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SUMMARY:Allan Greenleaf (University of Rochester)
DTSTART:20201029T160000Z
DTEND:20201029T170000Z
DTSTAMP:20260423T035538Z
UID:Inverse/21
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Inverse/21/"
 >Microlocal analysis of Doppler synthetic aperture radar</a>\nby Allan Gre
 enleaf (University of Rochester) as part of International Zoom Inverse Pro
 blems Seminar\, UC Irvine\n\n\nAbstract\nConventional monostatic synthetic
  aperture radar (SAR) uses range data obtained from measurements of scatte
 red radar waves to produce images of the Earth’s surface. The waveforms\
 , which are transmitted from an air- or space-borne platformand measured b
 y a co-located receiver\, are pulses with small temporal duration but wide
  bandwidth.The short duration of the pulses can give rise to high spatial 
 resolution in the images\,and there is a considerable mathematical literat
 ure concerning SAR.I will discuss an alternative approach\, called Doppler
  SAR\, which uses  a single frequency  waveform. We use techniques of micr
 olocal analysis to describe the artifacts that might arise in DSAR imaging
 \,and characterize some artifact-free regions. This is joint work with Ral
 uca Felea\, Romina Gaburro and Cliff Nolan.\n
LOCATION:https://researchseminars.org/talk/Inverse/21/
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