Search Results - "Takala, Mika"

Complex-structured 3D-printed wireframes as asteroid analogues for tomographic microwave radar measurements by Sorsa, Liisa-Ida, Eyraud, Christelle, Hérique, Alain, Takala, Mika, Pursiainen, Sampsa, Geffrin, Jean-Michel

“…This study introduces a fused filament fabrication (FFF) process for manufacturing complex-structured asteroid analogue objects to be applied in tomographic…”
Get full text

Bistatic Full-wave Radar Tomography Detects Deep Interior Voids, Cracks, and Boulders in a Rubble-pile Asteroid Model by Sorsa, Liisa-Ida, Takala, Mika, Bambach, Patrick, Deller, Jakob, Vilenius, Esa, Pursiainen, Sampsa

“…In this paper, we investigate full-wave computed radar tomography (CRT) using a rubble-pile asteroid model in which a realistic shape (Itokawa) is coupled with…”
Get full text

DISCUS – The Deep Interior Scanning CubeSat mission to a rubble pile near-Earth asteroid by Bambach, Patrick, Deller, Jakob, Vilenius, Esa, Pursiainen, Sampsa, Takala, Mika, Braun, Hans Martin, Lentz, Harald, Wittig, Manfred

“…We have performed an initial stage conceptual design study for the Deep Interior Scanning CubeSat (DISCUS), a tandem 6U CubeSat carrying a bistatic radar as…”
Get full text

Multigrid-Based Inversion for Volumetric Radar Imaging With Asteroid Interior Reconstruction as a Potential Application by Takala, Mika, Us, Defne, Pursiainen, Sampsa

“…This study concentrates on advancing mathematical and computational methodology for radar tomography imaging in which the unknown volumetric velocity…”
Get full text

Far-Field Inversion for the Deep Interior Scanning CubeSat by Takala, Mika, Bambach, Patrick, Deller, Jakob, Vilenius, Esa, Wittig, Manfred, Lentz, Harald, Braun, Hans Martin, Kaasalainen, Mikko, Pursiainen, Sampsa

“…This study aims at advancing mathematical and computational techniques for reconstructing the interior structure of a small solar system body via computed…”
Get full text

Tomographic inversion of gravity gradient field for a synthetic Itokawa model by Sorsa, Liisa-Ida, Takala, Mika, Bambach, Patrick, Deller, Jakob, Vilenius, Esa, Agarwal, Jessica, Carroll, Kieran A., Karatekin, Özgür, Pursiainen, Sampsa

“…This article investigates reconstructing the internal mass density of a numerical asteroid model using the gradient of a simulated gravity field as synthetic…”
Get full text

A Time-Domain Multigrid Solver With Higher-Order Born Approximation for Full-Wave Radar Tomography of a Complex-Shaped Target by Sorsa, Liisa-Ida, Takala, Mika, Eyraud, Christelle, Pursiainen, Sampsa

“…This article introduces and evaluates numerically a multigrid solver for non-linear tomographic radar imaging. Our goal is to enable the fast and robust…”
Get full text

The Effect of Hardware-Computed Travel Time on Localization Accuracy in the Inversion of Experimental (Acoustic) Waveform Data by Takala, Mika, Hamalainen, Timo D., Pursiainen, Sampsa

“…This study aims to advance hardware-level computations for travel-time tomography applications in which the wavelength is close to the diameter of the…”
Get full text

Multigrid-based inversion for volumetric radar imaging with asteroid interior reconstruction as a potential application by Takala, Mika, Us, Defne, Pursiainen, Sampsa

“…M. Takala, D. Us and S. Pursiainen, "Multigrid-based inversion for volumetric radar imaging with asteroid interior reconstruction as a potential application,"…”
Get full text

The effect of hardware-computed travel-time on localization accuracy in the inversion of experimental (acoustic) waveform data by Takala, Mika, Hämäläinen, Timo D, Pursiainen, Sampsa

“…This study aims to advance hardware-level computations for travel-time tomography applications in which the wavelength is close to the diameter of the…”
Get full text

Bistatic full-wave radar tomography detects deep interior voids, cracks and boulders in a rubble-pile asteroid model by Sorsa, Liisa-Ida, Takala, Mika, Bambach, Patrick, Deller, Jakob, Vilenius, Esa, Pursiainen, Sampsa

“…In this paper, we investigate full-wave computed radar tomography (CRT) using a rubble-pile asteroid model in which a realistic shape (Itokawa) is coupled with…”
Get full text

Tomographic inversion of gravity gradient field for a synthetic Itokawa model by Sorsa, Liisa-Ida, Takala, Mika, Bambach, Patrick, Deller, Jakob, Vilenius, Esa, Agarwal, Jessica, Carroll, Kieran A, Karatekin, Özgür, Pursiainen, Sampsa

“…This article investigates reconstructing the internal mass density of a numerical asteroid model using the gradient of a simulated gravity field as synthetic…”
Get full text

CubeSat Based Radio Tomography for a Rubble Pile Asteroid: DISCUS Mission Concept by Takala, Mika, Bambach, Patrick, Deller, Jakob, Vilenius, Esa, Wittig, Manfred, Lentz, Harald, Braun, Hans Martin, Pursiainen, Sampsa

“…This presentation concentrates on the possibility to perform radio tomography measurements using CubeSat spacecraft carrying a bistatic radar. We present both…”
Get full text

DISCUS - The Deep Interior Scanning CubeSat mission to a rubble pile near-Earth asteroid by Bambach, Patrick, Deller, Jakob, Vilenius, Esa, Pursiainen, Sampsa, Takala, Mika, Braun, Hans Martin, Lentz, Harald, Wittig, Manfred

“…We have performed an initial stage conceptual design study for the Deep Interior Scanning CubeSat (DISCUS), a tandem 6U CubeSat carrying a bistatic radar as…”
Get full text

Far-Field Inversion for the Deep Interior Scanning CubeSat by Takala, Mika, Bambach, Patrick, Deller, Jakob, Vilenus, Esa, Wittig, Manfred, Lentz, Harald, Braun, Hans Martin, Kaasalainen, Mikko, Pursiainen, Sampsa

“…This study aims at advancing mathematical and computational techniques for reconstructing the interior structure of a near earth asteroid (NEA) via Computed…”
Get full text

ASIME 2018 White Paper. In-Space Utilisation of Asteroids: Asteroid Composition -- Answers to Questions from the Asteroid Miners by Graps, Amara L, Abbud-Madrid, Angel, Abell, Paul, Barucci, Antonella, Beck, Pierre, Bonal, Lydie, Bonin, Grant, Borgersen, Øystein Risan, Britt, Daniel, Campins, Humberto, Cannon, Kevin, Carnelli, Ian, Carry, Benoît, Crawford, Ian, de Leon, Julia, Drube, Line, Donaldson-Hanna, Kerri, Elvis, Martin, Fitzsimmons, Alan, Galache, JL, Green, Simon F, Grundmann, Jan Thimo, Herique, Alan, Hestroffer, Daniel, Hsieh, Henry, Kereszturi, Akos, Kueppers, Michael, Lewicki, Chris, Lin, Yangting, Mainzer, Amy, Michel, Patrick, Moon, Hong-Kyu, Nakamura, Tomoki, Penttila, Antti, Pursiainen, Sampsa, Raymond, Carol, Reddy, Vishnu, Rivkin, Andy, Sercel, Joel, Stickle, Angela, Tanga, Paolo, Takala, Mika, Wirtz, Tom, Wu, YunZhao

“…In keeping with the Luxembourg government's initiative to support the future use of space resources, ASIME 2018 was held in Belval, Luxembourg on April 16-17,…”
Get full text