Results 21 to 30 of about 97,587 (315)
Multi-timescale reverberation mapping of Mrk 335 [PDF]
Monthly notices of the Royal Astronomical Society, 2020 Time lags due to X-ray reverberation have been detected in several Seyfert galaxies. The different traveltime between reflected and directly observed rays naturally causes this type of lag, which depends directly on the light-crossing time-scale of the
G. Mastroserio +2 more
semanticscholar +1 more source
Research on reverberation characteristics analysis and suppression methods for active continuous detection [PDF]
MATEC Web of Conferences, 2019 Compared with the traditional active detection with monopulse periodic emission mode, active continuous detection has the advantages of large emission duty ratio and continuous acquisition of process information.
Chen Tuo, Ma Qiming, Zhou Zheyuan, Lu He
doaj +1 more source
Simulation of sonar reverberation signal considering the ocean multipath and Doppler effect
Frontiers in Marine Science, 2023 In order to achieve accurate modeling and simulation of sonar reverberation signals, four types of multi-path underwater reverberation models are established considering Doppler effect under the condition of separating the sound source and hydrophone ...
Sen Zhang, Jian Wu, Jian Wu, Tianqi Yin
doaj +1 more source
Mokslas: Lietuvos Ateitis, 2021 Methods based on artificial neural networks (ANN) are widely used in various audio signal processing tasks. This provides opportunities to optimize processes and save resources required for calculations.
Mantas Tamulionis
doaj +1 more source
The First Swift Intensive AGN Accretion Disk Reverberation Mapping Survey [PDF]
Astrophysical Journal, 2018 Swift intensive accretion disk reverberation mapping of four AGN yielded light curves sampled ∼200–350 times in 0.3–10 keV X-ray and six UV/optical bands.
R. Edelson +38 more
semanticscholar +1 more source
The Sloan Digital Sky Survey Reverberation Mapping Project: Sample Characterization [PDF]
Astrophysical Journal Supplement Series, 2018 We present a detailed characterization of the 849 broad-line quasars from the Sloan Digital Sky Survey Reverberation Mapping (SDSS-RM) project. Our quasar sample covers a redshift range of 0.1 < z < 4.5 and is flux-limited to iPSF < 21.7 without any ...
Yue Shen +26 more
semanticscholar +1 more source
IEEE Access, 2020 In this study, we propose a reverberation suppression algorithm for linear frequency-modulated (LFM) pulse sonar systems using a non-negative matrix factorization (NMF) method.
Geunhwan Kim, Kyunkyung Lee, Seokjin Lee
doaj +1 more source
Effects of reverberation on speech intelligibility in noise for hearing-impaired listeners
Royal Society Open Science, 2022 Reverberation can have a strong detrimental effect on speech intelligibility in noise. Two main monaural effects were studied here: the temporal smearing of the target speech, which makes the speech less understandable, and the temporal smearing of the ...
Raphael Cueille +2 more
doaj +1 more source
Radiated Immunity Testing of a Device with an External Wire: Repeatibility of Reverberation Chamber Results and Correlation with Anechoic Chamber Results [PDF]
, 2003 We present the experimental radiated immunity results of an electronic device with an external wire obtained in reverberation and anechoic chambers. Repeatability and reproducibility of reverberation chamber measurements are investigated by repeating the
Berat, V. +3 more
core +1 more source
Reverberation Measurements of the Inner Radii of the Dust Tori in Quasars [PDF]
Astrophysical Journal, 2019 We present the results of a dust-reverberation survey of quasars at redshifts z < 0.6. We found a delayed response of the K-band flux variation after the optical flux variation in 25 out of 31 targets, and obtained the lag time between them for 22 ...
T. Minezaki +10 more
semanticscholar +1 more source