Propagation Effects in Satellite-Based Synthetic Aperture Radars

This report describes the effects of propagation disturbances on space-based synthetic aperture radars (SAR). Using a model developed earlier, we performed simulations to show the distortion of the radar ambiguity function for the SEASAT-A SAR. For moderate disturbance, an elevated sidelobe level ca...

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Bibliographic Details
Main Authors: Rino,C L, Gonzalez,V H
Format: Report
Language:English
Subjects:
Active & Passive Radar Detection & Equipment
Ionospheric Propagation
LPN-SRI-2394
PE62715H
Radiofrequency Wave Propagation
Scintillation
SEASAT-A Satellite
Space Based Radar
Synthetic Aperture Radar
WU02
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Summary:This report describes the effects of propagation disturbances on space-based synthetic aperture radars (SAR). Using a model developed earlier, we performed simulations to show the distortion of the radar ambiguity function for the SEASAT-A SAR. For moderate disturbance, an elevated sidelobe level causes a reduction in contrast. The SEASAT-A library of high-latitude data showed examples of this effect, one example of which is analyzed here in detail.