Cunren Liang

  • Registered on: 10/26/2015
  • Last connection: 01/24/2021

Activity

Reported issues: 1

01/24/2021

11:10 pm Earthdef::ISCEForum ISCE Forum: RE: Types of ionospheric corrections (topsApp)
Hi Sofia,
These are processing steps of ionosphere correction. Details are in the following paper:
C. Liang, P....

11/04/2020

03:56 pm Earthdef::ISCEForum ISCE Forum: RE: Applying Ionospheric corrections on topsApp.py
Hi Jasir,
in merged
topophase.ion is the phase removed.
topophase_ori.flat is the original interferogram without...

10/08/2020

08:49 pm Earthdef::ISCEForum ISCE Forum: RE: split range spectrum of TerraSAR data(error to high/low band interferogram)

OK, use the attached file instead, in which the routine is added.
Yahui Chong wrote:
> Hi Cunren
>
>...

08/27/2020

01:36 pm Earthdef::ISCEForum ISCE Forum: RE: ALOS-2 InSAR and Ionospheric Correction package released
I see your purpose. If we process the data using full-aperture workflow as implemented in alos2App.py, cropping a sma...

08/26/2020

11:10 am Earthdef::ISCEForum ISCE Forum: RE: ALOS-2 InSAR and Ionospheric Correction package released
Francisco,
alos2App.py currently does not support other unwrapping method. However, other versions of snaphu can b...

08/03/2020

02:39 pm Earthdef::ISCEForum ISCE Forum: RE: split range spectrum of TerraSAR data(error to high/low band interferogram)
I will make a pull request together with other updates I made recently.
Cunren
02:16 pm Earthdef::ISCEForum ISCE Forum: RE: Unwrap2stage - Ionospheric correction -topsApp-
I could not reproduce your first error. For the second error, I have updated the code, but the change is not merged i...

08/02/2020

05:15 pm Earthdef::ISCEForum ISCE Forum: RE: split range spectrum of TerraSAR data(error to high/low band interferogram)
I fixed this issue a few years ago when i tried to process Eric's TerraSAR-X data, but forgot to merge the update to ...
04:47 pm Earthdef::ISCEForum ISCE Forum: RE: ALOS-2 InSAR and Ionospheric Correction package released
Hi Yahui,
Range split-spectrum method is implemented for all sensors and acquisition modes supported by ISCE in di...

07/17/2020

10:20 pm Earthdef::ISCEForum ISCE Forum: RE: Unwrap2stage - Ionospheric correction -topsApp-
Hi Aleja,
First of all, 2stage unwrapping is not used in ionospheric phase computation.
You can try different p...

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