Research Article
Study on Zero-Doppler Centroid Control for GEO SAR Ground Observation
Table 1
System parameters of GEO SAR.
| Specification | Value |
| Semimajor axis | 42220000 m | Orbit inclination | 60 degrees | Orbit eccentricity | 0.02 | Argument of perigee | 90 degrees | Right ascension of ascending node | 40 degrees | Look angle | 2.5 degrees | Beam width | 0.48 degrees | Signal wavelength | 0.25 m | Antenna diameter | 30 m | Pulse repetition frequency | 250 Hz |
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