Fig. 1. Process of electromagnetic energy amplification under wave-particle resonance

Fig. 2. Electromagnetic pulse energy amplification gain under wave-particle resonance

Fig. 3. Electron crossing gap model at high frequencies

Fig. 4. Schematic diagram of the composition principle of a particle acceleration system and its power measurement

Fig. 5. Configuration of the particle acceleration device

Fig. 6. Pulse source initial impulse voltage and current waveforms

Fig. 7. Pulse voltage and current waveforms after the pulse source is amplified

Fig. 8. Simulation results of plasma field and proton acceleration curves of spherical field acceleration electrodes

Fig. 9. Results of neutron measurements