Results 81 to 90 of about 3,312 (202)

Geophysical Methods: an Overview [PDF]

open access: yes
Geophysics is expected to have a major role in lunar resource assessment when manned systems return to the Moon. Geophysical measurements made from a lunar rover will contribute to a number of key studies: estimating regolith thickness, detection of ...
Becker, A.   +5 more
core   +1 more source

NASA Human Spaceflight Architecture Team Lunar Destination Activities [PDF]

open access: yes, 2012
NASA's Human Spaceflight Architecture Team (HAT) Lunar Destination Team has been developing a number of "Design Reference Missions" (DRM) to inform exploration architecture development, transportation approaches, and destination elements and operations ...
Connolly, J. F.   +2 more
core   +1 more source

GPR applications across Engineering and Geosciences disciplines in Italy: a review [PDF]

open access: yes, 2016
In this paper, a review of the main ground-penetrating radar (GPR) applications, technologies, and methodologies used in Italy is given. The discussion has been organized in accordance with the field of application, and the use of this technology has ...
Benedetto, Andrea   +3 more
core   +2 more sources

TOPLEX: Teleoperated Lunar Explorer. Instruments and Operational Concepts for an Unmanned Lunar Rover [PDF]

open access: yes
A Teleoperated Lunar Explorer, or TOPLEX, consisting of a lunar lander payload in which a small, instrument-carrying lunar surface rover is robotically landed and teleoperated from Earth to perform extended lunar geoscience and resource evaluation ...
Blacic, James D.
core   +1 more source

GPRlab: A ground penetrating radar data processing and analysis software based on MATLAB

open access: yesSoftwareX
Ground penetrating radar (GPR) is widely used in many fields, but its data processing is limited by proprietary software and interdisciplinary knowledge.
Hongqiang Xiong, Zhiyu Zhang, Jing Li
doaj   +1 more source

Workshop on Innovative Instrumentation for the In Situ Study of Atmosphere-Surface Interactions on Mars [PDF]

open access: yes
The speakers in the first session of the workshop addressed some of the continuing enigmas regarding the atmospheric composition, surface composition, and atmosphere-surface interactions on Mars; provided a description of a database of proposed payloads ...
Fegley, Bruce, Jr., Waenke, Heinrich
core   +1 more source

Layer-Stripping Velocity Analysis Method for GPR/LPR Data

open access: yesApplied Sciences
Diffraction-based velocity analysis is a key data interpretation technique in geophysical exploration, typically relying on the geometric characteristics, energy distribution, or propagation paths of diffraction waves.
Nan Huai, Tao Lei, Xintong Liu, Ning Liu
doaj   +1 more source

Space, the new frontier [PDF]

open access: yes, 1964
Space program - high thrust boosters with greater payload capabilities, superior guidance and control, and astronaut ...
Dean, J.   +4 more
core   +1 more source

A treatise on the Surveyor lunar landing dynamics and an evaluation of pertinent telemetry data returned by Surveyor I [PDF]

open access: yes
Dynamic behavior of Surveyor landing system and surface material during lunar ...
Garba, J., Sperling, F.
core   +1 more source

Applications of Ground-Penetrating Radar in Asteroid and Comet Exploration

open access: yesRemote Sensing
Nowadays, asteroid and comet exploration is one of the most important components of deep space exploration. Through asteroid and comet exploration missions, it is possible to reveal the history of the formation and evolution of the solar system, to ...
Wei Guan   +5 more
doaj   +1 more source

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