Search Results - "Utkin, A.B."

Application of lidar in ultraviolet, visible and infrared ranges for early forest fire detection by Lavrov, A., Utkin, A.B., Vilar, R., Fernandes, A.

“…The efficiencies of direct lidars operating at 355, 532, 1064 and 1540-nm radiation wavelengths for early forest fire detection were compared. For each…”
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The use of laser induced chlorophyll fluorescence (LIF) as a fast and non‑destructive method to investigate water deficit in Arabidopsis by Gameiro, C., Utkin, A.B., Cartaxana, P., Silva, J. Marques da, Matos, A.R.

“…•Laser Induced Fluorescence (LIF) technology was used to assess the impacts of water deficit in Arabidopsis and compared to standard PAM protocols.•Water…”
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Detection of small forest fires by lidar by UTKIN, A. B, LAVROV, A. V, COSTA, L, SIMOES, F, VILAR, R

“…The possibility of detecting small forest fires with the help of a simple and cheap lidar operating at 0.532-*mm wavelength up to distances of about 6.5 km is…”
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Affordable Laser Imaging Instrumentation for Persistent Runway Monitoring by Utkin, A.B., da Silva, T. Rocha, Reis, P.

“…An affordable system for non-intrusive runway pavement health assessment is being developed in Portugal within the framework of the MPP - Persistent Runway…”
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Multi-objective optimisation of lidar parameters for forest-fire detection on the basis of a genetic algorithm by Cordoba, A., Vilar, R., Lavrov, A., Utkin, A.B., Fernandes, A.

“…A numerical model for the estimation of the laser pulse energy required for forest-fire detection with a predefined signal-to-noise ratio by an eyesafe lidar…”
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Generalization of Brittingham's localized solutions to the wave equation by Borisov, V.V., Utkin, A.B.

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On the relation between the wave aberration function and the phase transfer function for an incoherent imaging system with circular pupil by UTKIN, A. B, VILAR, R, SMIRNOV, A. J

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Electromagnetic waves generated by line exponentially decaying current pulses propagating in lossy media by Utkin, A.B.

“…The structure of transient electromagnetic radiation generated by line exponentially decaying current pulses propagating in lossy media is investigated…”
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Pulsed radiation produced by a travelling exponentially decaying bipolar current pulse with high-frequency filling by Utkin, A.B.

“…Electromagnetic waves accompanying high-frequency modulated current pulses, exponentially decaying with time and travelling without losses along a line segment…”
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Electromagnetic waves generated by line exponentially decaying current pulses by Utkin, A.B.

“…Electromagnetic pulses emanated by exponentially decaying currents propagating along a finite line segment with subluminal and luminal velocities are…”
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Waves produced by a travelling line current pulse with high-frequency filling by Utkin, A.B.

“…A model of the travelling-wave line source of electromagnetic waves is extended to the case of a line current pulse with high-frequency filling. No limitation…”
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Statistical Characteristics of Photon Paths and Optimization of the Tomography Algorithms for the Case of Strongly Scattering Media by Lyubimov, V.V., Murzin, A.G., Volkonsky, V.B., Utkin, A.B.

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