Results 241 to 250 of about 1,191,176 (295)

Quantum refrigeration powered by noise in a superconducting circuit. [PDF]

Nat Commun
Sundelin S, Aamir MA, Kulkarni VM, Castillo-Moreno C, Gasparinetti S.   +4 more
europepmc   +1 more source

MATLAB-simulated dataset for automatic modulation classification in wireless fading channels. [PDF]

Data Brief
Shafi MMS, Ahona TS, Mridha AI.
europepmc   +1 more source

Solvatochromic Polarity, Physicochemical Properties, and Spectral Analysis of New Triple NADES-Based on Urea-Glycerol. [PDF]

Molecules
Ahmed S, Bojilov D, Exner G, Dagnon S, Manolov S, Ivanov I.   +5 more
europepmc   +1 more source

Adaptive Hoyer-L-Moment Envelope Spectrum: A Method for Robust Demodulation of Ship-Radiated Noise in Low-SNR Environments. [PDF]

Sensors (Basel)
Zhang R, Wang Q, Du S.
europepmc   +1 more source

Effect of simulated microgravity via head-down tilt on intracranial compliance, brain oscillations and cardiovascular autonomic modulation. [PDF]

Sci Rep
Mendes Zambetta R, De Favari Signini É, Catai AM, Benelli A, Angius L, Dos Santos TCR, Michaliski ES, de Oliveira LB, Ocamoto GN, Santarnecchi E, Frigieri G, Russo TL.   +11 more
europepmc   +1 more source

Measurement of Form and Position Error of Small-Diameter Deep Holes Based on Collaboration Between a Lateral Confocal Displacement Sensor and Helical Scanning. [PDF]

Sensors (Basel)
Liu Y, Yu D, Du H, Chen T.
europepmc   +1 more source

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DIGITAL PYROMETER OF SPECTRAL RATIO

Kontrol'. Diagnostika, 2022
The article provides a comparative analysis of the main optoelectronic pyrometers: radiation and spectral ratio. The main error of optoelectronic pyrometers is a methodological component, which is due to the inconstancy of the radiation coefficient of the surface of the material of the product, which depends on the material, the state of the surface of
A. N. Shilin, B. V. Mac, I. A. Koptelova
openaire   +1 more source

Response spectral ratios

Earthquake Engineering & Structural Dynamics, 1992
AbstractAt many sites on soft ground, spectral ratios (ratios of smoothed Fourier amplitude spectral ordinates at the site to those at a station on firm ground) for distant earthquakes are little sensitive to focal mechanism and coordinates and to magnitude.
Emilio Rosenblueth, Alejandra Arciniega
openaire   +1 more source

Spectral K-Ratio Spectrophotometry

Spectroscopy Letters, 1992
Abstract A method called “Spectral K-ratio spectrophotometry” was proposed. The method takes the K-coefficient dual-wavelength spectrophotometric method as the mathematical model in order to resolve the different nth-derivative spectral data at one wavelength to determine certain two components systems that their zeroth- (absorption) and nth-derivative
Liu Guomin, Song Gengxin, Zhou Xiaodong
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SPECTRAL RATIO DISCRIMINANTS AND INFORMATION THEORY

Journal of Time Series Analysis, 1981
Abstract.We examine the problem of discriminating in the frequency domain between zero mean stationary Gaussian processes. Use of the Kullback‐Liebler information measure enables the selection of the important frequency bands, and a special case relevant to seismic records leads to a justification for the use of spectral ratios in discrimination ...
Dargahi-Noubary, G. R., Laycock, P. J.
openaire   +2 more sources