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  • ELECTRONIC SYSTEMS  (2)
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  • 1
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    In:  Other Sources
    Publication Date: 2019-07-12
    Description: Report traces development of imaging radar polarimetry at NASA's Jet Propulsion Laboratory during recent years. When fully developed, multipolarization synthetic-aperture radar (SAR) systems aboard aircraft and spacecraft expected to yield wealth of data for assessment of resources, agricultural forecasting, and verification of radar-scattering calculations.
    Keywords: ELECTRONIC SYSTEMS
    Type: NPO-17247 , NASA Tech Briefs (ISSN 0145-319X); 13; 12; P. 37
    Format: text
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  • 2
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    In:  Other Sources
    Publication Date: 2019-07-12
    Description: Radar measures full polarization tensor of each element in scene in one sweep. New system comprises dual-polarized antenna, single transmitter, and four-channel receiver and digital recorder installed in aircraft, plus digital processor on ground. Produces radar-backscatter images corresponding to 10- by 10-km regions on ground. Signals recorded from orthogonal linearly polarized antennas combined in computer after flight to synthesize any desired combination of transmitted and received polarizations. Data recorded on single flight processed to provide multiple images.
    Keywords: ELECTRONIC SYSTEMS
    Type: NPO-16875 , NASA Tech Briefs (ISSN 0145-319X); 11; 8; P. 36
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