Výsledky vyhledávání - "Myrto Tzamali"

On-orbit Calibration of GRACE and GRACE-FO accelerometers

The onboard GRACE and GRACE-FO accelerometers measure the non-gravitational accelerations of the spacecraft that are indispensable for the modelling of the Earth’s gravity field since they are subtracted from the GPS POD total accelerations to isol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9544039d1c1d9d83c97822aa9882c641
https://doi.org/10.5194/egusphere-egu23-10422

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A matched filter approach for the calibration of GRACE and GRACE-FO accelerometers

Autor: Spiros Pagiatakis, Myrto Tzamali

For the accurate determination of the gravity field of the Earth, the accelerometers on board GRACE and GRACE-FO missions need to be calibrated, which is a rather challenging task. In many gravitational field studies, the bias and scale factors are i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8569c97a77bb9e941597be217f459d23
https://doi.org/10.5194/egusphere-egu23-10423

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Non-gravitational accelerations and magnetic disturbances: What can be observed from the residual series of accelerometers on GRACE C?

Autor: Myrto Tzamali, Spiros Pagiatakis

The purpose of this study is to diagnose how the magnetic disturbances and the flow of the vertical currents can be identified from the non-gravitational acceleration measurements of GRACE C. Whereas the non-gravitational measurements are routinely u

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4be60acb9fbe7957b6df7aab818fce28
https://doi.org/10.5194/egusphere-egu22-8955

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Data-driven Atmospheric Drag and Radiation Pressure Models Based on GRACE-C Accelerometer Measurements for the Study of the Upper Atmosphere

Autor: Myrto Tzamali

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ad2a3ae149282f74b695ee2c33f63654
https://doi.org/10.1002/essoar.10510133.1

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Data-driven Atmospheric Drag and Radiation Pressure Models Based on GRACE-C Accelerometer Measurements for the Study of the Upper Atmosphere

Autor: Spiros Pagiatakis, Myrto Tzamali

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f7a2877f3ccb2c0a38a73f7861a9d2ee
https://doi.org/10.1002/essoar.10510131.1

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GRACE-FO and Swarm accelerometers: An optimal approach for processing non-gravitational acceleration measurements

Autor: Myrto Tzamali, Spiros Pagiatakis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3f6dfe1e3f2ffda5de37057b9f7bfc36
https://doi.org/10.1002/essoar.10510132.1

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GRACE-FO accelerometer data: An alternative approach using Least Squares Spectral Analysis

Autor: Myrto Tzamali, Spiros Pagiatakis

Technological advances in satellite geodesy have been demanding more and more accurate gravity field models but also precise measurements of the movement of water along the Earth system. GRACE-FO (GFO) mission is dedicated to monitor the Earth with a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3f5774b806f816753a4f6258bbfbd27a
https://doi.org/10.5194/egusphere-egu21-6906

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GRACE-FO and Swarm integrated data analysis reveals ionospheric disturbances on the accelerometer measurements

Autor: Myrto Tzamali, Athina Peidou, Spiros Pagiatakis

Low Earth Orbit (LEO) satellites are subject to numerous disturbances related to the Earth’s upper ionosphere. Perturbations induced by the activity of the electromagnetic field (EM) at the upper ionospheric layers have not been fully understood ye

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8b846a124522669974813efd8f156e63
https://doi.org/10.5194/egusphere-egu2020-12931

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