Results 41 to 50 of about 33,517,134 (252)
Science Robotics, 2019 The Tunabot, a tuna-like experimental robotic platform, provides insights into the dynamics of high-performance aquatic locomotion. Tuna and related scombrid fishes are high-performance swimmers that often operate at high frequencies, especially during ...
Jizhong Zhu +5 more
semanticscholar +1 more source
Remote SensingThe use of near-Earth space has grown dramatically during the last decades, resulting in thousands of active and inactive satellites and a huge amount of space debris.
Jens Klare +11 more
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Biosensors, 2022 Due to the occurrence of THz-excited vibrational modes in biomacromolecules, the THz frequency range has been identified as particularly suitable for developing and applying new bioanalytical methods.
Christian Weisenstein +4 more
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A circular switched parasitic array with directors for LoRa applications at 868 MHz
Electronics LettersThe integration of directive elements into a circular switched parasitic array at 868 MHz is presented. The typical usage of reflective parasitic monopoles is supplemented with additional, shorter monopole elements which are positioned closer to the ...
Lukas Reinhold +2 more
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GaAs PHEMT PERFORMANCE INCREASE USING DELTA-DOPING IN THE FORM OF NANOWIRES OF TIN ATOMS
Российский технологический журнал, 2017 The PHEMT epitaxial structures with a doping profile in the form of tin nanowires were fabricated using vicinal GaAs substrate disoriented by 0.3° in relation to accurate orientation (100). Investigation of electron transport properties of the structures
A. E. Yachmenev +2 more
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IEEE Journal of Microwaves, 2021 The unique properties of microwaves make them useful in many diverse applications across a wide range of fields, spanning much of engineering and science. In the chemical sciences, microwaves provide a toolkit of electric and magnetic effects with which,
Daniel R. Slocombe, Adrian Porch
doaj +1 more source
High-frequency rectification via chiral Bloch electrons [PDF]
Science Advances, 2018 Engineering quantum crystals realizes high-frequency rectifiers by rational material design. Rectification is a process that converts electromagnetic fields into a direct current.
H. Isobe, Su-Yang Xu, L. Fu
semanticscholar +1 more source
Extended high-frequency hearing enhances speech perception in noise
Proceedings of the National Academy of Sciences of the United States of America, 2019 Significance Understanding speech in noisy environments is an essential communication skill that varies widely between individuals and is poorly understood.
L. Motlagh Zadeh +5 more
semanticscholar +1 more source
High‐Frequency Trading around Large Institutional Orders
Journal of Finance, 2019 Liquidity suppliers lean against the wind. We analyze whether high-frequency traders (HFTs) lean against large institutional orders that execute through a series of child orders.
V. V. Kervel, A. Menkveld
semanticscholar +1 more source
IET Radar, Sonar & NavigationRecently, several constellations of broadband low‐Earth orbit communication satellites, such as Starlink or OneWeb, have started to be deployed to provide global internet access.
Rodrigo Blázquez‐García +5 more
doaj +1 more source