John Wegrzyn

3 Questions 6 Answers 0 Followers

Questions related from John Wegrzyn

Can someone explain the Sentinel-1 orientation (quanternion vs pitch,roll,yaw) numbers to me?

The following data comes directly from...

09 June 2018 4,791 3 View

Can anyone explain the science behind the need to frequency unwrap Sentinel-1 TOPS IW azimuth data?

I have written an image formation algorithm for Sentinel-1 Level-0 IW data. To properly form the image, one *must* perform the frequency unwrapping on the azimuth data. I have found I am able to...

02 June 2018 4,673 2 View

How do I determine precise center beam lat/lon pointing of Sentinel-1 Level-0/raw data?

I have written a Sentinel-1 Level-0 image formation tool in Matlab. I am able to extract and decode all the information in the Level-0 file both for the image formation and for the spacecraft...

02 June 2018 3,899 1 View