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Browsing by Author "Demina N.Y."

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Analysis of modern observations of meteor showers based on PTM methods

Sharafutdinova A.A.; Andreev A.O.; Nefedyev Y.A.; Hudec R.; Demina N.Y. (2021)

The work is focused on the analysis of modern observations of meteoroids included in the data bank formed by both professional researchers and amateur astronomers. Based on the modern physical theory of meteoroids (PTM), ...
Analysis of Photoelectric Occultations and Development of a Digital Model of the Lunar Libration Zone

Churkin K.O.; Nefedyev Y.A.; Andreev A.O.; Demina N.Y.; Kronrod E.V. (2021)

Abstract: One of the priority tasks of modern astronomy is the observation and study of transient celestial processes, which also concerns photoelectric observations of lunar occultations of stars. These measurements provide ...
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 ...
Meteorite hazard model for a space mission to Mars

Demina N.Y.; Andreev A.O.; Nefedyev Y.A. (2021)

Currently, for the world's space agencies, the robotic exploration of Mars is one of the most important tasks. One of the necessary stages for the implementation of this mission is the development and addition of new ...
Structural analysis of the comet 45P/Honda based on isophote modeling

Churkin K.O.; Andreev A.O.; Nefedyev Y.A.; Arkhipova A.A.; Demina N.Y. (2021)

The work focuses on using the isophote method to construct a 45P/Honda comet model. At the same time, important problems were solved for modeling the physical surface of a comet and studying the structure of the cometary ...
Studying the fractal properties of Ceres

Mubarakshina R.R.; Andreev A.O.; Nefedyev Y.A.; Arkhipova A.A.; Kronrod E.V.; Demina N.Y. (2021)

Currently, the asteroid Ceres belongs to small celestial bodies with the most well-known physical parameters. The study of the structural and real properties of Ceres is an urgent and modern task, the solution of which ...
The analysis of Titan's physical surface using multifractal geometry methods

De La Morena C.; Nefedyev Y.A.; Andreev A.O.; Ahmedshina E.N.; Arkhipova A.A.; Kronrod E.V.; Demina N.Y. (2021)

Titan makes up 95% of the mass of all 82 satellites of Saturn. Titan's diameter is 5152 km, which means that it is larger than the Moon by 50%, and it is also significantly larger than Mercury. On the satellite, a subsurface ...
The creation of a regression model of the Earth's pole motion with a feature of dynamic prediction

Khairutdinova A.N.; Mubarakshina R.R.; Andreev A.O.; Nefedyev Y.A.; Demina N.Y. (2020)

© Published under licence by IOP Publishing Ltd. This work is dedicated to the modern and relevant problem of predicting the Earth's pole motion. Using regression modelling, we form a complex model, consisting of a set of ...
The development of projective metric method for analyzing star positions

Kostina E.Y.; Andreev A.O.; Nefedyev Y.A.; Demina N.Y. (2020)

© Published under licence by IOP Publishing Ltd. In this work, the projective geometry method was used for analyzing star clusters. When carrying out the calculation procedures, it was considered that non-linear distortion ...
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 search for statistical patterns of pathological activity in human EEG signals in focal epilepsy

Yunusov V.A.; Demin S.A.; Panischev O.Y.; Demina N.Y. (2021)

Modern data science faces a lot of challenges, one of which is the search for diagnostic criteria for neurological diseases. New methods of statistical analysis are actively applied in the field of biophysics to solve this ...
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 study of the influence of interstellar extinction laws on the parameters of photometric system using astrophysical observations taken at EAO

Kuandykova D.M.; Andreev A.O.; Nefedyev Y.A.; Demina N.Y.; Borovskih V.S. (2020)

© Published under licence by IOP Publishing Ltd. In this work, connections between UBV (PSC UBV) photometric systems for various laws of interstellar extinction are calculated on the basis of digital database on astrophysical ...
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 ...
The Use of Photometric Structural Analysis and Digitized Positional Observation Data to Study Small Celestial Bodies

Nefedyev Y.A.; Bagrov A.V.; Usanin V.S.; Andreev A.O.; Demina N.Y. (2021)

Abstract: The problems of the study of small celestial bodies are an important component of modern space research. This applies both to the study of physicochemical and evolutionary parameters and the search for the genetic ...

Now showing items 1-16 of 16

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Browsing by Author "Demina N.Y."

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