Fig. 1. Block diagram of the structure of the adaptive nulling antenna

Fig. 2. Results of power inversion anti-jamming

Fig. 3. Multiple simulation of the power inversion algorithm under saturation effect

Fig. 4. Experimental circuit diagram of PIN limiter

Fig. 5. PIN limiter insertion loss curve

Fig. 6. Effect of limiter on small signals

Fig. 7. Experimental waveforms, the pulse rise time is 10 ns for clipping action

Fig. 8. Simulation waveforms with UWB pulse applied to the limiter

Fig. 9. Diagram of combined injection result

Fig. 10. Flow chart of the experiment

Fig. 11. Pulse injection experimental platform

Fig. 12. Limiter insertion loss curve

Fig. 13. The analog signal in the normal state and the analog signal after passing through the PIN limiter

Fig. 14. Narrow-spectrum pulses before and after the limiter

Fig. 15. Input UWB pulses and output waveforms at different amplitudes

Fig. 16. Pulse before and after increase of rising edge