Direct observations of asteroid interior and regolith structure: Science measurement requirements
A Hérique, B Agnus, E Asphaug, A Barucci… - Advances in Space …, 2018 - Elsevier
Our knowledge of the internal structure of asteroids is, so far, indirect–relying entirely on
inferences from remote sensing observations of the surface, and theoretical modeling of …
inferences from remote sensing observations of the surface, and theoretical modeling of …
[HTML][HTML] Imaging of the internal structure of an asteroid analogue from quasi-monostatic microwave measurement data-I. The frequency domain approach
Context. The internal structure of small Solar System bodies (SSSBs) is still poorly
understood, although it can provide important information about the formation process of …
understood, although it can provide important information about the formation process of …
A radar package for asteroid subsurface investigations: Implications of implementing and integration into the MASCOT nanoscale landing platform from science …
A Herique, D Plettemeier, C Lange, JT Grundmann… - Acta Astronautica, 2019 - Elsevier
The internal structure of asteroids is still poorly known and has never been analyzed directly
by measurements. Our knowledge relies entirely on inferences from remote sensing …
by measurements. Our knowledge relies entirely on inferences from remote sensing …
A time-domain multigrid solver with higher-order born approximation for full-wave radar tomography of a complex-shaped target
LI Sorsa, M Takala, C Eyraud… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article introduces and evaluates numerically a multigrid solver for non-linear
tomographic radar imaging. Our goal is to enable the fast and robust inversion of sparse …
tomographic radar imaging. Our goal is to enable the fast and robust inversion of sparse …
[HTML][HTML] Complex-structured 3D-printed wireframes as asteroid analogues for tomographic microwave radar measurements
LI Sorsa, C Eyraud, A Hérique, M Takala, S Pursiainen… - Materials & Design, 2021 - Elsevier
This study introduces a fused filament fabrication (FFF) process for manufacturing complex-
structured asteroid analogue objects to be applied in tomographic microwave radar …
structured asteroid analogue objects to be applied in tomographic microwave radar …
Full wavefield simulation versus measurement of microwave scattering by a complex 3D-printed asteroid analogue
C Eyraud, LI Sorsa, JM Geffrin, M Takala… - Astronomy & …, 2020 - aanda.org
Context. The small bodies of the Solar System, and especially their internal structures, are
still not well-known. Studies of the interior of comets and asteroids could provide important …
still not well-known. Studies of the interior of comets and asteroids could provide important …
Angular and radial sampling criteria for monostatic and bistatic radar tomography of solar system small bodies
Low-frequency radar tomography is an important subsurface imaging method for future
planetary missions to solar system small bodies. We derive angular and radial sampling …
planetary missions to solar system small bodies. We derive angular and radial sampling …
Ultra-wideband SAR tomography on asteroids
Our knowledge of the internal structure of asteroids is currently indirect and relies on
inferences from remote sensing observations of surfaces. However, it is fundamental for …
inferences from remote sensing observations of surfaces. However, it is fundamental for …
Anomaly distinguishability in an asteroid analogue using quasi-monostatic experimental radar measurements
This study conducts a quantitative distinguishability analysis using quasi-monostatic
experimental radar data to find a topographic and backpropagated tomographic …
experimental radar data to find a topographic and backpropagated tomographic …
Towards asteroid tomography: Modellings and measurements using an analogue model
C Eyraud, LI Sorsa, A Hérique… - 2020 14th European …, 2020 - ieeexplore.ieee.org
The interior structures of the comets and asteroids, still poorly known, might hold a unique
key to understand the early Solar System. Considering the interaction of an illuminated …
key to understand the early Solar System. Considering the interaction of an illuminated …