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The Apollo Lunar Sounder radar system (1974)

Zelenka, J. S. ; Porcello, L. J. ; Ward, S. H. ; [et al.]

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Publication Date: 2011-08-16

Description: The objectives of the Apollo 17 Lunar Sounder Experiment (ALSE) were to detect subsurface geologic structures, to generate a continuous lunar profile, and to image the moon at radar wavelengths. A three-wavelength synthetic-aperture radar (SAR) operating at 60, 20, and 2 m wavelengths was designed to attain these objectives. The design choices reflected a balance of scientific requirements versus Apollo mission and hardware constraints. The radar data from the lunar mission were recorded on photographic film in a conventional SAR format, and were returned to earth for processing. A combination of optical and digital processing and exploitation techniques was applied to the scientific interpretation of the data. Some preliminary results from the lunar mission have been obtained.

Keywords: COMMUNICATIONS

Type: IEEE; vol. 62

Format: text

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