What SAR imagery products are available with Capella?
Capella Space provides two primary SAR imagery product types—Single Look Complex (SLC) and Geocoded Terrain Corrected (GEO)—across its Spotlight, Sliding Spotlight, and Stripmap collection modes.
Single Look Complex (SLC)
- Contains both amplitude and phase of the radar signal
- Range-compressed and focused SAR image in slant-range geometry
- Georeferenced using orbit data and Range-Doppler projected
|
Product |
Collection Type |
Collect Mode |
Nominal Scene Size |
Azimuth Resolution |
Slant Range Resolution |
Look Angle Range |
|
Spot SLC |
Spotlight Ultra |
Spotlight |
5 km x 5 km |
0.25 m |
0.25 m / 0.3 m |
15° to 50° |
| Spotlight |
0.5 m |
|||||
|
Site SLC |
Spotlight Wide |
Sliding Spotlight |
10 km x 20 km |
1.0 m |
0.5 m |
|
|
Strip SLC |
Stripmap - 20 / 50 / 100 |
Stripmap |
5-8 km x 20 / 50 / 100 km |
1.2 m |
0.75 m |
Geocoded Terrain Corrected (GEO)
- Contains amplitude information only
- Range-compressed, detected, focused and multi-looked SAR image
- Multi-look techniques applied to enhance radiometric resolution
- Terrain-height corrected using a high-resolution Digital Elevation Model (DEM)
- UTM-WGS84 map projection
|
Product |
Collection Type |
Collect Mode |
Nominal Scene Size |
Azimuth Resolution |
Ground Range Resolution |
Look Angle Range |
|
Spot GEO |
Spotlight Ultra |
Spotlight |
5 km x 5 km |
0.5 m |
0.4 m to 1.3 m |
15° to 50° |
| Spotlight |
1.0 m |
|||||
|
Site GEO |
Spotlight Wide |
Sliding Spotlight |
5 km x 10 km |
1.0 m |
0.7 m to 2.3 m |
|
|
Strip GEO |
Stripmap - 20 / 50 / 100 |
Stripmap |
5 km x 20 km |
1.2 m |
1.1 m to 3.3 m |