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Written by Batuhan Osmanoglu
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Friday, 17 February 2012 19:26 |
DORIS coregpm problem with PALSAR images
I came across a problem at the coregpm step when processing ALOS/PALSAR SAR interferograms with DORIS. Most of the pairs coregistered OK, however I would get a few bad pairs that refused to coregister correctly. The problem was that too many fine correlation observations were thrown away at the coregistration parameters step, causing the interferogram to be coherent only at the bottom of the image. The problem demonstrates itself with the following messages:
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Last Updated on Monday, 20 February 2012 19:53 |
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Written by Batuhan Osmanoglu
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Saturday, 12 November 2011 03:57 |
Problem with reading Cosmo-Skymed data using Gamma
I am working on some data from Cosmo Skymed and noticed the following problems with par_CS_SLC command in Gamma binary distribution.
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Last Updated on Monday, 14 November 2011 23:18 |
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Written by Batuhan Osmanoglu
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Monday, 30 May 2011 22:23 |
Doris fine correlation parameters
Recently I noticed that some of my interferograms using TerraSAR-X data had "loss of coherence" in azimuth direction. I first thought that it might have been a problem with DORIS, but then it turned out to be a mistake in my settings.
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Last Updated on Thursday, 02 June 2011 15:29 |
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Written by Batuhan Osmanoglu
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Saturday, 09 April 2011 18:58 |
tsx_dump_header2doris.py fails on CentOs
Recently I have noticed a problem with the tsx_dump_header2doris.py script on the CentOS systems we use at school. The problem is related to lxml.etree.
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Last Updated on Monday, 19 December 2011 20:29 |
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Written by Batuhan Osmanoglu
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Saturday, 12 February 2011 21:08 |
wgetorb - Combining powers of wget and getorb
getorb is a software package written by Remko Scharroo and currently maintained by Eelco Doornbos, to read Orbital Data Record (ODR) files and interpolate orbits. getorb requires the ODR files to be located in the hard drive. wgetorb is a simple bash script that can work with files stored on a public http or ftp site.
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Last Updated on Saturday, 12 February 2011 22:01 |
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