Results 11 to 20 of about 513,874 (269)
Orbital dynamics and characterization of space debris via optical observations [PDF]
Studying the long-term dynamical evolution of space debris and the development of optical measurements help us to avoid collision risks caused by these objects.
Hager GHONIEM +4 more
doaj +1 more source
Cough Aerosol Cloud Parameters [PDF]
This work is a further development of the authors' COVID-19 pandemic consequences research. The dynamics of the cough aerosol cloud was studied. An experimental setup for fixing spatial and temporal distributions of aerosol cloud velocities was used ...
Gavrilin Sergey N. +3 more
doaj +1 more source
Evaluation of MEMS NIR Spectrometers for On-Farm Analysis of Raw Milk Composition
Today, measurement of raw milk quality and composition relies on Fourier transform infrared spectroscopy to monitor and improve dairy production and cow health.
Sanna Uusitalo +9 more
doaj +1 more source
Algorithms for Real-Valued Noisy Damped Sinusoid Parameter Estimation
In this article, an improved version of three state-of-the-art interpolated discrete-time Fourier transform (IpDTFT) algorithms for the estimation of the frequency and the damping factor of noisy damped sinusoids is proposed. Sinusoid amplitude and phase
Daniel Belega, Dario Petri
doaj +1 more source
The Measurement of Nanoparticle Concentrations by the Method of Microcavity Mode Broadening Rate
A measurement system for the detection of a low concentration of nanoparticles based on optical microcavities with whispering-gallery modes (WGMs) is developed and investigated.
Alexey Ivanov +3 more
doaj +1 more source
Identification of cladding modes in SMF-28 fibers with TFBG structures [PDF]
This article proposes an unequivocal method of labeling and numbering the cladding modes propagating in single-mode opticalwaveguides with tilted periodic structures.
Piotr Kisała +3 more
doaj +1 more source
This paper presents information on the development and certification of reference materials (CRM) for the composition of aqueous aluminium, indium, magnesium, nickel, and titanium solutions.CRMs are represented by aqueous solutions containing aluminium ...
I. I. Ermakova +3 more
doaj +1 more source
A biosensor based on the analyte-induced aggregation of functionalized nanoparticles recorded using two optical signals of different physical nature is developed. The hydrodynamic diameter of the conjugates, measured by the dynamic light scattering (DLS)
M.K. Alenichev +8 more
doaj +1 more source
Size Dependence of the Resonant Third-Order Nonlinear Refraction of Colloidal PbS Quantum Dots
Due to their high resonant third-order nonlinear response, lead sulfide quantum dots (QDs) are potential materials for applications in the field of nonlinear optics.
Ivan D. Skurlov +7 more
doaj +1 more source
Optical von Neumann measurement [PDF]
One latex figure. Accepted on Phys.
GM D'Ariano, MF Sacchi
openaire +4 more sources

