SARPROZ ©

Hi Daniele,

Thanks for your reply.

How should I apply spatial filtering to interferograms? What options I should choose?

Usually I follow the below procedure:

1. Generate interferograms (flat earth phase and DEM removal, goldstein phase filtering, no unwrapping)
2. APS processing (one-star graph, amplitude stability index, estimate linear…[Read more]

Hi Sekhar,
yes, the lines appear because the image is subdivided into patches. however, they look like lines in the picture that you attached, but in fact it’s just an optical effect showing the higher density close to patch borders. if you zoom in, you will see that they still pick up real local maxima, and pixels are not aligned, so, you do not…[Read more]

Updates can be installed through this interface http://sarproz.com/manual/manage_version.html
if you encountered errors, please send us lasterror and log files
if you upload them here, zip them first

Hi,

I’m a user at univeristy. I came across the failure in downloading updates. I want to ask for the windows version, how to install the update software after downloading the psftp.exe ?

Thanks a lot for clarification..

Hi Sekhar,
in Sarproz parameters you find both “ampl. stab. index 1-sigma/mu”=ASI and “ampl. stab mu/sigma”=SA
what you call Ampl. Dispersion is DA=sigma/mu=1/SA
ASI=1-1/SA=1-DA
since in the APS module points over the threshold are selected, then you have to use ASI > .75
otherwise, you can apply more complex conditions (>< || && on multiple…[Read more]

Hi Sekhar,
in Sarproz parameters you find both “ampl. stab. index 1-sigma/mu”=ASI and “ampl. stab mu/sigma”=SA
what you call Ampl. Dispersion is DA=sigma/mu=1/SA
ASI=1-1/SA=1-DA
since in the APS module points over the threshold are selected, then you have to use ASI > .75
otherwise, you can apply more complex conditions (>< || && on multiple…[Read more]

Hi Sekhar,
in Sarproz parameters you find both “ampl. stab. index 1-sigma/mu”=ASI and “ampl. stab mu/sigma”=SA
what you call Ampl. Dispersion is DA=sigma/mu=1/SA
ASI=1-1/SA=1-DA
since in the APS module points over the threshold are selected, then you have to use ASI > .75
otherwise, you can apply more complex conditions (>< || && on multiple…[Read more]

Hi Sekhar,
in Sarproz parameters you find both “ampl. stab. index 1-sigma/mu”=ASI and “ampl. stab mu/sigma”=SA
what you call Ampl. Dispersion is DA=sigma/mu=1/SA
ASI=1-1/SA=1-DA
since in the APS module points over the threshold are selected, then you have to use ASI > .75
otherwise, you can apply more complex conditions (>< || && on multiple…[Read more]

hi Ivana,
InSAR is by definition a differential operation, so, constant terms have no impacts.
What counts in the temperature is its variation, not its average.
Also standard deviation and variance are independent from the mean value.

Thank you. My aCcess to matlab is now more complicated, but i will try to solve it somehow.

I think it is sometimes useful to change the master. There are two reasons why I consider it:

– the temperatures. The master temperature should also be in the middle of the temperatures measured, especially in case where ktemp is neglected (forced to…[Read more]

Hi Ivana,
baselines are saved in the DataSet.txt file. However, it’s just an indicative number, since the baselines changes within the analyzed area. In the processing, such value is calculated from the orbital information.
If you use Matlab you can also load the baselines values using the command “fast”. They are stored together with other infos…[Read more]

Hello Dr. Perissin

The problem was because of my data set, one of the images was corrupted. SARPROZ just works fine.

Thanks
Mahtab

Hi Matus,
try first the code I passed you by email, we’ll upload it after a few more tests
thanks

Hi Mahtab,
write an email to me, I will pass you a piece of code which may solve this issue, we need some tests before uploading the complete new version.
thanks