Ultra-Low Frequency Eccentric Pendulum-Based Electromagnetic Vibrational Energy Harvester [PDF]
Micromachines, 2020 With the development of low-power technology in electronic devices, the wireless sensor network shows great potential in applications in health tracing and ocean monitoring.
Mingxue Li +5 more
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Frozen sound: An ultra-low frequency and ultra-broadband non-reciprocal acoustic absorber [PDF]
Nature Communications, 2023 The absorption of airborne sound is still a subject of active research, and even more since the emergence of acoustic metamaterials. Although being subwavelength, the screen barriers developed so far cannot absorb more than 50% of an incident wave at ...
Anis Maddi +5 more
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Investigation of a Novel Ultra-Low-Frequency Rotational Energy Harvester Based on a Double-Frequency Up-Conversion Mechanism [PDF]
Micromachines, 2023 Due to their lack of pollution and long replacement cycles, piezoelectric energy harvesters have gained increasing attention as emerging power generation devices. However, achieving effective energy harvesting in ultra-low-frequency (
Ning Li +4 more
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Measurement of Ultra-Low Frequency Vibrations Using an Atom Interferometer [PDF]
SensorsMeasuring low-frequency and ultra-low-frequency vibration signals is of critical importance in fields such as structural mechanics, geological exploration, aerospace, precision machining, and biomedicine.
Zenghan Ma +9 more
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An ultra low frequency spike timing dependent plasticity based approach for reducing alcohol drinking [PDF]
Scientific ReportsAlcohol use disorder (AUD) is a chronic relapsing brain disorder characterized by an impaired ability to stop or control alcohol consumption despite adverse social, occupational, or health consequences.
Anders J. Asp +5 more
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Ultra-Low Frequency Transmitted Ultrasound Breast Imaging vs DBT (Digital Breast Tomosynthesis): A Patient-Reported Outcome Study [PDF]
Patient Related Outcome MeasuresElaine Iuanow,1 Emily A Pickup,2 Bilal Malik,1 Julie Doehrmann,2 Fernando A Huyke,3 Rachel Ducker,1 John Klock1 1QT Imaging Inc, Novato, CA, USA; 2CODE Technology, Minneapolis, MN, USA; 3TRIA Orthopedics, Minneapolis, MN, USACorrespondence: Elaine Iuanow,
Iuanow E +6 more
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Progress in the realisation of ultra- low frequency vibration calibrations
Measurement: Sensors, 2021 The demand from industry to produce high credibility measurement data down to ever lower frequencies with ever lower noise is increasing. Recently also a demand to support the operation of global networks for environmental monitoring and research in ...
Jacob Holm Winther
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Study on stability margin of ultra-low frequency oscillation in hydropower system
Energy Reports, 2023 In recent years, the ultra-low frequency oscillation of power system caused by hydropower units has occurred frequently. It is very important to study the ultra-low frequency oscillation characteristics of hydropower stations for the stable operation of ...
Fan Tang +8 more
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AC amplifiers with ultra‐low corner frequency by using bootstrapping
Electronics Letters, 2021 A novel architecture for an AC (i.e. high‐pass) amplifier is proposed allowing a drastic reduction of the cutoff frequency to the sub‐Hertz range. It builds upon the classic AC configuration with a high gain amplifier and a parallel RC circuit in the ...
Maite Martincorena‐Arraiza +3 more
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Ultra Low Frequency Wave Produced by Underwater Oscillating Sphere and Its Measurement
Journal of Marine Science and Engineering, 2021 When an underwater target moves in viscous fluid, it may cause the periodic movement of the surrounding fluid and generate ultra-low-frequency (ULF) gravity waves.
Huan Wang +4 more
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