Fig. 1. Phase calibration flow of the presented modified REV method

Fig. 2. Schematic diagram of electrical vector changes during modified REV method.

Fig. 3. The simulation results of far field.

Fig. 4. The statistical results of calibrated main lobe

Fig. 5. Histograms of the calibrated antennas phases in four typical cases

Fig. 6. Experiment installation

Fig. 7. The experimental far field