Fig. 1. Locked phase difference of the mutual coupling oscillator varies with the bridge length

Fig. 2. Simplified model of high-efficiency mutual coupling phase-locked magnetron

Fig. 3. Equivalent circuit model

Fig. 4. Schematic diagram of double-tube high-efficiency mutual coupling phase-locked structure

Fig. 5. Electric field distributions of π phase difference mode at /2 and 0 phase difference mode, π- mode, π+ mode at /2时的π相位差模场分布图和 时的0相位差模、π-模、π+模场分布图

Fig. 6. Mode frequency varies with the bridge length, where the solid line represents the theoretical curve and the scattered points represent the simulation results , and the shadow part is the overlapping area

Fig. 7. Electronic phase space

Fig. 8. PIC results at 时的粒子模拟结果

Fig. 9. Output signal corresponding to different α不同对应的输出信号

Fig. 10. Fourier transform spectrum of the output signal corresponding to different α不同对应的输出信号傅里叶变换频谱

Fig. 11. Field distribution at each frequency peak in the spectrums corresponding to different 不同对应的频谱中各频率峰处的场分布

Fig. 12. PIC results at 时的粒子模拟结果