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Open Access
The precision of sea-surface (or ice-surface) height measurements by radar altimetry improves in direct proportion to the square root of the number of statistically independent waveforms contributing to the measurement average. The closed-burst strategy used on CryoSat constrains the amount of averaging to be less than the theoretical limit by a factor of approximately three. Open-burst operation would allow the capture of nearly all available looks. Optimal performance requires that the radar pulse-repetition frequency be less than the usual Nyquist lower bound, which is acceptable for an altimeter viewing surfaces that have relatively small topographic relief.
Published in:
Geoscience and Remote Sensing Letters, IEEE
(Volume:9
,
Issue:
3
)
Date of Publication: May 2012
- Page(s):
- 393 - 397
- ISSN :
- 1545-598X
- INSPEC Accession Number:
- 12575024
- Digital Object Identifier :
- 10.1109/LGRS.2011.2170052
- Date of Publication :
- 03 November 2011
- Date of Current Version :
- 05 March 2012
- Issue Date :
- May 2012
- Sponsored by :
- IEEE Geoscience and Remote Sensing Society
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