Results 31 to 40 of about 6,980,177 (302)
Viruses, 2023 SARS-CoV-2 lineages and variants of concern (VOC) have gained more efficient transmission and immune evasion properties with time. We describe the circulation of VOCs in South Africa and the potential role of low-frequency lineages on the emergence of ...
Kathleen Subramoney +13 more
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Analysis of Extremely Low Frequency (ELF) Magnetic Field Effect to Oyster Mushroom Productivity [PDF]
, 2017 Extremely Low Frequency magnetic field has frequency 0-300 Hz and included on non-ionizing radiation. The side effect of ELF magnetic field researched by many researcher on some sectors, such as on food sector and agriculture sector.
Ardiani, T. (Tania) +5 more
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Research on Low Frequency Coupled Brake-induced Vibration of Telescopic Landing Gear with Two Wheels
Hangkong gongcheng jinzhan, 2022 Currently,the research on the low frequency vibration coupled with brake problem of landing gear is focused on longitudinal single-degree-of-freedom coupling vibration.By establishing the multi-body dynamics model of multi-degree-of-freedom low-frequency
CHEN Shuai +4 more
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Low-Frequency Noise Phenomena in Switched MOSFETs [PDF]
, 2007 In small-area MOSFETs widely used in analog and RF circuit design, low-frequency (LF) noise behavior is increasingly dominated by single-electron effects.
Hoekstra, Eric +7 more
core +3 more sources
Frontiers in Human Neuroscience, 2018 Background: Dorsolateral prefrontal cortex (DLPFC) low frequency repetitive transcranial magnetic stimulation (LF-rTMS) has shown promise as a treatment and investigative tool in the medical and research communities.
Nathaniel R. Bridges +11 more
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ETRI Journal, 2020 This study presents a new architecture for a field programmable analog array (FPAA) for use in low‐frequency applications, and a generalized circuit realization method for the implementation of nth‐order elliptic filters. The proposed designs of both the
Maha S. Diab, Soliman A. Mahmoud
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A Compact Wideband Dual-Polarized Base Station Antenna Using Asymmetric Dipole
IEEE Open Journal of Antennas and Propagation, 2022 A compact wideband dual-polarized antenna for base station application is proposed. The antenna element consists of a main radiator, two baluns, and a reflector. Two methods are used to enhance bandwidth and improve the port-to-port isolation.
Hai Lin +4 more
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Extremely low-frequency spectroscopy in low-field nuclear magnetic resonance
, 2009 We demonstrate a new phenomenon in nuclear magnetic resonance spectroscopy, in which nuclear spin transitions are induced by radio frequency irradiation at extremely low frequencies (of the order of a few Hz).
Carravetta, Marina +2 more
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Short-Term Interval Forecasting of Photovoltaic Power Based on CEEMDAN-GSA-LSTM and SVR
Shanghai Jiaotong Daxue xuebaoAimed at the intermittency and fluctuation of photovoltaic output power, a short-term interval prediction model of photovoltaic power is proposed. First, the model uses the complete ensemble empirical mode decomposition of adaptive noise (CEEMDAN) to ...
LI Fen, SUN Ling, WANG Yawei, QU Aifang, MEI Nian, ZHAO Jinbin
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A MEMS EVEH-Assisted Long-Range RFID Tag System for Applications with Low-Frequency Vibrations
Proceedings, 2017 We report an energy-autonomous Radio Frequency IDentification (RFID) tag system which is powered by an electrostatic MEMS-based Vibration Energy Harvester (e-VEH). The VEH is designed specifically for the vibrations of low frequency around 10 Hz.
Yingxian Lu +4 more
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