Full-field Ultrahigh-speed Quantification of Dynamic Shear Ruptures Using Digital Image Correlation
Sign Up to like & getrecommendations! Published in 2019 at "Experimental Mechanics"
DOI: 10.1007/s11340-019-00501-7
Abstract: Producing dynamic ruptures in the laboratory allows us to study fundamental characteristics of interface dynamics. Our laboratory earthquake experimental setup has been successfully used to reproduce a number of dynamic rupture phenomena, including supershear transition,… read more here.
Keywords: full field; field; ultrahigh speed; shear ruptures ... See more keywords
Air Conditioning Cycle Simulations Using a Ultrahigh-Speed Centrifugal Compressor for Electric Vehicle Applications
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Refrigeration"
DOI: 10.1016/j.ijrefrig.2021.07.030
Abstract: Abstract Electric vehicles (EVs) are an increasingly popular option to decrease global greenhouse emissions in the transportation sector. The largest limiting factor is their range, significantly decreased by the cooling load required. In conjunction with… read more here.
Keywords: speed; centrifugal compressor; air conditioning; ultrahigh speed ... See more keywords
Domain-wall motion at an ultrahigh speed driven by spin-orbit torque in synthetic antiferromagnets.
Sign Up to like & getrecommendations! Published in 2018 at "Nanotechnology"
DOI: 10.1088/1361-6528/aaaf35
Abstract: In this article, we present our numerical investigation about the spin-orbit-torque induced domain-wall (DW) motion in a synthetic antiferromagnetic multilayer nanotrack. This nanotrack was composed by two ferromagnetic (FM) layers with a RKKY inter-layer antiferromagnetic… read more here.
Keywords: wall motion; orbit torque; domain wall; spin orbit ... See more keywords
Implementation of Ultrahigh-Speed Decimators
Sign Up to like & getrecommendations! Published in 2020 at "Canadian Journal of Electrical and Computer Engineering"
DOI: 10.1109/cjece.2020.2992010
Abstract: Traditionally, the data rate of a digital signal processing system is bound by the processing speed. In this article, a formal approach for overcoming this limitation and allowing high-data-rate applications to run on relatively slow… read more here.
Keywords: speed; system; ultrahigh speed; approach ... See more keywords
300-GHz Balanced Varactor Doubler in Silicon CMOS for Ultrahigh-Speed Wireless Communications
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2018.2811249
Abstract: This letter presents a 300-GHz varactor doubler suitable for ultrahigh-speed wireless communications. The doubler employs balance configuration to enhance the second harmonic efficiently. The proposed varactor doubler realized in TSMC 40-nm CMOS can be integrated… read more here.
Keywords: 300 ghz; doubler; varactor doubler; ultrahigh speed ... See more keywords
Ultrahigh-Speed Mid-Infrared Photodetectors With 2-D Electron Gas in a CdTe/PbTe Heterojunction
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Electron Devices"
DOI: 10.1109/ted.2020.2989417
Abstract: A CdTe/PbTe heterojunction (HJ) yields two-dimensional electron gas (2DEG) with a high electron density and mobility. Ultrahigh-speed and room-temperature operating mid-infrared photodetectors are developed with the 2DEG. The photoresponse of the detectors originates from the… read more here.
Keywords: cdte pbte; ultrahigh speed; mid infrared; pbte heterojunction ... See more keywords
Loss Calculation, Analysis, and Separation Method of 550 000 r/min Ultrahigh-Speed Permanent Magnet Motor
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3177816
Abstract: Loss characteristics and loss separation methods of ultrahigh-speed permanent magnet motors (UHSPMSM) are comprehensively studied in this article. In view of the influence of stator structure, material, winding type, control method, and fluid dynamics, the… read more here.
Keywords: speed permanent; ultrahigh speed; loss; motor ... See more keywords
Performance Evaluation and Comparison of Three-Phase and Six-Phase Winding in Ultrahigh-Speed Machine for High-Power Application
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3187587
Abstract: This article investigates the influence of multiphase winding topologies in high-power ultrahigh-speed machines (HP-UHSM) of 500 kr/min. At this speed level, increasing the rotor's magnetic loading excites its critical bending resonances and leads to structural… read more here.
Keywords: three phase; ultrahigh speed; power; high power ... See more keywords
Short-Time Velocity Identification and Coherent-Like Detection of Ultrahigh Speed Targets
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Signal Processing"
DOI: 10.1109/tsp.2018.2862407
Abstract: Finding a balance between observation duration and detection rates is the ultimate goal of the detection of ultrahigh speed targets. However, short observation durations, both across range unit, and Doppler frequency migration, may severely limit… read more here.
Keywords: detection; detection ultrahigh; time; speed targets ... See more keywords
High-resolution (diffraction limit) single-shot ptychography for ultrahigh-speed microscopy
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Thrombosis and Haemostasis"
DOI: 10.1364/3d.2018.jth3a.4
Abstract: We propose a module that upgrades a conventional single-shot microscope into a single-shot ptychographic microscope, without spoiling its optical performances. This approach paves the way to single-frame or ultrahigh-speed, high-resolution microscopes of complex-valued objects. read more here.
Keywords: single shot; ultrahigh speed; high resolution; microscopy ... See more keywords
Ptychographic ultrahigh-speed imaging.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.010997
Abstract: We propose and demonstrate numerically a simple method for ultrahigh-speed imaging of complex (amplitude and phase) samples. Our method exploits redundancy in single-shot ptychography (SSP) for reconstruction of multiple frames from a single camera snapshot.… read more here.
Keywords: ptychographic ultrahigh; speed imaging; ultrahigh speed;