Results 1 to 10 of about 2,916,774 (300)
Sensors, 2022 Recently, wideband microwave spectroscopy (WBMS) has been applied for material characterization. Blood glucose sensing through microwave spectroscopy is usually done with resonant frequency-domain methods.
Samira Saeedi +2 more
doaj +1 more source
Matrix Pencil Method for Vital Sign Detection from Signals Acquired by Microwave Sensors
Sensors, 2021 Microwave sensors have recently been introduced as high-temporal resolution sensors, which could be used in the contactless monitoring of artery pulsation and breathing. However, accurate and efficient signal processing methods are still required.
Somayyeh Chamaani +3 more
doaj +1 more source
The Astrophysical Journal, 2023 The conditions under which accreting neutron stars launch radio-emitting jets and/or outflows are still poorly understood. The ultracompact X-ray binary X1850–087, located in the globular cluster NGC 6712, is a persistent atoll-type X-ray source that has
Teresa Panurach +8 more
doaj +1 more source
MODELLING AND ANALYSIS OF FUEL ASSEMBLY VIBRATIONAL MODES IN PWRS USING SIMULATE-3K [PDF]
EPJ Web of Conferences, 2021 Some of the KWU pre-KONVOI PWRs operating across Europe saw a systematic increase in the neutron noise levels over several cycles in the last decade, and subsequently, core internals’ movements, especially vibrations of fuel assemblies with specific ...
Verma V. +3 more
doaj +1 more source
Optomechanical time-domain reflectometry [PDF]
Nature Communications, 2018 AbstractOptical fibres constitute an exceptional sensing platform. However, standard fibres present an inherent sensing challenge: they confine light to an inner core. Consequently, distributed fibre sensors are restricted to the measurement of conditions that prevail within the core. This work presents distributed analysis of media outside unmodified,
Bashan, Gil +4 more
openaire +4 more sources
Seismic Antiplane Response of Gaussian-Shaped Alluvial Valley [PDF]
مهندسی عمران شریف, 2021 In this study, a direct time-domain numerical approach named the half-plane Boundary Element Method (BEM) is proposed based on the half-space Green’s functions for analyzing seismic Gaussian-shaped alluvial valley subjected to propagating obliquely ...
M. Panji, S. Mojtabazadeh-Hasanlouei
doaj +1 more source
Is the M81 Fast Radio Burst Host Globular Cluster Special?
The Astrophysical Journal Letters, 2023 We use multiband archival Hubble Space Telescope (HST) observations to measure the photometric and structural parameters of the M81 globular cluster (GC) that hosts the fast radio burst FRB 20200120E. Our best-fitting King model has an effective radius r
Kristen C. Dage +7 more
doaj +1 more source
Evidence for Multiple Shocks from the γ-Ray Emission of RS Ophiuchi
The Astrophysical Journal, 2023 In 2021 August, the Fermi Large Area Telescope, H.E.S.S., and MAGIC detected GeV and TeV γ -ray emission from an outburst of recurrent nova RS Ophiuchi. This detection represents the first very high-energy γ -rays observed from a nova, and it opens a new
Rebecca Diesing +6 more
doaj +1 more source
Time-Domain Circuit Modelling for Hybrid Supercapacitors
Energies, 2021 Classic circuit modeling for supercapacitors is limited in representing the strongly non-linear behavior of the hybrid supercapacitor technology. In this work, two novel modeling techniques suitable to represent the time-domain electrical behavior of a ...
Fabio Corti +6 more
doaj +1 more source
IEEE Access, 2021 A new time-domain technique for an accurate and fast measurement of the resonant frequency and $Q$ -factor of resonators is presented. In this technique, the phase slope with respect to frequency of a resonator is characterized and used to specify its $
Fatemeh Akbar +3 more
doaj +1 more source