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检索条件"任意字段=Conference on Design and Engineering of Optical Systems II"

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design and Analysis of optical Wireless Communication systems 4

Design and Analysis of Optical Wireless Communication System...

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4th International conference on Smart Electronics and Communication, ICOSEC 2023

作者： Kannan, K. Jagadesan, A. Karthika, G. Pokhariya, Hemant Singh Kaliappan, S. Kanimozhi, K.V. R.M.K. College of Engineering and Technology Department of Electronics and Communication Engineering Tamil Nadu Chennai601206 India R.M.K Engineering College Department of Physics Tamil Nadu Kavaraipettai601206 India R.M.D. Engineering College Department of Electronics and Communication Engineering Tamil Nadu Kavaraipettai601206 India Graphic Era Deemed to Be University Department of Computer Science and Engineering Uttarakhand Dehradun248002 India Lovely Professional University Division of Research and Development Punjab Phagwara144411 India Saveetha School of Engineering Saveetha Institute of Medical and Technical Sciences Department of Computer Science and Engineering Tamil Nadu Chennai602105 India

ISBN: (纸本)9798350300888

The design and implementation of Underwater Wireless optical Communication (UWOC) provide important scientific problems. UWOC has the ability to transmit data at a high pace across long distances. This essay makes an effort to concentrate on the complexity of real-world applications and unresolved problems in UWOC systems. The key developments and advancements in the subject, modelling methods, and connection design difficulties are outlined. The goal of this study is to provide recommendations for a practical and trustworthy UWOC design with enhanced performance. Finally, a summary of the key aspects is provided to aid in future UWOC study. © 2023 IEEE.

关键词： Light emitting diodes

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design and demonstration of the integrated electro-optical countermeasure system for low, slow, and small unmanned aerial vehicles (UAVs)

Design and demonstration of the integrated electro-optical c...

引用

2023 International conference on Computer Application and Information Security, ICCAIS 2023

作者： Zhou, Shuiliang Wang, Hongrui Wang, Qiushi Huang, Naxi AVIC Manufacturing Technology Institute Beijing100024 China

ISBN: (纸本)9781510675032

In recent years, significant changes have occurred in the world situation, with major power games rapidly escalating and unprecedented intense geopolitical conflicts. The new distributed, miniaturized unmanned aerial vehicle (UAV) swarm system has played a crucial role in geopolitical conflicts, demonstrating the strong combat capabilities and enormous combat potential of highly intelligent and autonomous unmanned combat equipment in future joint operations. This paper completes the design demonstration of an integrated electro-optical countermeasure system for air-to-ground combat by analyzing the technical characteristics of "low, slow, small" UAVs and the advantages of electro-optical systems in countering them. Through the analysis and demonstration of strike plans and indicators, methods such as multi-station coordination and adaptive saturation interception can meet the destructive requirements for incoming "low, slow, small" swarm targets. © 2024 SPIE.

关键词： Demonstrations

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The REVHEAL Project: Preliminary FE Simulations of Full-Scale Tests on Masonry Cross Vaults 5th

The REVHEAL Project: Preliminary FE Simulations of Full-Scal...

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5th International conference on Protection of Historical Constructions-PROHITECH

作者： Gandelli, Emanuele Facconi, Luca Faini, Samuele Minelli, Fausto Alforno, Marco Ferrero, Chiara Matta, Emiliano Sammartano, Giulia Venuti, Fiammetta Monaco, Alessia Univ Brescia Dept Civil Environm Architectural Engn & Math DIC Brescia Italy Politecn Torino Dept Architecture & Design DAD Brescia Italy

ISBN: (纸本)9783031873188;9783031873164;9783031873157

The project REVHEAL (Structural Rehabilitation of Vaults in Heritage Asset Learning: collapse identification and design of compatible strengthening systems supported by adaptive 3D models) focuses on the identification of the main collapse mechanisms of masonry cross vaults under differential settlements and the design of sustainable strengthening systems, both items supported by the development of novel 3D adaptive models. These objectives are pursued by means of two experimental campaigns, on small-scale and full-scale specimens, respectively. The experiments on both scale specimens are supported by 3D digital models based on point clouds and multi-scale approximated surface objects, for an accurate detection of the cracks' pattern. The full-scale tests aim at assessing the response of a 3.5 m span masonry cross-vault under shear sliding of two abutments. The test program includes two reverse cyclic quasi-static tests: the first carried out on a bare vault and the second on the same vault strengthened by an TRM overlay applied at the extrados of the specimen. This paper describes the results of preliminary FE simulations carried out on the bare vault employing a nonlinear continuum approach. In particular, a parametric study was performed to investigate different layouts of interaction between the cross-vault and the perimetral arches highlighting its importance on the overall seismic response. Indeed, this aspect may affect: (a) both the lateral stiffness and the peak strength;(b) the evolution of the cracking pattern;(c) the slope of the post-peak softening branch.

关键词： masonry cross vaults real-scale tests test set-up FE analyses

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Analytical Method for optical Waveguide design in Communication systems

Analytical Method for Optical Waveguide Design in Communicat...

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2023 International conference on Power Energy, Environment and Intelligent Control, PEEIC 2023

作者： Kavitha, R. Bhambu, Pawan Mishra, Awakash Computer Science Engineering Department Bangalore India Vivekananda Global University Department of Computer Science & Engineering Jaipur India Maharishi School of Engineeing & Technology Maharishi University of Information Technology Uttar Pradesh India

ISBN: (纸本)9798350357769

The goal of this study is to provide an analytical framework, reinforced by numerical insights, to facilitate the design of optical slab waveguides for use in optical networks of communication. This paper presents the detailed design of an optically slab waveguide structure made of silicon-on-silicon dioxide and the detailed analysis that followed. The main feature being studied is the mode's effective index, together with a careful analysis of its response to changes in the waveguide's size. Through an investigation of the interactions among effective index, waveguide measurements, and wavelength, this work offers a sophisticated comprehension of the nuances controlling the behavior of optical slab waveguides. A crucial aspect of the research is examining waveguide bending loss, paying close attention to changes in waveguide length and thickness. Three distinct waveguide transmission windows are used for this inquiry, with the wavelengths of 850 nm, 1300 nm, and 1550 nm being the main targets. The analysis's conclusions provide insightful information on how waveguide shape affects bending losses inside these gearbox windows, which is essential knowledge for maximizing the effectiveness of optical slab the waveguides in real-world applications. © 2023 IEEE.

关键词： Analytical Method Communication systems Effective Index Numerical Insights optical Slab Waveguides optical Waveguide design Silicon-On-Silicon Dioxide Waveguide Measurements Wavelength and Bending Loss

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design and performance validation of a large diameter (22.5 mm) metalens refractive doublet

Design and performance validation of a large diameter (22.5 ...

引用

International optical design conference 2023

作者： Kochan, Nicholas S. Simmons, Evan L. Britton, Wesley A. Woolf, David N. Physical Sciences Inc. 20 New England Business Ctr AndoverMA01810 United States

We present a nano-to-macroscale design methodology for hybrid metalens refractive optical systems, and evaluate our approach by fabricating and characterizing an F/1.4, 22.5mm diameter aperture visible band air-spaced... 详细信息

ISBN: (数字)9781510668515

ISBN: (纸本)9781510668508

关键词： optical design

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Challenges using data-driven methods and deep learning in optical engineering 23

Challenges using data-driven methods and deep learning in op...

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conference on Current Developments in Lens design and optical engineering XXiiI Part of SPIE Optics and Photonics conference

作者： Buquet, Julie Parent, Jocelyn Lalonde, Jean-Francois Thibault, Simon Univ Laval 2325 Rue Univ Quebec City PQ Canada Immervision 2020 Blvd Robert Bourassa Montreal PQ Canada

ISBN: (纸本)9781510654198;9781510654181

Data driven approaches have proven very efficient in many vision tasks and are now used for optical parameters optimization in application-specific camera design. A neural network is trained to estimate images or image quality indicators from the optical characteristics. The complexity and entanglement of such optical parameters raise new challenges we investigate in the case of wide-angle systems. We highlight them by establishing a data-driven prediction model of the RMS spot size from the distortion using mathematical or AI-based methods.

关键词： Computational optics End-to-End design Wide-angle systems Learning-based PSF estimation Distortion Data-driven optical engineering

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Genetic algorithm enables off-the-shelf optical system design: the scan lens case

Genetic algorithm enables off-the-shelf optical system desig...

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International optical design conference 2023

作者： Madrid-Sánchez, Alejandro Ortiz-Ocampo, José Trujillo, Carlos Duerr, Fabian Ottevaere, Heidi Vrije Universiteit Brussel and Flanders Make Pleinlaan 2 BrusselsB-1050 Belgium School of Applied Sciences and Engineering Applied Optics Research Group Universidad EAFIT Carrera 49 N. 7 Sur 50 Medellín Colombia

Genetic algorithms enable optical system design with off-the-shelf optics. We propose a genetic algorithm that uses five-mutation operators for a scan lens design from scratch. This work demonstrates designs of multip... 详细信息

ISBN: (数字)9781510668515

ISBN: (纸本)9781510668508

关键词： optical design

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A Framework for Supporting Adaptive Human-AI Teaming in Air Traffic Control 20th

A Framework for Supporting Adaptive Human-AI Teaming in Air ...

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20th International conference on engineering Psychology and Cognitive Ergonomics (EPCE) Held as Part of the 25th International conference on Human-Computer Interaction (HCii)

作者： Malakis, Stathis Baumgartner, Marc Berzina, Nora Laursen, Tom Smoker, Anthony Poti, Andrea Fabris, Gabriele Velotto, Sergio Scala, Marcello Kontogiannis, Tom Int Federat Air Traff Controllers Associat IFATCA Joint Cognit Human Machine Syst JCHMS Grp Montreal PQ Canada Tech Univ Crete Dept Prod Engn & Management Cognit Ergon & Ind Safety Lab Chania Hellas Greece

ISBN: (纸本)9783031353888;9783031353895

In recent years, the growth of cognitively complex systems has motivated researchers to study how to improve these systems' support of human work. At the same time, there is a momentum for introducing Artificial Intelligence (AI) in safety critical domains. The Air Traffic Control (ATC) system is a prime example of a cognitively complex safety critical system where AI applications are expected to support air traffic controllers in performing their tasks. Nevertheless, the design of AI systems that support effectively humans poses significant challenges. Central to these challenges is the choice of the model of how air traffic controllers perform their tasks. AI algorithms are notoriously sensitive to the choice of the models of how the human operators perform their tasks. The design of AI systems should be informed by knowledge of how people think and act in the context of their work environment. In this line of reasoning, the present study has set out to propose a framework of cognitive functions of air traffic controllers that can be used to support effectively adaptive Human - AI teaming. Our aim was to emphasize the "staying in control" element of the ATC. The proposed framework is expected to have meaningful implications in the design and effective operationalization of Human - AI teaming projects at the ATC Operations rooms.

关键词： Air Traffic Control Cognitive systems engineering Artificial Intelligence

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MBSE for Performance Analysis and Tracing in Preliminary design Through SysML Diagrams 3rd

MBSE for Performance Analysis and Tracing in Preliminary ...

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3rd International conference on design Tools and Methods in Industrial engineering, ADM 2023

作者： Di Marino, Castrese Pasquariello, Agnese Di Fede, Flavio Patalano, Stanislao Leonardo Labs Leonardo S.p.A. Corso Francia 426 Turin10146 Italy Fraunhofer J-Lab IDEAS Department of Industrial Engineering University of Naples Federico II Naples Italy

ISBN: (纸本)9783031520747

Nowadays, the high competitiveness in the global market pushes companies to pursue innovation with the aim of reaching profitable results. Even if the adoption of Model-Based System engineering (MBSE) as an innovative approach for robust design is rapidly spreading in companies, there is still a lack of collaboration between system engineers involved in the requirements management and architectures modelling, and designers of specific systems. For this reason, the present work aims to better connect the system description process with the solving process through the adoption of specific SysML diagrams during preliminary design steps. A direct connection between requirements and design parameters is proposed by means of a well-defined process that fits into the wider V-Model for system development. The whole process enables (i) the rapid development of new models focusing on the connection between requirements and parameters, (ii) tracking of the designing process as well as (iii) the evaluation of performance requirements. This approach is applied to a case study of the Thermal Management System for a hybrid-electric aircraft, focusing on enabling the connection between system description and system development. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2024.

关键词： Requirements engineering

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design and Evaluation of FPGA-Optimized Bangladesh Asymmetrical and Symmetrical Five-Term Karatsuba Multipliers 3

Design and Evaluation of FPGA-Optimized Bangladesh Asymmetri...

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3rd International conference on Advancement in Electrical and Electronic engineering, ICAEEE 2024

作者： Maharana, Raushan Das, Monalisa Jajodia, Babita Indian Institute of Information Technology Department of Electronics and Communication Engineering Guwahati India

ISBN: (纸本)9798350388282

The current demand for efficient multiplication of large integer polynomials in contemporary cryptographic systems is crucial. This work explores the Karatsuba-like multiplication, recognized as one of the most efficient algorithms. Despite its efficiency, this algorithm is often avoided in practice due to the complexity of sub-multiplications during intermediate computation steps. Consequently, efforts have been directed towards implementing asymmetrical and symmetrical five-term Karatsuba Multiplication, denoted as: AFiTKM-I, AFiTKM-ii, SFiTKM-I and SFiTKM-ii, focusing on speed and hardware utilization. To assess the overall performance of these proposed design methods, the Area-Time-Product (ATP) is calculated and compared with conventional asymmetrical and symmetrical five-term Karatsuba multiplication (CAFiTKM and CSFiTKM) and existing state-of-the-art approaches. Hardware implementations of five FiTKM multiplication architectures were executed using a Virtex-7 FPGA device in the Xilinx ISE platform. Comparing the performance of the best proposed five-term Karatsuba multiplication (AFiTKM-ii) based on Δ ATP with other state-of-the-art designs, it is 22.293%, 80.445%, 31.975%, 0.892%, 36.795%, 2.198% and 0.380% better than Direct Multiplication (DM), Traditional Schoolbook Multiplication (Traditional SBM), CAFiKM, AFiKTM-I, CSFiTKM, SFiTKM-I and SFiTKM-ii respectively, for 1024-bit inputs. © 2024 IEEE.

关键词： Public key cryptography

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