnik dermatologii i venerologii 95, no. 3 (2019): 40–45. http://dx.doi.org/10.25208/0042-4609-2019-95-3-40-45.

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The article deals with ethiopathogenetic factors of origin of progredient symmetric erythrokeratodermia of Gottron which is mainly characterized by autosomal dominant mode of inheritance and is classified as a disorder of cornification with extra epidermal cellular proliferation.Clinicopathologic criteria on the basis of which this pathology can be verified are described here, such as: onset of a disease at an early age, strictly divided polycyclic, fixed, hyperkeratotic plaques with a narrow erythematic crown and a clean-cut, sometimes hyper pigmented edge, which are symmetrically located on

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26

Healy, C. T., and R. C. de Lamare. "Decoder-Optimised Progressive Edge Growth Algorithms for the Design of LDPC Codes with Low Error Floors." IEEE Communications Letters 16, no. 6 (2012): 889–92. http://dx.doi.org/10.1109/lcomm.2012.042312.112220.

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27

Cheung, Albert Y., Prethy Rao, Yoshihiro Yonekawa, et al. "Progressive Massive Choroidal Neovascularization." Journal of VitreoRetinal Diseases 1, no. 3 (2017): 197–203. http://dx.doi.org/10.1177/2474126417703515.

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Purpose: A small subset of patients with neovascular age-related macular degeneration (AMD) can have relentless progression of choroidal neovascularization (CNV) and subsequent disciform scarring (DS) with extension beyond the vascular arcades to the equator. We present the clinical courses of this severe phenotype of progressive massive CNV (PM-CNV). Methods: Retrospective case series of 14 eyes of 8 patients who presented with (1) massive DS encompassing the posterior pole and extending to the equator and (2) progressive DS expansion despite treatment between 2004 and 2015 at a tertiary refe

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28

Kwon, Y. W., and C. T. Liu. "Numerical Study of Damage Growth in Particulate Composites." Journal of Engineering Materials and Technology 121, no. 4 (1999): 476–82. http://dx.doi.org/10.1115/1.2812404.

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A numerical study was conducted to simulate and predict damage initiation and growth around the crack tip crack tip in particulate composite specimens made of hard particles embedded in a soft rubber-like matrix material. Therefore, damage evolution in the matrix material around crack tips was investigated. The progressive damage was modeled using a micro/macro-approach which combined two levels of analyses like the micro-level and the macro-level analyses. Damage description was undertaken at the microlevel using a simplified three-dimensional unit-cell model and an isotropic continuum damage

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29

Meriem, Afilal, Hatim Anas, Latif Adnane, and Arioua Mounir. "SCMA Codebook Design Based on a 16 Star-QAM with MED Maximization." ITM Web of Conferences 48 (2022): 03003. http://dx.doi.org/10.1051/itmconf/20224803003.

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The SCMA codebook design is based on star-QAM signalling constellations with operating several segmentations to generate the different user’s codebook while considering the MED maximization as the criterion design. In addition, we constructed the mapping matrix F using Progressive Edge Growth (PEG) algorithm which facilitate iterative decoding performance of the message passing algorithm (MPA). At the end, a comparison with similar studies is conducted on the MEDs of the designed codebooks.

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30

Hosseini-Toudeshky, Hossein, and Bijan Mohammadi. "Coupling of Continuum Damage Mechanics with De-Cohesive Element for Delamination Analysis in Laminated Composites." Advanced Materials Research 123-125 (August 2010): 527–30. http://dx.doi.org/10.4028/www.scientific.net/amr.123-125.527.

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To predict the progressive damages including the large delamination growth in composite laminates, a new interface de-cohesive constitutive law is developed which is compatible with 3D continuum damage mechanics (CDM). To avoid the difficulties of 3D mesh generation and 3D interface modeling between the layers, the interface element is implemented in the Reddy’s full layer-wise plate theory. An angle-ply laminate is analyzed to evaluate the developed CDM+Interface procedure in edge delamination initiation and evolution at final stage of CDM damage progress.

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31

Bonga-Bonga, Lumengo, and Martin Perold. "A CGE Simulation Of A Flat Tax As A Possibility For Tax Reform In South Africa." Journal of Applied Business Research (JABR) 30, no. 6 (2014): 1693. http://dx.doi.org/10.19030/jabr.v30i6.8883.

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During recent years, there has been widespread interest in South Africa for the so-called flat tax systems that appear to have been implemented successfully in Eastern Europe. This paper applied a CGE modelling technique to compare the performance of the South African economy in case alternative tax systems, namely the progressive and the flat tax systems, are applied. The counterfactual situation whose effects are tested in this paper is a 10% decrease in the VAT rate consistent with some popular call for the reduction of the degree of the regressiveness of VAT. The key performances of the So

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32

Wang, Ze Xing, Jin Hua Jiang, and Nan Liang Chen. "Tensile Behavior of Textile Reinforced Flexible Composites with Single Edge Notch (SEN) under Static Solicitation." Advanced Materials Research 311-313 (August 2011): 205–9. http://dx.doi.org/10.4028/www.scientific.net/amr.311-313.205.

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For industrial applications, many of the damage of textile reinforced flexible composites are due to growth of the defects coming from manufacturing process or generation by static or dynamic load prior to failure. Hence, this work attempt to investigate on tensile behavior and damage initiation mechanisms in woven fabric reinforced flexible composite with single edge notch (SEN) subjected to mono-axial loading. Tensile tests were conducted with a notch depth of 0, 5, 10, 15 and 20mm, respectively. Damage mechanisms have been described and tensile strength, energy absorption was also expressed

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33

El Ghannudi, Soraya, Eric Ouvrard, Nidaa Mikail, Benjamin Leroy Freschini, Thomas H. Schindler, and Alessio Imperiale. "Cutting-Edge Imaging of Cardiac Metastases from Neuroendocrine Tumors: Lesson from a Case Series." Diagnostics 12, no. 5 (2022): 1182. http://dx.doi.org/10.3390/diagnostics12051182.

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With the increasing availability of high-performance medical imaging for the management of patients with neuroendocrine tumors (NETs), a progressive growth of asymptomatic and incidentally detected cardiac metastases (CMs) has been observed in the recent years. In clinical practice, CMs of NENs are often incidentally detected by whole-body 68Ga-labeled somatostatin analogs or 18F-fluorodihydroxyphenylalanine positron emission tomography/computed tomography, and afterwards accurately characterized by cardiac magnetic resonance (CMR) and/or gated cardiac computed tomography when CMR is contraind

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34

Kahane, Nitza, Yuval Cinnamon, and Chaya Kalcheim. "The roles of cell migration and myofiber intercalation in patterning formation of the postmitotic myotome." Development 129, no. 11 (2002): 2675–87. http://dx.doi.org/10.1242/dev.129.11.2675.

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We have previously found that the postmitotic myotome is formed by two successive waves of myoblasts. A first wave of pioneer cells is generated from the dorsomedial region of epithelial somites. A second wave originates from all four edges of the dermomyotome but cells enter the myotome only from the rostral and caudal lips. We provide new evidence for the existence of these distinctive waves. We show for the first time that when the somite dissociates, pioneer myotomal progenitors migrate as mesenchymal cells from the medial side towards the rostral edge of the segment. Subsequently, they ge

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35

Portela, Fernando, Joaquim J. Sousa, Cláudio Araújo-Paredes, Emanuel Peres, Raul Morais, and Luís Pádua. "Monitoring the Progression of Downy Mildew on Vineyards Using Multi-Temporal Unmanned Aerial Vehicle Multispectral Data." Agronomy 15, no. 4 (2025): 934. https://doi.org/10.3390/agronomy15040934.

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Monitoring vineyard diseases such as downy mildew (Plasmopara viticola) is important for viticulture, enabling an early intervention and optimized disease management. This is crucial for disease monitoring, and the use of high-spatial-resolution multispectral data from unmanned aerial vehicles (UAVs) can allow to for a better understanding of disease progression. This study explores the application of UAV-based multispectral data for monitoring downy mildew infection in vineyards through multi-temporal analysis. This study was conducted in a vineyard plot in the Vinho Verde region (Portugal),

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36

Naresh Babu Kilaru. "DESIGN REAL-TIME DATA PROCESSING SYSTEMS FOR AI APPLICATIONS." International Journal for Research Publication and Seminar 15, no. 3 (2024): 472–81. http://dx.doi.org/10.36676/jrps.v15.i3.1538.

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Online analytics systems are vital for ensuring the high efficiency of AI in response to real-time situations requiring agile decision-making. The present paper explores real-time data processing and topology, featuring the application of edge computing and cloud-based services and systems. Through simulation reports, the study shows how these systems handle significant data traffic and minimal delays in healthcare monitoring, automated transport systems, and smart homes. Possible data consistency, system growth, and redundancy issues are recognized, and recommendations are made to improve nav

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37

Naresh Babu Kilaru. "DESIGN REAL-TIME DATA PROCESSING SYSTEMS FOR AI APPLICATIONS." International Journal for Research Publication and Seminar 14, no. 5 (2023): 472–81. http://dx.doi.org/10.36676/jrps.v14.i5.1538.

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Online analytics systems are vital for ensuring the high efficiency of AI in response to real-time situations requiring agile decision-making. The present paper explores real-time data processing and topology, featuring the application of edge computing and cloud-based services and systems. Through simulation reports, the study shows how these systems handle significant data traffic and minimal delays in healthcare monitoring, automated transport systems, and smart homes. Possible data consistency, system growth, and redundancy issues are recognized, and recommendations are made to improve nav

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38

Wang, Yuhan. "Ruixing Coffee Versus Starbucks in China: Has Technology Given Ruixing Coffee an Edge." Highlights in Business, Economics and Management 24 (January 22, 2024): 1528–39. http://dx.doi.org/10.54097/yhatxg64.

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Ruixing Coffee's rapid ascendancy in the Chinese market, outpacing the longstanding leader, Starbucks, is a notable phenomenon in the coffee retail industry. This study analyzes the underlying strategies and technological innovations that facilitated Ruixing's remarkable growth since its inception in 2017. With a distinctive focus on its tech-driven approach, the research highlights Ruixing's meticulous use of smart technology in business monitoring, the integration of blockchain for financial transparency, the role of big data in its operations, and its strategic emphasis on precision marketi

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39

Burhanuddin, Yanuar, Che Hassan Che Haron, and Jaharah A. Ghani. "The Effect of Tool Edge Geometry on Tool Performance and Surface Integrity in Turning Ti-6Al-4V Alloys." Advanced Materials Research 264-265 (June 2011): 1211–21. http://dx.doi.org/10.4028/www.scientific.net/amr.264-265.1211.

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This paper focuses on the influence of cutting tool edge geometry, cutting speed and feed rate on the tool performance and workpiece’s surface integrity in dry turning of Ti-6Al-4V alloy using PCBN inserts. The parameters evaluated are tool life, wear rate, wear mechanisms, surface roughness and subsurface microstructure alterations. The rate of wear growth of the insert was assessed by progressive flank wear using optical microscope by taking photographs after certain length of cut. The wear mechanism at the end of tool life was investigated in detail using scanning electron microscope (SEM)

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40

Zhao, Hong Hao, Fan Bo Meng, Qing Qi Zhao, and Jie Wang. "A Novel Construction Method of QC-LDPC Codes Based on Generalized ACE Constrained." Advanced Materials Research 760-762 (September 2013): 1684–89. http://dx.doi.org/10.4028/www.scientific.net/amr.760-762.1684.

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Recently, structured LDPC codes have been focused on due to excellent performance and lower complexity. An improved construction of QC-LDPC based on a modified PEG algorithm is proposed in this paper. The modified Progressive Edge-Growth algorithm is a PEG algorithm with Approximated Cycle Extrinsic Message Degree (ACE) metric, which is used to describe the connectivity of cycles. The approach can maximize the girth of the cycles, improve the connectivity of cycles and have the advantages of QC algorithms. The simulation results demonstrate that the PEG algorithm based on ACE has lower Bit Err

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41

Gao, Chaohui, Sen Liu, Dong Jiang, and Lijun Chen. "Constructing LDPC Codes with Any Desired Girth." Sensors 21, no. 6 (2021): 2012. http://dx.doi.org/10.3390/s21062012.

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In wireless sensor networks, the reliability of communication can be greatly improved by applying low-density parity-check (LDPC) codes. Algorithms based on progressive-edge-growth (PEG) pattern and quasi-cyclic (QC) pattern are the mainstream approaches to constructing LDPC codes with good performance. However, these algorithms are not guaranteed to remove all short cycles to achieve the desired girth, and their excellent inputs are difficult to obtain. Herein, we propose an algorithm, which must be able to construct LDPC codes with the girth desired. In addition, the optimal input to the pro

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42

Tong, Ning Ning, Dan Feng Zhao, and Yu Ping Wu. "A Kind of Improved PEG Algorithm of Q-Ary LDPC Codes." Applied Mechanics and Materials 130-134 (October 2011): 3032–35. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.3032.

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Progressive-edge-growth (PEG) algorithm is one of the best known methods for constructing LDPC codes at short and intermediate block lengths, however, the codes directly designed by such algorithm has high encoding complexity, especially for q-ary LDPC codes, encoding complexity increases with the increase of q value rapidly, which hinder the development of q-ary LDPC code’s implementation seriously. To such problem, the paper presents a improved method based on PEG algorithm which can be encoded by the iterative encoding algorithm with the liner operation complexity. The simulation results in

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43

Shtompel, M. "БІОІНСПІРОВАНА ОПТИМІЗАЦІЯ НЕДВІЙКОВИХ КОДІВ З МАЛОЮ ЩІЛЬНІСТЮ ПЕРЕВІРОК НА ПАРНІСТЬ". Системи управління, навігації та зв’язку. Збірник наукових праць 4, № 78 (2024): 223–25. https://doi.org/10.26906/sunz.2024.4.223.

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У роботі запропоновано біоінспірований підхід до оптимізації недвійкових кодів з малою щільністю перевірок на парність. На першому етапі розробленого методу оптимізації задаються характеристики передавання інформації та параметри обраної процедури біоінспірованої оптимізації. Ключовий етап методу полягає у ітеративному пошуку перевірочної матриці з використанням обраної біоінспірованої процедури оптимізації із застосуванням комп’ютерного моделювання. Моделювання процесу передавання інформації проводиться для заданого методу модуляції та обраних параметрів каналу зв’язку. Побудова наборів перев

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44

Backović, Nemanja, Bojan Ilić, Jelena Andreja Radaković, et al. "Towards 2050: Evaluating the Role of Energy Transformation for Sustainable Energy Growth in Serbia." Sustainability 16, no. 16 (2024): 7204. http://dx.doi.org/10.3390/su16167204.

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This paper aims to investigate the outlook of energy generation by means of transformation within the context of sustainable energy development. An analysis is conducted to assess the stability of energy systems so to implement cutting-edge energy production models at the national level, with a focus on a contemporary approach to energy modeling. Considering the energy transition and the existing constraints within the energy industry, the model assesses the feasibility of the practical advancement of renewable energy sources. The bottom-up energy model was used to determine how the components

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45

Ghafari, Sepehr, and Fereidoon Moghadas Nejad. "R-Curve Characterization of Crumb Rubber Modified Asphalt Mixtures Incorporating Warm Mix Additive at Low Temperatures." Key Engineering Materials 894 (July 27, 2021): 109–14. http://dx.doi.org/10.4028/www.scientific.net/kem.894.109.

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In a previous research by authors, a methodology was developed to derive J-R curves for Hot Mix Asphalt (HMA) mixtures using an elastic-plastic approach where a comprehensive understanding of crack propagation regime could be achieved. In this research, the effect of crumb rubber modification of HMA binder is studied in terms of R-curves and crack propagation at low temperatures. Mode I Single edge notched beam (SE(B)) fracture tests were conducted in temperature levels of 0 °C, -10 °C, and -20 °C. PG58-22 and PG64-22 binders were used in the fabrication of HMA samples. Modified specimens cons

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Lu, Shunpeng, Jianwei Ben, Ke Jiang, et al. "6-inch AlN epitaxial films with low dislocation densities via MOCVD." Journal of Semiconductors 46, no. 2 (2025): 022501. https://doi.org/10.1088/1674-4926/24110030.

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Abstract High-quality AlN epitaxial layers with low dislocation densities and uniform crystal quality are essential for next-generation optoelectronic and power devices. This study reports the epitaxial growth of 6-inch AlN films on 17 nm AlN/sapphire templates using metal−organic chemical vapor deposition (MOCVD). Comprehensive characterization reveals significant advancements in crystal quality and uniformity. Atomic force microscopy (AFM) shows progressive surface roughness reduction during early growth stages, achieving stabilization at a root mean square (RMS) roughness of 0.216 nm within

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Chinchanikar, Satish, and Nitin Motgi. "Tool wear evaluation of self-propelled rotary tool and conventional round tool during turning Inconel 718." Frattura ed Integrità Strutturale 18, no. 70 (2024): 242–56. http://dx.doi.org/10.3221/igf-esis.70.14.

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Enhancing the machinability of difficult-to-cut materials is imperative, and a non-conventional rotary tool has shown high potential when machining these materials. This work comparatively evaluates the tool wear of conventional round tools (CRTs) and self-propelled rotary tools (SPRTs) when turning Inconel 718. Tool wear progression over time was measured and analyzed, simulated for various cutting conditions by creating mathematical and ANN models. This study found a 67% increase in tool life for SPRTs over CRTs, especially at a higher cutting speed of 65 m/min, due to improved heat transmis

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Alvaro, Lopez Paredes, Heredia Conde Miguel, and Loffeld Otmar. "Sparsity-aware 3D ToF Sensing." IEEE Sensors Journal 23, no. 4 (2023): 3973–89. https://doi.org/10.1109/JSEN.2023.3234533.

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In this work, we propose several time-of-flight (ToF) sensing schemes which tackle the challenge of covering very-wide areas and long ranges in nearly real time, with relatively simple implementation and low associated computational load. We thoroughly describe two methodologies for the resolution of the inverse problem. First, we extend a greedy algorithm, such as orthogonal matching pursuit (OMP), by considering an initial refinement of the spatial domain in which the signal recovery is performed. Then, we propose various nonadaptive techniques for the construction of the sensing matrices, r

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Galambošová, Jana, Miroslav Macák, Marek Živčák, Vladimír Rataj, Pavol Slamka, and Katarína Olšovská. "Comparison of Spectral Reflectance and Multispectrally Induced Fluorescence to Determine Winter Wheat Nitrogen Deficit." Advanced Materials Research 1059 (December 2014): 127–33. http://dx.doi.org/10.4028/www.scientific.net/amr.1059.127.

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Technical and technological aspects of variable rate nitrogen fertilization receive much attention nowadays. Current commercial technology is based on the use of spectral reflectance of crop. However, these have some limitations as variety dependence, crop health effect and limited use in more developed growth stages. New parameters overcoming these problems need to be assessed and their potential in precision agriculture should be considered. Multispectrally induced fluorescence is a progressive method. In addition to chlorophyll content, it allows to determine phenolic compounds, which is a

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France, Ryan M., Jennifer Selvidge, Kunal Mukherjee, and Myles A. Steiner. "Optically thick GaInAs/GaAsP strain-balanced quantum-well tandem solar cells with 29.2% efficiency under the AM0 space spectrum." Journal of Applied Physics 132, no. 18 (2022): 184502. http://dx.doi.org/10.1063/5.0125998.

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GaAs is often used as a multijunction subcell due to its high material quality on GaAs substrates, despite having a non-optimal bandgap. The bandgap can be beneficially reduced using many layers of thin, strain-balanced GaInAs in a superlattice or quantum well device, but achieving excellent carrier collection without increased recombination has proven challenging. Here, we develop and demonstrate high performance, optically thick GaInAs/GaAsP strain-balanced solar cells. Excellent material quality is achieved in thick superlattices by using growth conditions that limit progressive thickness a

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