Search found 25 matches

by ASF - bhauer
Tue Aug 15, 2023 12:06 pm America/New_York
Forum: Home
Question: Hy3P vertical product displacement unit
Replies: 2

Re: Hy3P vertical product displacement unit

Displacement values are given in meters.

Thank you,
Bill Hauer
by ASF - bhauer
Mon Jul 10, 2023 5:49 pm America/New_York
Forum: Home
Question: InSAR data processing
Replies: 1

Re: InSAR data processing

The OpenScienceLab team will be able to troubleshoot the problem you are having. Please submit an online request describing the issue, and someone will respond quickly:
https://asf.alaska.edu/services-osl-trouble-shooting/

Thank you,
Bill Hauer
by ASF - bhauer
Thu Apr 27, 2023 3:23 pm America/New_York
Forum: Home
Question: Sentinel-1 Frame Numbers
Replies: 1

Re: Sentinel-1 Frame Numbers

There is no reference map available for Sentinel-1 ASF frames. Because of the dependence on time instead of a specific set of geographic coordinates when assigning frame numbers, "frame drift" can occur over time, where the frame number over the same spot may change. I recommend using Vert...
by ASF - bhauer
Wed Apr 05, 2023 12:19 pm America/New_York
Forum: Home
Question: I NEED 5M RESOLUTION
Replies: 1

Re: I NEED 5M RESOLUTION

Please correct me if I'm mistaken, but I assume you are referring to the modified DEM file that is included with the ALOS PALSAR RTC product bundle. This file is a copy of an open-source DEM that was downloaded, modified, and used to perform radiometric terrain correction (RTC) on an ALOS PALSAR gra...
by ASF - bhauer
Thu Nov 17, 2022 3:04 pm America/New_York
Forum: Home
Question: Where does a novice user find 3d images?
Replies: 1

Re: Where does a novice user find 3d images?

If you are referring to the DEMs included with the ALOS PALSAR RTC products from ASF, it is important to note that they are NOT generated from ALOS PALSAR imagery. They are the DEMs that were used for RTC processing, which were simply mosaicked and clipped from publicly-available DEMs, such as SRTM ...