Research Article
Modelling Forest Aboveground Biomass Based on GF-3 Dual-Polarized and WorldView-3 Data: A Case Study in Datong National Wetland Park, China
Table 2
GF-3 imaging modes and corresponding technical specifications.
| | Image mode | Nominal resolution (m) | Bandwidth (km) | Polarization mode |
| | Spotlight mode | SL | 1 | 10 | Single |
| | Strip imaging | Super fine (UFS) | 3 | 30 | Single | | Fine stripI (FSI) | 5 | 50 | Dual | | Fine stripII (FSII) | 10 | 100 | Dual | | Standard strip (SS) | 25 | 130 | Dual | | Quad-polarization stripmapI (QPSI) | 8 | 30 | Quad | | Quad-polarization stripmapII (QPSII) | 25 | 40 | Quad |
| | ScanSAR | Narrow (NSC) | 50 | 300 | Dual | | Wide (WSC) | 100 | 500 | Dual | | Global | 500 | 650 | Dual |
| | Wave imaging | 10 | 5 | Quad |
| | Extended incidence angle | Low incidence angle | 25 | 130 | Dual | | High incidence angle | 25 | 80 | Dual |
|
|
