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The SIR-B science investigations plan: IntroductionThe Shuttle Imaging Radar-B (SIR-B) and its capabilities are described. The SIR-B instrument is an upgraded version of SIR-A that has the additional capability of tilting the antenna mechanically to acquire data at incidence angles that vary from 15 to 60 deg. Like SEASAT and SIR-A, SIR-B will be an L-band (23-cm) HH polarized radar. The variable-incidence-angle capability will allow several experiments. A specific area may be imaged with a variety of incidence angles on successive days. These images can then be registered and used to produce curves of backscatter as a function of incidence angle for various terrain types. These curves can be used ultimately to characterize the terrain. Stereoimaging may also be done in the multiple-incidence-angle mode. In addition, large areas may be imaged and mosaicked together with only slight variations in incidence angle with each swath.
Document ID
Document Type
Reprint (Version printed in journal)
Date Acquired
August 12, 2013
Publication Date
July 1, 1984
Publication Information
Publication: The SIR-B Sci. Invest. Plan
Subject Category
Distribution Limits
Work of the US Gov. Public Use Permitted.

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