High speed high resolution direct digital frequency synthesizer with non-linear DAC coarse quantization and ROM-based piecewise linear interpolation
Sign Up to like & getrecommendations! Published in 2017 at "Analog Integrated Circuits and Signal Processing"
DOI: 10.1007/s10470-016-0882-2
Abstract: AbstractA high speed high resolution direct digital frequency synthesizer (DDFS) architecture is presented. The proposed architecture combines the advantage of ROM-based DDFS and nonlinear DAC (NLDAC) based DDFS. The phase-to-amplitude mapping is implemented with NLDAC… read more here.
Keywords: resolution; frequency; rom; speed high ... See more keywords
High speed and high sensitivity fiber Bragg grating interrogator based on the RF phase-shift technique
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.07.004
Abstract: Abstract A high speed and high sensitivity fiber Bragg grating (FBG) interrogator based on RF phase-shift measurement is presented. Using a sinusoidal modulated source and a chromatic dispersion element, Bragg-wavelength shifts are converted directly to… read more here.
Keywords: fiber bragg; high sensitivity; bragg; speed high ... See more keywords
Development and optimization of low-speed and high-efficiency permanent magnet generator for micro hydro-electrical generation system
Sign Up to like & getrecommendations! Published in 2020 at "Renewable Energy"
DOI: 10.1016/j.renene.2019.09.049
Abstract: Abstract In this paper, a low-speed and high-efficiency permanent magnet generator (LHPM generator) for micro hydro-electrical generation system was developed, and two different low-speed generators by using silicon steel and SPCC core (Common Cold Steel… read more here.
Keywords: generator; speed high; low speed; high efficiency ... See more keywords
Photon-trapping microstructures enable high-speed high-efficiency silicon photodiodes
Sign Up to like & getrecommendations! Published in 2017 at "Nature Photonics"
DOI: 10.1038/nphoton.2017.37
Abstract: High-speed, high-efficiency photodetectors play an important role in optical communication links that are increasingly being used in data centres to handle higher volumes of data traffic and higher bandwidths, as big data and cloud computing… read more here.
Keywords: high efficiency; speed high; silicon; efficiency ... See more keywords
High-speed high-resolution data collection on a 200 keV cryo-TEM
Sign Up to like & getrecommendations! Published in 2022 at "IUCrJ"
DOI: 10.1107/s2052252522000069
Abstract: This study explores parameters for high-speed, high-resolution, single-particle data collection using a 200 keV Talos Arctica equipped with a Gatan K3 DED. Near-atomic resolution electron microscopy maps were obtained from datasets collected as fast as 720… read more here.
Keywords: high speed; data collection; 200 kev; speed high ... See more keywords
Proposing and Evaluation of SC Techniques for Variable Speed High-Power Operation of SEIG
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.2968976
Abstract: This work presents a novel methodology for variable speed high power Transfer Capability of a self-excited induction generator (SEIG). The proposed methodology is based on the selection of a suitable firing angle of Fixed Capacitor-Thyristor… read more here.
Keywords: speed; high power; methodology; variable speed ... See more keywords
High-Power Shape Memory Alloy Catapult Actuator for High-Speed and High-Force Applications
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3202210
Abstract: Nickel-Titanium (NiTi) based shape memory alloy (SMA) wires are already often used in industrial actuator applications. Their high energy density allows the building of light-weight actuator systems with high forces using small installation spaces. Combined… read more here.
Keywords: speed; power; speed high; actuator ... See more keywords
High-Speed and High-Resolution Interrogation of a Silicon Photonic Microdisk Sensor Based on Microwave Photonic Filtering
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2018.2843724
Abstract: High-speed and high-resolution interrogation of a silicon photonic microdisk sensor based on microwave photonic filtering and advanced signal processing is proposed and experimentally demonstrated. An integrated microdisk resonator (MDR) with a high Q factor is… read more here.
Keywords: resolution; microwave waveform; interrogation; speed high ... See more keywords
Snapping for high-speed and high-efficient butterfly stroke–like soft swimmer
Sign Up to like & getrecommendations! Published in 2022 at "Science Advances"
DOI: 10.1126/sciadv.add3788
Abstract: Natural selection has tuned many flying and swimming animals to share the same narrow design space for high power efficiency, e.g., their dimensionless Strouhal numbers St that relate flapping frequency and amplitude and forward speed… read more here.
Keywords: speed; high efficient; butterfly stroke; speed high ... See more keywords