Research Article

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

Figure 8

Azimuth pattern comparison of the internal calibration method (ICM) to the near-field method (NFM). (a) Boresight beam; (b) Beam broadening 1.7 times. The inserts are the zoomed plots of the main lobe.
(a)
(b)