Process for combining multiple passes of interferometric SAR data
Patent
·
OSTI ID:873396
- Albuquerque, NM
Interferometric synthetic aperture radar (IFSAR) is a promising technology for a wide variety of military and civilian elevation modeling requirements. IFSAR extends traditional two dimensional SAR processing to three dimensions by utilizing the phase difference between two SAR images taken from different elevation positions to determine an angle of arrival for each pixel in the scene. This angle, together with the two-dimensional location information in the traditional SAR image, can be transformed into geographic coordinates if the position and motion parameters of the antennas are known accurately.
- Research Organization:
- SANDIA CORP
- DOE Contract Number:
- AC04-94AL85000
- Assignee:
- Sandia Corporation (Albuquerque, NM)
- Patent Number(s):
- US 6150972
- Application Number:
- 09/128371
- OSTI ID:
- 873396
- Country of Publication:
- United States
- Language:
- English
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accurately
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multiple pass
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accurately
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aperture
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combining
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determine
difference
dimensional
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elevation
extends
geographic
ifsar
image
images
information
interferometric
location
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military
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multiple
multiple pass
multiple passes
parameters
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phase
phase difference
pixel
position
positions
process
processing
promising
radar
requirements
scene
synthetic
synthetic aperture
technology
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two-dimensional
utilizing
variety
wide
wide variety