SAR Antenna Pattern Measurement by Internal Calibration Method for GF-3 Satellite

Figure 9

Elevation pattern comparison of the internal calibration method (ICM) to the near-field method (NFM) for typical observing modes. (a) Quad-pol stripmap mode (Q mode). (b) Wide quad-pol stripmap mode (WQ mode). (c) Fine stripmap mode (F mode).

(a)

(b)

(c)