Project Documentation GFZ Department 1

08/05/2025

10:50 PM GAMMA Questions Sentinel-1: RE: How can I identify unique GRD scenes to re-use pivot table during RTC?

This is a multi-part message in MIME format.
--------------h8TNR0D9VJoBtbHyxN9VSxVi
Content-Type: text/plain; charset... Charles Werner

07/10/2025

12:00 PM GAMMA Questions Sentinel-1: How can I identify unique GRD scenes to re-use pivot table during RTC?

This is a multi-part message in MIME format.
--------------LNwjYBMwG5DHad5r4Ynizmrs
Content-Type: text/plain; charset... Charles Werner

07/03/2025

10:02 AM GAMMA Questions SAR Data Preprocessing: oversampling and multi-looking

This is a multi-part message in MIME format.
--------------5K5nITp0UgUIwgEGfi2HL3iD
Content-Type: text/plain; charset... Charles Werner

10:02 AM GAMMA Questions SAR Data Preprocessing: oversampling and multi-looking

This is a multi-part message in MIME format.
--------------lMsQhTPdQDklpp7vzQQ6UGqJ
Content-Type: text/plain; charset... Charles Werner

09/04/2024

08:45 PM GAMMA Questions IPTA / SBAS: `mcf_pt` mask some output pixels

Hello Kang,
Thank you very much for your question. The origin of the missing unwrapped
points has been interesting.... Charles Werner

04/19/2024

04:35 PM GAMMA Questions GAMMA Processing: RE: Co-registration of large-baseline imterferometric pair

Hello Liu,
When the coherence is low, and the terrain is flat, use larger windows
(256x256). Is the coherence low d... Charles Werner

04/18/2024

04:40 PM GAMMA Questions GAMMA Processing: RE: Co-registration of large-baseline imterferometric pair

Dear Liu,
You have to look also at the thresholds you set for accepting offset
measurements and how the interferome... Charles Werner

04/17/2024

04:15 PM GAMMA Questions GAMMA Processing: Co-registration of large-baseline imterferometric pair

Hello,
I would look very carefully at the distribution of errors and the quality of the
geocoding.
For example, doe... Charles Werner

11/23/2023

01:05 PM GAMMA Questions IPTA / SBAS: RE: Multi_def_pt <rpatch> parameter?

Hello,
Typically the size of the patch is between 500m and 2km in ground-range and
azimuth, mostly as a function of... Charles Werner

11/22/2023

02:13 PM GAMMA Questions IPTA / SBAS: Multi_def_pt <rpatch> parameter?

Hello,
multi_def_pt divides the interferogram into patches on a rectangular grid. The
reason for this is that the r... Charles Werner