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Browsing by Author "Nefediev L.A."

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Control of Logical Operations with Images in the Accumulated Echo-Holography by External Spatially Inhomogeneous Electric Fields

Garnaeva G.I.; Nefediev L.A.; Nizamova E.I. (2021)

Тhe realization of logical operations for images using an accumulated echo hologram in the presence of external spatially inhomogeneous electric fields is considered. It is shown that the photon echo locking effect allows ...
Controlling logical operations with images in accumulated echo holography using the effects of information locking and erasing

Garnaeva G.I.; Nefediev L.A.; Nizamova E.I. (2021)

The possibility of implementing logical operations with images using the accumulated echo hologram in the presence of external spatially inhomogeneous electric fields is considered. It is shown that the photon echo locking ...
Creation of a theoretical simulation model of orbital referencing of lunar objects' optical observations taken by space lunar satellite to the selenocentric coordinate system

Andreev A.O.; Nefedyev Y.A.; Nefediev L.A.; Demina N.Y.; Bagrov A.V.; Petrova N.K.; Zagidullin A.A. (2020)

© Published under licence by IOP Publishing Ltd. This paper aims at the creation of a selenocentric catalogue of lunar objects' positions (SCLOP) and development of a theoretical simulation model of orbital referencing of ...
Development of Methods for Navigational Referencing of Circumlunar Spacecrafts to the Selenocentric Dynamic Coordinate System

Andreev A.O.; Nefedyev Y.A.; Demina N.Y.; Nefediev L.A.; Petrova N.K.; Zagidullin A.A. (2020)

© 2020, Pleiades Publishing, Ltd. Abstract: The initial form of present-day space optical observations contain considerable geometrical and brightness distortions. This problem can be solved based on geometrical correction ...
Disjunction Operation for Signals in Optical Echo Holography

Nefediev L.A.; Garnaeva G.I.; Nizamova E.I. (2020)

© 2020, Springer Science+Business Media, LLC, part of Springer Nature. We consider the implementation of the logical operation of disjunction of signals using accumulated stimulated echo holography. We study the processing ...
Logical Operations with Images in Accumulated Echo Holography

Ahmedshina E.N.; Sakhbieva A.R.; Nefediev L.A. (2020)

© 2020, Springer Science+Business Media, LLC, part of Springer Nature. We consider the realization of logical operations for images using the accumulated long-lived echo hologram. It is shown that, depending on the phase ...
The analysis of Venus' physical surface using methods of fractal geometry

Morena C.D.L.; Andreev A.O.; Nefedyev Y.A.; Akhmedshina E.N.; Nefediev L.A. (2020)

© Published under licence by IOP Publishing Ltd. In this paper, the work on investigating fractal structures on Venus was performed on the basis of observations taken by the "Magellan"spacecraft (NASA). The uncertainties ...
The difference logical operation for images in optical echo holography

Akhmedshina E.N.; Sakhbieva A.R.; Nefediev L.A.; Nefedyev Y.A.; Andreev A.O. (2020)

© Published under licence by IOP Publishing Ltd. In this paper, we consider the implementation of logical operations on images using the accumulated long-lived echo hologram. It is shown that the accumulated echo hologram ...
The Physical Surface of the Moon: A Digital Model Based on Satellite Altimetry

Andreev A.O.; Akhmedshina E.N.; Nefediev L.A.; Nefedyev Y.A.; Demina N.Y. (2021)

Abstract—: Investigations of the Solar System with space missions yielded a significant volume of data on geophysical and morphological properties of planets. On this basis, a new research area, comparative planetology, ...
The study of models of space selenophysics using multi-parameter analysis and fractal geometry

Churkin K.O.; Andreev A.O.; Nefedyev Y.A.; Nefediev L.A.; Hudec R.; Bagrov A.V.; Demina N.Y. (2020)

© Published under licence by IOP Publishing Ltd. In this work, using multi-parameter harmonic analysis and expansion of altimetry into spherical functions, models of the Moon's physical surface (digital lunar selenocentric ...
The use of multi-parameter analysis and fractal geometry for investigating the structure of the lunar surface

Andreev A.O.; Nefedyev Y.A.; Nefediev L.A.; Ahmedshina E.N.; Demina N.Y.; Zagidullin A.A. (2020)

© 2020, Kazan Federal University. All rights reserved. The problems related to the investigation of the lunar surface structure using the methods of multi-parameter analysis and fractal geometry were considered. In order ...

Now showing items 1-11 of 11

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Browsing by Author "Nefediev L.A."

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