Fig. 1. Time-frequency characteristics of UWB pulse sequence at T=1 ns and f_prf=1 MHz

Fig. 2. Block diagram of the RF front-end of the navigation receiver

Fig. 3. Schematic diagram of nonlinear compression of amplifier

Fig. 4. Schematic diagram of distributed UWB pulse jamming system

Fig. 5. Schematic of Marx circuit

Fig. 6. Core circuit of UWB electromagnetic pulse source

Fig. 7. UWB output waveform after 60 dB attenuation

Fig. 8. LNA jamming effect experiment

Fig. 9. Constellation design

Fig. 10. Multi-coverage of satellites