Permittivity reconstruction and radio-propagation simulations to guide sub-surface radar exploration of ice moons and terrestrial glaciers for the Enceladus [...] / Alexander Luke Kyriacou. Wuppertal, 2023
Inhalt
- Introduction
- Enceladus: A home for extraterrestrial life?
- Observational History
- Orbital Characteristics
- Geology
- Surface Features
- South Polar Terrain
- Astrobiological Potential
- Future Exploration
- Enceladus Explorer - AsGAr
- Radar Simulations with Parabolic Equation Methods
- Introduction
- Modelling Electromagnetic Waves in Ice
- Parabolic Equations
- Example of two-way PE simulation
- Simulations through Glaciers with data-defined profiles
- Limitations and Potential Improvements to PE Methods
- Inversion of PE Simulations using Genetic Algorithms
- Cross-Borehole Permittivity Radar
- Field Campaign at the Aletsch Glacier
- Goals of the Field Test
- Location and Timeline
- Cross-Borehole Measurements
- Permittivity estimation via Peak Analysis Method
- Attenuation Measurement
- Summary
- Analysis of Field Test Data
- Glacier Modelling
- Comparison of Field Test with RT and PE Simulations
- Reconstruction of the Refractive Index profile with PEs
- Conclusions
- Appendices
- Dielectric Properties of Ice
- Formation of Glacial Firn
- The Permittivity Profile of the Tiger Stripe Region
- Ice Deposition on a Global Scale
- Ice Deposition on a Local Scale
- Permittivity Profile
- Discussion
- Conclusions
- Field Test 1
- Comparison of PEs to FDTD
- Non-Flat Surface Simulations with paraProp