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Showing 1-20 of 104 results

  1. Relativistic Synchronization of Clocks on Board Navigation Spacecraft with the Aid of Intersatellite Measurements

    The problem of synchronizing the onboard clocks of navigation satellites is examined from a relativistic standpoint using the concept of "coordinate...

    N. N. Vasilyuk, A. P. Chervonkin in Measurement Techniques
    Article 01 November 2021

  2. Gravitational anomaly detection using a satellite constellation: analysis and simulation

    We investigate the utility of a constellation of four satellites in heliocentric orbit, equipped with accurate means to measure intersatellite...

    Viktor T. Toth in Astrophysics and Space Science
    Article 31 October 2023

  3. Determination of the Parameters of the Earth’s Gravitational Field from Gradiometric Measurements

    Abstract

    The paper discusses the goals and objectives of the GOCE project, the measurement information and the data processing strategy used in...

    A. A. Klyuikov in Astronomy Reports
    Article Open access 01 July 2022

  4. Decentralized Swarm Control of Small Satellites for Communication Connectivity Maintenance

    Abstract

    Control of the motion of a swarm of small satellites after a cluster launch is proposed to keep the satellites trajectories in a given area...

    U. V. Monakhova, S. A. Shestakov, ... D. S. Ivanov in Cosmic Research
    Article 01 February 2024

  6. The Method of Determination of the Gravitational Field Model of an Asteroid Using a Group of Small Spacecrafts

    Abstract

    This paper proposes a method for determining the parameters of the gravitational field of an asteroid using a group of spacecrafts. The...

    M. Yu. Voronina, M. G. Shirobokov in Cosmic Research
    Article 06 June 2022

  7. Relativistic Reductions in High-Precision Measurements of the Earth’s Global Gravity Field Using a Multipair Constellation

    Abstract—

    The theory of relativistic reductions for future challenges of space gravimetry with target accuracy of up to 1 picometer is developed in...

    V. K. Milyukov, I. Yu. Vlasov, ... V. N. Sementsov in Astronomy Reports
    Article 01 May 2020

  8. On the Issue of Autonomous Refining of the Earth Orientation Parameters onboard Spacecraft. Analysis of the Possibilities of Developed Information Technology

    Abstract

    This paper presents the results of an analysis of the influence of a wide range of uncontrollable factors on the accuracy of the estimates of...

    M. N. Krasil’shchikov, D. M. Kruzhkov in Cosmic Research
    Article 01 September 2021

  9. Spectrum for THz Communications

    This chapter describes the framework for the use of spectrum by THz communications, which has to rely on the possibility to share the spectrum with...
    Michael J. Marcus, Thomas Kürner in THz Communications
    Chapter 2022

  10. Analysis of Key Technologies for a Space Geophysics Mission: Required Accuracies and Engineering Solutions

    Abstract —The paper analyzes the Russian scientific and technological capabilities to manufacture a space-borne observation platform for...

    V. K. Milyukov, A. V. Burdanov, ... V. K. Sysoev in Solar System Research
    Article 22 December 2020

  11. TianQin Space-Based Gravitational Wave Detector: Key Technologies and Current State of Implementation

    Abstract

    TianQin is a project of a space-based gravitational wave detector for detecting GW events in the millihertz frequency range. The space-based...

    V. K. Milyukov in Astronomy Reports
    Article 30 December 2020

  12. A low-density ocean inside Titan inferred from Cassini data

    The Cassini mission has provided measurements of the gravity of several moons of Saturn as well as an estimate of the tidal response, which is...

    Sander Goossens, Bob van Noort, ... Wouter van der Wal in Nature Astronomy
    Article 29 April 2024

  13. Impact of controlling the barrier height on fabrication of high performance β-Ga2O3 solar-blind photodetectors

    Photodetectors based on Ga 2 O 3 have stimulated extensive attention for diverse applications from civil and military filed. Great progress has been...

    Thi Kim Oanh Vu, Minh Tien Tran, ... Eun Kyu Kim in Applied Physics A
    Article 02 August 2023

  14. Anisotropic study of ReSe2-based photodetector grown via vapour transport technique

    Transition metal dichalcogenides (TMDCs) are extensively in demand as photodetectors due to their extraordinary electrical and optical properties. In...

    Hetal Patel, Payal Chauhan, ... K. D. Patel in The European Physical Journal B
    Article 05 November 2022

  15. Concepts and status of Chinese space gravitational wave detection projects

    Gravitational wave (GW) detection in space probes the GW spectrum that is inaccessible from the Earth. In addition to the LISA project led by the...

    Yungui Gong, Jun Luo, Bin Wang in Nature Astronomy
    Article 15 September 2021

  16. THEZA: TeraHertz Exploration and Zooming-in for Astrophysics

    This paper presents the ESA Voyage 2050 White Paper for a concept of TeraHertz Exploration and Zooming-in for Astrophysics (THEZA). It addresses the...

    Leonid I. Gurvits, Zsolt Paragi, ... J. Anton Zensus in Experimental Astronomy
    Article Open access 27 May 2021

  17. Improved sensitivity in self-powered photoelectrochemical UV photodetector by application of graphene quantum dots

    Here, we demonstrate the successful application of graphene quantum dots (GQDs) as a sensitizing material in a self-powered photoelectrochemical...

    Soheyla Zarei, Zahra Hosseini, ... Teymoor Ghanbari in The European Physical Journal Plus
    Article 11 May 2021

  18. Network Control Systems for Large-Scale Constellations

    Network control systems for large-scale constellations of small satellites are of critical importance to the successful and safe operation of...
    Jeroen Cappaert, Sreeja Nag in Handbook of Small Satellites
    Reference work entry 2020

  19. Near real-time gravitational wave data analysis of the massive black hole binary with TianQin

    Space-borne gravitational wave (GW) detectors can detect the merger of massive black holes. The early warning and localization of GW events before...

    Hong-Yu Chen, **ang-Yu Lyu, ... Yi-Ming Hu in Science China Physics, Mechanics & Astronomy
    Article 14 June 2024

  20. Materials for High Frequency Filters

    Different types of frequency filters (bandpass, bandstop, lowpass, and highpass) are used to obtain the desired frequencies and enable wireless...
    Colin Tong in Advanced Materials and Components for 5G and Beyond
    Chapter 2022
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