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advanced sensor systems and applications xIII 2023

作者： Filatov, Yu.V. Gorelaya, A.V. Alhasan, H. Sevryugin, A.A. Shalymov, E.V. Venediktov, V.Yu. Laser Measurement and Navigation Systems department Saint Petersburg Electrotechnical University "LETI" St. Petersburg197376 Russia

ISBN: (纸本)9781510667914

The condition and concept of confocality for ring resonators is considered. The results of the development of a compact (meridional cross-sectional area less than 2 cm2) monoblock ring resonator designed to operate as a sensitive element of an optical gyroscope are presented. A prototype batch of these resonators were studied experimentally. In particular, the shape of the reflecting surfaces of ring confocal resonators and their mutual orientation were measured. The problem of stable input and output of light from monoblock ring confocal resonators and the possibility of their integration into the design of an optical resonator gyroscope are also considered. © 2023 SPIE.

关键词： Optical resonators

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CoSense: Compiler Optimizations using sensor Technical Specifications 2024

CoSense: Compiler Optimizations using Sensor Technical Speci...

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33rd ACM SIGPLAN International conference on Compiler Construction (CC)

作者： Mu, Pei Mavrogeorgis, Nikolaos Vasiladiotis, Christos Tsoutsouras, Vasileios Kaparounakis, Orestis Stanley-Marbell, Phillip Barbalace, Antonio Univ Edinburgh Edinburgh Midlothian Scotland Univ Cambridge Cambridge England

ISBN: (纸本)9798400705076

Embedded systems are ubiquitous, but in order to maximize their lifetime on batteries there is a need for faster code execution - i.e., higher energy effciency, and for reduced memory usage. The large number of sensors integrated into embedded systems gives us the opportunity to exploit sensors' technical specifications, like a sensor's value range, to guide compiler optimizations for faster code execution, small binaries, etc. We design and implement such an idea in CoSense, a novel compiler (extension) based on the LLVM infrastructure, using an existing domain-specific language (DSL), Newton, to describe the bounds of and relations between physical quantities measured by sensors. CoSense utilizes previously unexploited physical information correlated to program variables to drive code optimizations. CoSense computes value ranges of variables and proceeds to overload functions, compress variable types, substitute code with constants and simplify the condition statements. We evaluated CoSense using several microbenchmarks and two real-world applications on various platforms and CPUs. For microbenchmarks, CoSense achieves 1.18x geomean speedup in execution time and 12.35% reduction on average in binary code size with 4.66% compilation time overhead on x86, and 1.23x geomean speedup in execution time and 10.95% reduction on average in binary code size with 5.67% compilation time overhead on ARM. For real-world applications, CoSense achieves 1.70x and 1.50x speedup in execution time, 12.96% and 0.60% binary code reduction, 9.69% and 30.43% lower energy consumption, with a 26.58% and 24.01% compilation time overhead, respectively.

关键词： embedded systems sensors interval arithmetic value interval propagation compiler optimizations

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PVDF Ultrasound Array Design for Ionoacoustic Tomography of Particle Beams in Hadron Therapy 19

PVDF Ultrasound Array Design for Ionoacoustic Tomography of ...

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19th conference on Ph.D Research in Microelectronics and Electronics (PRIME)

作者： Baig, Mirza Hassan Chirico, Giuseppe De Matteis, Marcello Vallicelli, Elia A. Natl Inst Nucl Phys Sect Milano Bicocca Piazza Sci 3 I-20126 Milan Italy Univ Milano Bicocca Dept Phys Piazza Sci 3 I-20126 Milan Italy

ISBN: (纸本)9798350386301;9798350386318

This work presents the design and experimental validation of a prototype PVDF-based ultrasound piezoelectric sensor dedicated to ionoacoustic imaging of dose deposition in hadron therapy. The sensor sensitivity, frequency response and directivity have been designed through both analytical and finite-elements- model simulations. A three 3x30mm channel prototype sensor with 1 MHz bandwidth has been manufactured and characterized through electrical and acoustic testbenches.

关键词： Circuits and systems for Biomedical applications Radiation Therapy Ultrasound sensors

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Innovating Smart Buildings and Cities Through Agent-Based Modeling, Discrete Event Simulation and sensor-Based Data Analytics 12

Innovating Smart Buildings and Cities Through Agent-Based Mo...

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12th IEEE International conference on Intelligent Data Acquisition and advanced Computing systems: Technology and applications, IDAACS 2023

作者： Lopinski, Juliane Sachweh, Sabine Muller, Claudia IDiAL Institute University of Applied Sciences and Arts Dortmund Dortmund Germany University Siegen Siegen Germany

ISBN: (纸本)9798350358056

The paper emphasizes the significance of sensor-based data analytics (SBDA) for modeling and simulation in a smart city, using the methods discrete event simulation (DES) and agent-based modeling (ABM). Moreover, the project reviewing paper presents several selected project examples, such as CitySim, AIRE, Smart Grid, and the Gotland project that demonstrate the potential of SBDA in smart buildings and urban systems and analyse possible advantages of the application of the SBDA method. Furthermore, the result table demonstrates the possibilities of using SBDA in ABM and DES in other sectors, thus obtaining accurate results in a modeling system in the future. These findings have significant implications for policymakers, urban planners, and stakeholders in smart city development who seek to enhance the quality of life for urban citizens. The paper contributes to a better understanding of advantages of using sensor-based data analysis in ABM and DES and the method's potential benefit for other sectors. It provides a basis for analysis on some methodologies in the field of smart cities and buildings. It is intended to serve as an overview for future researchers and to contribute to the understanding of general concepts of research institutions. © 2023 IEEE.

关键词： efficiency modelling simulation smart city systems

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Modular turn-key system for testing the spectral response of detectors and cameras in the VIS/NIR and MID/FAR IR 20

Modular turn-key system for testing the spectral response of...

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conference on Electro-Optical and Infrared systems - Technology and applications xx

作者： Cabib, Dario Elkabets, Moshe CI Syst Israel Ltd Ramat Gavriel Ind Pk IL-2310101 Migdal Haemeq Israel

ISBN: (数字)9781510667044

ISBN: (纸本)9781510667037

CI has developed a modular optical system, which provides the sensor stimulus to obtain the required quantitative spectral response of single detectors, detector array engines and camera systems with small to large aperture optics. The system includes interchangeable sources, Circular Variable Filter scanning monochromator (CVF) and collimating and focusing optics to project monochromatic radiation (in focused or collimated configuration, according to need) towards the sensor. When spatial patterns are also used on the focal plane, the Unit Under Test (UUT) is fully characterized in both spectral and spatial domains.

关键词： Spectral response Cameras Imaging systems Mirrors Optical filters Detector arrays Collimators Infrared radiation Spatial resolution

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Deep Learning-Based Strategies for Integrated Autonomous Navigation: A Review

Deep Learning-Based Strategies for Integrated Autonomous Nav...

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2024 International Telecommunications conference, ITC-Egypt 2024

作者： Fekry, Alaa Kamel, Ahmed M. Elhalwagy, Yehia Abosekeen, Ashraf Military Technical College Department of Electrical and Computer Engineering Cairo Egypt October University for Modern Sciences and Arts Department of Mechatronics Systems Engineering Giza Egypt

ISBN: (纸本)9798350351408

Multi-sensor integrated navigation/positioning systems (MSINPS) play a crucial role in achieving precise positioning and navigation in challenging environments. By combining data from various sensors such as Global Navigation Satellite System (GNSS), Inertial Measurement Units (IMUs), cameras, and Light Detection and Ranging (LiDar), MSINPS enhance accuracy and robustness, ensuring uninterrupted operation even in the event of sensor malfunction. This paper explores autonomous vehicle guidance for safe and efficient navigation, focusing on two paths of data fusion: sensor-based fusion and learning-based fusion. The effectiveness of MSINPS hinges on meticulous sensor selection and optimization to meet the requirements of autonomous navigation applications. Addressing noise, biases, and inconsistencies through data pre-processing is essential for robust data fusion. advanced fusion algorithms leveraging machine learning and deep learning techniques exhibit superior accuracy and adaptability. Furthermore, integrating MSINPS with artificial intelligence (AI) opens new avenues for navigation and positioning enhancement. This integration can lead to improvements in sensor technology and solution outcomes. Striking a balance between computational complexity and available resources promotes efficient operation while implementing fault tolerance strategies ensures system robustness across diverse environments. © 2024 IEEE.

关键词： Global positioning system

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Ultrastable Luminol-OH^--(Ni-WO x -CNT) ECL System with High Strength and Its applications in Sensing

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ANALYTICAL CHEMISTRY 2024年第24期96卷 9953-9960页

作者： Li, Jiangwei Yang, Jiao Zhu, Liang Liu, Yujian He, Yongcheng Li, Yingchun Harbin Inst Technol Sch Chem & Chem Engn Harbin 150001 Peoples R China Harbin Inst Technol Coll Sci Shenzhen 518055 Guangdong Peoples R China Hong Kong Polytech Univ Dept Biomed Engn Hong Kong 999077 Peoples R China Shenzhen Hengsheng Hosp Dept Nephrol Shenzhen 518102 Guangdong Peoples R China

In traditional luminol electrochemiluminescence (ECL) systems, hydrogen peroxide (H2O2) and dissolved oxygen (DO) are the commonly used coreactants to generate reactive oxygen species (ROS) for ECL emission. However, the self-decomposition of hydrogen peroxide and the limited solubility and content of oxygen in solution undoubtedly restrict the luminescence efficiency and stability of the luminol ECL system. Inspired by the ROS-mediated ECL mechanism, we pioneered hydroxide ion as an advanced luminol ECL coreactant using nickel-doped and carbon nanotube-modified tungsten oxide (Ni-WOx-CNT) as the coreactant accelerator. Owing to the excellent catalytic activity of Ni-WOx-CNT, amounts of ROS were generated from OH- at a low excitation voltage, which subsequently reacted with luminol anion radicals and triggered intense ECL signals. Experiments confirmed an impressive ECL behavior in terms of high luminescent intensity (85,563 a.u.) and super stability over 1300 consecutive tests;both are superior to those recently reported luminol-H2O2 and luminol-DO systems with smaller ECL intensities and consecutive tests less than 25 times. To validate the feasibility and versatility of the developed system in sensor, traditional three-electrodes system and closed bipolar electrodes system with various sensing strategies of direct oxidation, "gate-effect" of molecularly imprinted polymer, immune reaction, and enzyme-catalyzed reaction were proposed to monitor uric acid (UA), C-reactive protein (CRP), immunoglobulin G (IgG), and glucose (Glu). The superior sensing performances confirmed the great application potential of the developed ROS-mediated ECL system.

关键词： Carbon fiber Electrodes Free radicals sensors Stability

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Large resolution enhancement of x-ray microscopy using multipixel ghost imaging

Large resolution enhancement of x-ray microscopy using multi...

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CLEO: applications and Technology in CLEO 2024, CLEO: A and T 2024 - Part of conference on Lasers and Electro-Optics

作者： Sefi, O. Klein, Y. Yehuda, A. Ben Bloch, S. Schwartz, H. Cohen, E. Shwartz, S. Physics Department Institute of Nanotechnology and Advanced Materials Bar-Ilan University Ramat Gan52900 Israel Faculty of Engineering Institute of Nanotechnology and Advanced Materials Bar-Ilan University Ramat Gan52900 Israel

We demonstrate resolution enhancement of a standard hard x-ray imaging system from 500 µm to approximately 20 µm by extending the concept of ghost imaging to multipixel ghost imaging, enabling mega-pixel sca... 详细信息

关键词： Imaging systems

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FAR-FIELD ACOUSTIC SENSING VIA PMUT-BASED SUBHARMONIC TAGS: A BATTERY-FREE APPROACH FOR HYBRID RF-ULTRASOUND WIRELESS sensor NETWORKS 37

FAR-FIELD ACOUSTIC SENSING VIA PMUT-BASED SUBHARMONIC TAGS: ...

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37th IEEE International conference on Micro Electro Mechanical systems (MEMS)

作者： Hussein, Hussein M. E. Abdalla, Omer Mohamed Osman Simeoni, Pietro Colombo, Luca Corigliano, Alberto Rinaldi, Matteo Cassella, Cristian Northeastern Univ Dept Elect & Comp Engn Boston MA 02115 USA Politecn Milan Milan Italy Inst NanoSyst Innovat Boston MA USA

ISBN: (纸本)9798350357929

We present an innovative class of piezoelectric-micromachined - ultrasonic - transducer (pMUT)-based Ultra-High-Frequency (UHF) subharmonic tags (SubHTs) for far-field sensing. The proposed system leverages the dynamics of a 20x20 36%-doped Scandium Aluminum Nitride (ScAlN) pMUT-array operating at 550 kHz and those of time-modulated circuit components to passively sense ultrasound from long distances with electromagnetic waves. By encoding the low-frequency response of pMUT array into the amplitudes of modulated electrical signals at the output of the SubHT, our research eliminates the need for batteries in acoustic wireless-sensor-nodes (WSNs). This approach significantly enhances the capabilities of WSNs based on acoustic transducers, opening exciting new opportunities for such WSNs in a plethora of applications.

关键词： Piezoelectric-Micromachined-Ultrasonic-Transducer Wireless-sensor-Nodes Subharmonic Tags Nonlinear Dynamics Piezoelectric Resonators

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A quantitative study of the benefits of the Third-order over the Second-order Harmonic Radar 28

A quantitative study of the benefits of the Third-order over...

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conference on Radar sensor Technology xxVIII

作者： Lima, Rita J. Abad Li, Changzhi Texas Tech Univ TTU Dept Elect & Comp Engn ECE Lubbock TX 79409 USA

ISBN: (纸本)9781510674158;9781510674141

Nonlinear radar technology has been employed in various applications for a few decades, primarily focusing on second-order harmonic radar systems. This study delves into the potential benefits and drawbacks of utilizing higher-order harmonic radar systems. We present a comparative analysis between second- and third-order harmonic systems using Cadence AWR Visual System Simulator (VSS) followed by experimental validation. In the experiments, target emulation is achieved through nonlinear tags. In contrast, cluttered environments near the targets are simulated using corner reflectors, with the tag and the corner reflector moving at different frequencies facilitated by Zaber linear actuators. Our findings reveal both the advantages and limitations associated with higher-order systems, offering valuable insights into an underexplored area of research within the domain of harmonic radar technology. This contribution addresses the existing gap in the literature pertaining to higher-order harmonic radars by providing comparative analyses using both measurement and simulation data.

关键词： harmonic radars nonlinear tag clutter clutter rejection nonlinear systems RFID tag CW radars

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