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Articles 41551 - 41580 of 42075
Full-Text Articles in Entire DC Network
Shapley Idioms: Analysing Bert Sentence Embeddings For General Idiom Token Identification, Vasudevan Nedumpozhimana, Filip Klubicka, John Kelleher
Shapley Idioms: Analysing Bert Sentence Embeddings For General Idiom Token Identification, Vasudevan Nedumpozhimana, Filip Klubicka, John Kelleher
Articles
This article examines the basis of Natural Language Understanding of transformer based language models, such as BERT. It does this through a case study on idiom token classification. We use idiom token identification as a basis for our analysis because of the variety of information types that have previously been explored in the literature for this task, including: topic, lexical, and syntactic features. This variety of relevant information types means that the task of idiom token identification enables us to explore the forms of linguistic information that a BERT language model captures and encodes in its representations. The core of …
Intensive Outpatient Acceptance And Commitment Therapy With Exposure And Response Prevention For Adolescents, Julie M. Petersen, Patricia Zurita Ona, Moorea Blythe, Clara M. Möller, Michael P. Twohig
Intensive Outpatient Acceptance And Commitment Therapy With Exposure And Response Prevention For Adolescents, Julie M. Petersen, Patricia Zurita Ona, Moorea Blythe, Clara M. Möller, Michael P. Twohig
Psychology Student Research
Intensive treatments for youth obsessive-compulsive disorder (OCD) are important and underresearched. This study used three adolescent cases to assess the preliminary efficacy of an intensive treatment combining acceptance and commitment therapy (ACT) with exposure and response prevention (ERP) for OCD. Participants received intensive treatment for 15 hours per week for three weeks. Assessments were collected at pre-treatment, weekly during treatment, and at posttreatment. All participants ended treatment in the mild range of OCD severity with 32-60% reductions in symptoms. Participants also reported notable improvements in psychological flexibility and ended treatment in the non-clinical range of depression, anxiety, and stress. These …
The Contribution Of Positive Affect And Loneliness On Readiness And Self-Efficacy To Quit Smoking Among Spanish-Speaking Mexican American Smokers, Tatiana Londoño, John R. Moore, Zully C. Guerra, Nazanin M. Heydarian, Yessenia Castro
The Contribution Of Positive Affect And Loneliness On Readiness And Self-Efficacy To Quit Smoking Among Spanish-Speaking Mexican American Smokers, Tatiana Londoño, John R. Moore, Zully C. Guerra, Nazanin M. Heydarian, Yessenia Castro
School of Social Work Faculty Publications
Background: The existing research on affective and interpersonal determinants of smoking cessation largely under-represents minority smokers, such as Latinos.
Objective: The current study examined associations between affective and interpersonal factors with intermediary smoking cessation variables among Mexican-American smokers (N = 290; 60% male).
Methods: Measures of positive and negative affect, social support, and loneliness were each examined for associations with measures of motivational readiness to quit smoking, and smoking abstinence self-efficacy. Significant predictors were entered into models simultaneously to examine their unique associations. Covariates included gender, age, and educational attainment.
Results: Negative affect (b = .68, SE b = …
Exitosas On Their Own Terms: Centering Latina Testimonios To Understand Latina Undergraduates’ Student Success Beliefs, Lauren R. Contreras
Exitosas On Their Own Terms: Centering Latina Testimonios To Understand Latina Undergraduates’ Student Success Beliefs, Lauren R. Contreras
Electronic Theses and Dissertations
Utilizing testimonio methodology grounded in LatCrit and Chicana Feminism, this research centered the voices of 11 Latina undergraduates attending a 4-year private, predominantly white institution in the Western U.S. to understand how they defined and measured their own success in higher education. Traditional success measures focus on the institution's dominant measures, such as graduation and persistence rates. These success measures do not fully represent Latina/o/x values nor how Latinas undergraduates define their own success in higher education. This research revealed that Latina undergraduates define their success by academic achievement, career attainment, Latina/o/x values of familismo and comunidad, and their …
Relación Entre La Depresión Y La Demencia [Relationship Between Depression And Dementia], Maria Del Pilar Santacruz-Ortega, Maria Fernanda Cobo-Charry, Silvia Mejia-Arango
Relación Entre La Depresión Y La Demencia [Relationship Between Depression And Dementia], Maria Del Pilar Santacruz-Ortega, Maria Fernanda Cobo-Charry, Silvia Mejia-Arango
School of Medicine Publications
La alta asociación entre la depresión y la demencia en el adulto mayor ha motivado a investigar la clase de relación que existe entre ellas. El objetivo de esta revisión narrativa fue describir la relación entre la depresión y la demencia, para lo que se revisaron las bases de datos Medline, Science Direct, Dialnet, Redalyc entre 2000 y 2021, con los descriptores verbales “demencia” AND “depresión” AND “relación” AND “adulto mayor” OUT “depresión de cuidadores” para ubicar los documentos candidatos y luego elegir la muestra final conformada por 67 artículos publicados, que fueron revisados por tres jueces para la selección. …
Merging Modest With Complexity, Mark Garry
Merging Modest With Complexity, Mark Garry
Doctoral
This thesis will enable a retrospective critical examination of aspects of my practice as an artist from 2005 - 2020. The research question addresses the implication of multiple forms of inter-reliance enabled in the practice. This will be enabled by opening a discursive space that retrospectively, integrates and critically examines the role and function of inter-reliance as a structural methodology and how this is implicated in the practice over this period.
This thesis will use term inter-reliance to define a play of relations where individual art works when viewed in isolation exist only in partial illumination as a form of …
Rosa Cornelia Veal Papers - Accession 1766, Rosa Cornelia Veal
Rosa Cornelia Veal Papers - Accession 1766, Rosa Cornelia Veal
Manuscript Collection
The Rosa Cornelia Veal Papers document the professional career, pedagogical philosophy, and personal life of Winthrop College Class of 1926 graduate Rosa Cornelia Veal (1904–1967), an educator whose work spanned elementary classroom instruction, teacher education, and curriculum development during the mid-twentieth century. The collection dates from 1904 to 1978, with the bulk of the materials concentrated between the 1930s and 1940s, corresponding to Veal’s tenure as an elementary school teacher and associate professor of elementary education at Ball State Teachers College.
The collection contains a substantial body of teaching materials that provide insight into classroom practices, instructional methods, and educational …
All Things Merge Into One, And A River Runs Through It: Exploring The Dimensions Of Blended Learning By Developing A Case Study Template For Blended Activities, Damian Gordon, Paul Doyle, Anna Becevel, Tina Baloh
All Things Merge Into One, And A River Runs Through It: Exploring The Dimensions Of Blended Learning By Developing A Case Study Template For Blended Activities, Damian Gordon, Paul Doyle, Anna Becevel, Tina Baloh
Articles
The BLITT (Blended Learning International Train the Trainer) Project is focused on developing a training programme to equip teachers to become proficient in championing the use of Blended Learning in the classroom. The training programme will be developed in two phases, in the first phase involves the development of a series of case studies relevant to Blended Learning, followed by a second phase where the BLITT training programme will be designed and developed, using input from these cases. In developing the blended learning case studies, two key documents were identified as being essential, first, a case study tracking template to …
The Influence Of Psychosocial And Sociocultural Situatedness Within Organisations On The Practice Of Mindfulness Among Employees: A Systematic Review Of Literature, Bhuvan Israni, Niamh Imbusch
The Influence Of Psychosocial And Sociocultural Situatedness Within Organisations On The Practice Of Mindfulness Among Employees: A Systematic Review Of Literature, Bhuvan Israni, Niamh Imbusch
Other resources
No abstract provided.
Effect Of Açai Berry Extract Application On The Bond Strength To The Bleached Enamel Using An Experimental Etch-And-Rinse Adhesive, Lamiaa M. Moharam, Haidy N. Salem, Shahinaz N. Hassan
Effect Of Açai Berry Extract Application On The Bond Strength To The Bleached Enamel Using An Experimental Etch-And-Rinse Adhesive, Lamiaa M. Moharam, Haidy N. Salem, Shahinaz N. Hassan
Chemical and Biochemical Engineering Faculty Research & Creative Works
Background: To evaluate the bleached enamel shear bond strength (SBS) after antioxidants application using an experimental adhesive. Material and Methods: Sixty sound human molars had their roots removed then cut into buccal and lingual halves and mounted in acrylic blocks. Enamel bleaching was done using an in-office chemical bleaching agent. Specimens were arbitrarily allocated into 12 groups (n=10) regarding the three experimental levels of the study: two antioxidant agents [10% açai berry extract, 10% sodium ascorbate prepared gels (applied for 15-min) and the control group (no antioxidant application)], two adhesive materials [commercial etch-and-rinse (ER) adhesive and an experimental ER adhesive] …
Extensive Thiol Profiling For Assessment Of Intracellular Redox Status In Cultured Cells By Hplc-Ms/Ms, Jiandong Wu, Anna Chernatynskaya, Annalise Pfaff, Huari Kou, Nan Cen, Nuran Ercal, Honglan Shi
Extensive Thiol Profiling For Assessment Of Intracellular Redox Status In Cultured Cells By Hplc-Ms/Ms, Jiandong Wu, Anna Chernatynskaya, Annalise Pfaff, Huari Kou, Nan Cen, Nuran Ercal, Honglan Shi
Computer Science Faculty Research & Creative Works
Oxidative stress may contribute to the pathology of many diseases, and endogenous thiols, especially glutathione (GSH) and its metabolites, play essential roles in the maintenance of normal redox status. Understanding how these metabolites change in response to oxidative insult can provide key insights into potential methods of prevention and treatment. Most existing methodologies focus only on the GSH/GSH disulfide (GSSG) redox couple, but GSH regulation is highly complex and depends on several pathways with multiple redox-active sulfur-containing species. In order to more fully characterize thiol redox status in response to oxidative insult, a high-performance liquid chromatography with tandem mass spectrometry …
A Drone-Based Application For Scouting Halyomorpha Halys Bugs In Orchards With Multifunctional Nets, Francesco Betti Sorbelli, Federico Coro, Sajal K. Das, Emanuele Di Bella, Lara Maistrello, Lorenzo Palazzetti, Cristina M. Pinotti
A Drone-Based Application For Scouting Halyomorpha Halys Bugs In Orchards With Multifunctional Nets, Francesco Betti Sorbelli, Federico Coro, Sajal K. Das, Emanuele Di Bella, Lara Maistrello, Lorenzo Palazzetti, Cristina M. Pinotti
Computer Science Faculty Research & Creative Works
In this work, we consider the problem of using a drone to collect information within orchards in order to scout insect pests, i.e., the stink bug Halyomorpha halys. An orchard can be modeled as an aisle-graph, which is a regular and constrained data structure formed by consecutive aisles where trees are arranged in a straight line. For monitoring the presence of bugs, a drone flies close to the trees and takes videos and/or pictures that will be analyzed offline. As the drone's energy is limited, only a subset of locations in the orchard can be visited with a fully charged …
Parenting Pre-Teens During Covid-19 In A Rural Midwestern Community: An Interpretive Phenomenological Study, Sarah Oerther, Daniel B. Oerther
Parenting Pre-Teens During Covid-19 In A Rural Midwestern Community: An Interpretive Phenomenological Study, Sarah Oerther, Daniel B. Oerther
Civil, Architectural and Environmental Engineering Faculty Research & Creative Works
To uncover the experiences of parenting Generation Z pre-teen children in rural communities impacted by the Stay Home Missouri order from April through May 2020. Researchers have focused on urban parents, leading to gaps in understanding the impact of the COVID-19 quarantine on rural parents and children. A qualitative study employing interpretive phenomenology. 14 white cis-male-sexed fathers and cis-female-sexed mothers living in midwestern rural communities participated in this study. Semi-structured interviews with 14 participants parenting pre-teen children were conducted. The interviews were analyzed using interpretive phenomenology. The COREQ checklist was followed. One theme that emerged from the narratives was the …
Optimizing Exterior Lighting Illuminance And Spectrum For Human, Environmental, And Economic Factors., S. M. Simmons, Stuart Werner Baur, William L. Gillis, Devin Michael Burns, Heath Pickerill
Optimizing Exterior Lighting Illuminance And Spectrum For Human, Environmental, And Economic Factors., S. M. Simmons, Stuart Werner Baur, William L. Gillis, Devin Michael Burns, Heath Pickerill
Civil, Architectural and Environmental Engineering Faculty Research & Creative Works
With the recent widespread adoption of LED lighting in outdoor areas, numerous concerns have been raised about the potential for harmful effects on humans, animals, plants, and the night sky. These stem from the high blue light content of some LED bulbs and an incentive to increase lighting levels caused by higher efficiency and lower costs. While new lighting installations are often described as environmentally friendly due to their energy efficiency, factors such as light pollution are often neglected or not given enough weight. This research focuses on optimizing the design of exterior lighting for human, environmental, and economic factors …
Impact Of Deicers On Low-Temperature Performance Of Missouri Pavements, Jun Liu, Yizhuang David Wang, Farshad Kerahroudi Saberi, Jenny Liu
Impact Of Deicers On Low-Temperature Performance Of Missouri Pavements, Jun Liu, Yizhuang David Wang, Farshad Kerahroudi Saberi, Jenny Liu
Civil, Architectural and Environmental Engineering Faculty Research & Creative Works
The use of deicer chemicals for highway winter maintenance operations is an essential strategy for ensuring a reasonably high level of service. It's critical to quantify their effectiveness and potentially detrimental effects on transportation infrastructure (i.e., asphalt and concrete pavements). In this study, nine deicer chemicals used in the state of Missouri were collected. The ice-melting test was conducted to quantify the performance characteristics of deicer chemicals. Freeze-thaw (F-T) test of concrete in the presence of deicer was conducted to quantify the negative effects of deicers to concrete. Low-temperature behavior of asphalt mixture affected by deicers was quantified by asphalt …
Fan-Shaped Model For Generating The Anisotropic Catchment Area Of Subway Stations Based On Feeder Taxi Trips, Shiwei Liu, Yajuan Deng, Xianbiao Hu, Jiaxing Zhou, Jianming Chen
Fan-Shaped Model For Generating The Anisotropic Catchment Area Of Subway Stations Based On Feeder Taxi Trips, Shiwei Liu, Yajuan Deng, Xianbiao Hu, Jiaxing Zhou, Jianming Chen
Civil, Architectural and Environmental Engineering Faculty Research & Creative Works
The catchment areas of subway stations have always been considered as a circular shape in previous research. Although some studies show the catchment area may be affected by road conditions, public transportation, land use, and other factors, few studies have discussed the shape of the catchment area. This study focuses on analyzing the anisotropy of catchment areas and developing a sound methodology to generate them. Based on taxi global positioning system (GPS) data, this paper first proposes a data mining method to identify feeder taxi trips around subway stations. Then, a fan-shaped model is proposed and applied to Xi'an Metro …
Bcmnet: Cross-Layer Extraction Structure And Multiscale Downsampling Network With Bidirectional Transpose Fpn For Fast Detection Of Wildfire Smoke, Jiayong Li, Guoxiong Zhou, Aibin Chen, Chao Lu, Liujun Li
Bcmnet: Cross-Layer Extraction Structure And Multiscale Downsampling Network With Bidirectional Transpose Fpn For Fast Detection Of Wildfire Smoke, Jiayong Li, Guoxiong Zhou, Aibin Chen, Chao Lu, Liujun Li
Civil, Architectural and Environmental Engineering Faculty Research & Creative Works
At present, the wildfire smoke detection algorithm based on YOLOv3 has problems, such as low accuracy and slow detection speed. In this article, we propose a cross-layer extraction structure and multiscale downsampling network with bidirectional transpose FPN (BCMNet) for fast detection of wildfire smoke. First, a cross-layer extraction module, which combines linear feature multiplexing and receptive field amplification, is designed. It can improve the speed and accuracy of wildfire smoke detection. Second, a multiscale downsampling module with different convolution kernels and maximum pooling operation is designed to preserve the details of the image while downsampling. Then, a bidirectional transposed FPN …
Extraction Of Stripline Surface Roughness Using Cross-Section Information And S-Parameter Measurements, Zeyi Sun, Jian Liu, Xiaoyan Xiong, Victor Khilkevich, Donghyun Kim, Darvl Beetner
Extraction Of Stripline Surface Roughness Using Cross-Section Information And S-Parameter Measurements, Zeyi Sun, Jian Liu, Xiaoyan Xiong, Victor Khilkevich, Donghyun Kim, Darvl Beetner
Engineering Management and Systems Engineering Faculty Research & Creative Works
To characterize additional conductor loss introduced by conductor surface roughness, various models have been proposed to describe the relationship between foil roughness levels and surface roughness correction factor. However, all these empirical or physical models require a PCB sample to be manufactured and analyzed in advance. The procedure requires dissecting the PCB and is time- and labor-consuming. To avoid such a process, a new surface roughness extraction process is proposed here. Only the measured S-parameter and nominal cross-sectional information of the board are needed to extract the roughness level of conductor foils. Besides, this method can also deal with boards …
Monte Carlo Particle Simulation Of Avalanche Breakdown In A Reverse Biased Diode With Full Band Structure, Zeyi Sun, Manish Kizhakkeveettil Mathew, Ryan From, Donghyun Kim
Monte Carlo Particle Simulation Of Avalanche Breakdown In A Reverse Biased Diode With Full Band Structure, Zeyi Sun, Manish Kizhakkeveettil Mathew, Ryan From, Donghyun Kim
Engineering Management and Systems Engineering Faculty Research & Creative Works
To model the avalanche breakdown of a voltage regulator diode under reverse bias, a computationally rigorous device physics model using the Monte Carlo method to solve charge carrier Boltzmann transport equations (BTEs) is proposed. The transport of energetic charge carriers is calculated by using the full energy band instead of the non-parabolic band structure. The position-dependent doping profile found in real diodes is modeled accurately and time-efficiently. A two-step method is introduced to accelerate the simulation of avalanche breakdown. With the proposed model, the expected IV characteristics of a voltage regulator diode under reverse bias are simulated. The transport of …
Polybenzodiazine Aerogels: All-Nitrogen Analogues Of Polybenzoxazines Synthesis, Characterization, And High-Yield Conversion To Nanoporous Carbons, Vaibhav A. Edlabadkar, Saidulu Gorla, Rushi U. Soni, A. B.M.Shaheen Ud Doulah, Joseph Gloriod, Samuel Hackett, Nicholas Leventis, Chariklia Sotiriou-Leventis
Polybenzodiazine Aerogels: All-Nitrogen Analogues Of Polybenzoxazines Synthesis, Characterization, And High-Yield Conversion To Nanoporous Carbons, Vaibhav A. Edlabadkar, Saidulu Gorla, Rushi U. Soni, A. B.M.Shaheen Ud Doulah, Joseph Gloriod, Samuel Hackett, Nicholas Leventis, Chariklia Sotiriou-Leventis
Chemistry Faculty Research & Creative Works
Tetrahydroquinazoline (THQ) was designed as an all-nitrogen analogue of main-stream benzoxazine monomers. THQ solutions in DMF gelled at 100 °C via HCl-catalyzed ring-opening polymerization to polybenzodiazine (PBDAZ) wet gels, which were dried in an autoclave with supercritical fluid CO2 to aerogels. These as-prepared PBDAZ-100 aerogels undergo ring-fusion aromatization at 240 °C under O2. This oxidized form is referred to as PBDAZ-240. Chemical identification of PBDAZ-100 and PBDAZ-240 relied on consideration of all nine possible polymerization pathways, in combination with elemental analysis, infrared and solid-state 13C NMR spectroscopy, and 15N NMR spectroscopy of aerogels from the selectively 15N-enriched …
Fundamental Effects Of Al And Ta On Microstructure And Phase Transformations In The Al–Cr–Mo–Ta–Ti Refractory Complex Concentrated Alloy System, Austin E. Mann, Joseph William Newkirk
Fundamental Effects Of Al And Ta On Microstructure And Phase Transformations In The Al–Cr–Mo–Ta–Ti Refractory Complex Concentrated Alloy System, Austin E. Mann, Joseph William Newkirk
Materials Science and Engineering Faculty Research & Creative Works
The effect of aluminum and tantalum concentrations on a refractory metal complex concentrated alloy is reported, particularly with respect to their effect on microstructure and phase composition of the alloy in cast and annealed form. Alloys with an equiatomic composition, (AlCrMoTaTi), an aluminum-lean composition (Al0.75CrMoTaTi), and a tantalum-lean composition (AlCrMoTa0.75Ti) are produced via arc melting. The alloys exhibit multiphase structures, confirmed by X-ray diffraction, microstructural characterization, and thermal analysis. The minor off-equiatomic adjustments of aluminum and tantalum in this alloy system did not drastically alter the prevalence of the Cr–Ta-based Laves phase. Correlations between thermodynamic predictions and observed phase transformations …
Effect Of Spallation On Oxidation Kinetics Of Heat-Resistant Cr–Ni Austenitic Steels On Air And Combustion Atmosphere, Simon N. Lekakh, Oleg Neroslavsky, Mei Li, Larry Godlewski, Wenhui Zhu
Effect Of Spallation On Oxidation Kinetics Of Heat-Resistant Cr–Ni Austenitic Steels On Air And Combustion Atmosphere, Simon N. Lekakh, Oleg Neroslavsky, Mei Li, Larry Godlewski, Wenhui Zhu
Materials Science and Engineering Faculty Research & Creative Works
Thin-walled castings made from Cr–Ni austenitic steels offer a combination of light weight of a near-net component with significant high temperature corrosion protection by forming a surface oxide layer. However, above critical service conditions (temperature, atmosphere, thermal cycling), oxidized surface can result in intensive surface degradation due to scale spallation. Scale spallation can decrease the wall thickness which could be detrimental to the in-service life of thin-walled castings. Experiments and stochastic simulations of spallation assisted oxidation were performed with three cast austenitic heat-resistant steels having different Cr–Ni concentrations at temperatures between 900 and 1000 ℃ on air and water vapor …
"Blood, Sweat, Tears:" A Muslim Woman Law Professor's View On Degenerative Racism, Misogyny, And (Internal) Islamophobia From Preeclampsia And Presumed Incompetent To Pandemic Tenure, Nadia B. Ahmad
FIU Law Review
From classical literature, popular press, law, everyday conversations, and social media rampages, society scrutinizes visible Muslim women even though they are a part of a vast global population. From E.M. Forrester’s A Passage to India—the Orientalist summer reading I endured in high school—to the incessant online attacks on U.S. Congresswoman Ilhan Omar, the hatred has no end and no bounds. Visible Muslim women are accustomed to erasure and censure for simply existing. In France, legislators sought to expel visible Muslim women under the age of eighteen from the public space. Women’s rights have been used as a pretext to invade …
(In)Dependent Contractors: Combatting Employee Misclassification In Title 26, Kyle T. Macdonald
(In)Dependent Contractors: Combatting Employee Misclassification In Title 26, Kyle T. Macdonald
FIU Law Review
This comment addresses the use of 26 U.S.C. § 7434 as an alternative remedy for individuals who are misclassified by their employers as independent contractors for federal tax purposes. Historically, misclassified employees have used more well-known employment laws such as the Fair Labor Standards Act to sue employers who engage in employee misclassification. 26 U.S.C. § 7434 provides an underutilized, alternative means for misclassified employees to recover damages for wrongful misclassification. Originally enacted in 1996 as part of the Taxpayer Bill of Rights, 26 U.S.C. § 7434 is a tax fraud statute that allows a taxpayer to seek civil damages …
Mysterious Ways, Lawrence M. Friedman
Mysterious Ways, Lawrence M. Friedman
FIU Law Review
The “mystery” or “detective” novel originated in the first half of the 19th century, and quickly became extremely popular. Its origins betray changes in English and American society—the same changes that led to innovations in criminal justice, especially the creation of detective squads in the big cities. The goal of the detective was to expose secret crime—crimes committed by confidence men, and others who worked in the shadows. Thousands and thousands of detective novels have been written; they are extremely varied; but they tend to share one common trait: they turn on the problem of hidden personal identities, which the …
Analysis Of The Shielding Effectiveness Of Chassis Based On Dgtd Method, Zheng Lang Jia, Lei Zhao, Zhao Sheng Xue, Ying Liu, Huan Huan Zhang, L. (Lijun) J. Jiang
Analysis Of The Shielding Effectiveness Of Chassis Based On Dgtd Method, Zheng Lang Jia, Lei Zhao, Zhao Sheng Xue, Ying Liu, Huan Huan Zhang, L. (Lijun) J. Jiang
Electrical and Computer Engineering Faculty Research & Creative Works
An electromagnetic simulation method is proposed for shielding effectiveness (SE) of chassis in this paper. The discontinuous Galerkin time-domain (DGTD) equation is established based on Maxwell's equation. The uniaxial perfectly matched layer (UPML) is used as an absorbing boundary condition to simulate an open space. At last, the method is applied to analyze the effect of the aspect ratios of rectangular apertures on shielding effectiveness.
Electromagnetic-Thermal Co-Simulation Of Microstrip Filter, Xin Yi Liu, Zheng Lang Jia, Huan Huan Zhang, Ying Liu, W. E.I. Sha, L. (Lijun) J. Jiang
Electromagnetic-Thermal Co-Simulation Of Microstrip Filter, Xin Yi Liu, Zheng Lang Jia, Huan Huan Zhang, Ying Liu, W. E.I. Sha, L. (Lijun) J. Jiang
Electrical and Computer Engineering Faculty Research & Creative Works
An electromagnetic-thermal co-simulation method is proposed for microstrip filter in this paper. The Maxwell equation is solved by discontinuous Galerkin time-domain (DGTD) method, while thermal simulation is carried out based on finite-element time-domain (FETD) method. Electromagnetic and thermal simulations are coupled by power loss and temperature-dependent conductivity. At last, the method is applied to analyze the microstrip low-pass filter.
Design Of Dual-Band Mimo Decoupling Network, Min Li, Lijun Jiang, Kwan Lawrence Yeung
Design Of Dual-Band Mimo Decoupling Network, Min Li, Lijun Jiang, Kwan Lawrence Yeung
Electrical and Computer Engineering Faculty Research & Creative Works
In the past decades, kinds of decoupling approaches were used to improve isolation among multiple-input multiple-output (MIMO) antennas, such as defected ground structure (DGS) [1], parasitic structure [2], decoupling network (DN) [3], etc. However, most were applied to single-band antennas. Dual-band decoupling is still challenging. This paper proposes a method to design the dual-band DN [4] with an arbitrary frequency band ratio (f2/f1). Besides, the proposed DN has a wideband decoupling performance.
Modeling Radiated Emissions From Pcbs In Shielding Enclosures Based On A Numerical Green's Function Approach, Zi An Wang, Li (Lijun) Jun Jiang, Jun Fa Mao, Ping Li
Modeling Radiated Emissions From Pcbs In Shielding Enclosures Based On A Numerical Green's Function Approach, Zi An Wang, Li (Lijun) Jun Jiang, Jun Fa Mao, Ping Li
Electrical and Computer Engineering Faculty Research & Creative Works
To accurately and efficiently model the radiated emissions from printed circuit boards (PCBs) placed in shielding enclosures, in this work, a novel approach based on the numerical Green's function (NGF) is proposed. In terms of Schelkunoff's equivalence principle, if the interior of the shielding enclosure is filled up with perfectly electric conductor (PEC), only tangential electric fields over the ventilation slots are sufficient to obtain the radiated emissions. However, due to the presence of the PEC filled shielding box, the in-situ Green's function is not available. To conquer this problem, the proposed approach can be split into two steps. In …
Graphene-Based Terahertz Holographic Conformal Antenna, Peng Fei Ren, Li (Lijun) Jun Jiang, Ping Li
Graphene-Based Terahertz Holographic Conformal Antenna, Peng Fei Ren, Li (Lijun) Jun Jiang, Ping Li
Electrical and Computer Engineering Faculty Research & Creative Works
In this paper, a conformal graphene holographic antenna designed for terahertz (THz) band is proposed. The radiation principle of the proposed pattern reconfigurable antenna is based on the holographic technology. The surface reactance modulation and pattern steering capability can be easily facilitated by a tunable DC-biased graphene patch array. Thanks to the super thin structure and excellent mechanical property of graphene, the proposed THz graphene holographic antenna can be designed conformal to required platforms easily. Besides, the equal size as well as same spacing of graphene patches make it easy to modeling and manufacture. To verify the proposed idea, an …