Radar scattering laws and wavelength dependence of the lunar surface
- Simpson, R. A.
- Jan 26, 1978.
- Physical Description:
- 1 electronic document
- Restrictions on Access:
- Unclassified, Unlimited, Publicly available.
- Data from Apollo lunar bistatic radar experiments have been processed to give probability density functions for surface slopes. These show best agreement with a Hagfors scattering law, though data having both gaussian and exponential characteristics also exist. Surface roughness estimates range from 4 deg in maria to at least 8 deg in highlands, values which are appropriate to 25 m horizontal scales and which are areal averages over tens of square kilometers. Roughness varies with wavelength, most strongly in maria.
- NASA Technical Reports Server (NTRS) Collection.
- Document ID: 19780009307.
Accession ID: 78N17250.
- No Copyright.
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