期刊
IEEE TRANSACTIONS ON ELECTRON DEVICES
卷 69, 期 12, 页码 7079-7082出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TED.2022.3218493
关键词
Frequency hopping; high-power microwave (HPM)
资金
- National High-Tech Research and Development Program
A novel high-power microwave oscillator with cross-band frequency hopping capability is introduced. By adjusting the distribution of the external magnetic field, high-power outputs at different frequencies can be achieved.
A novel cross-band frequency hopping giga-watts (GWs) class high-power microwave (HPM) oscillator is proposed in this brief, which consists of an inner Ku-band coaxial oscillator, an outer X-band coaxial oscillator, a beam transfer channel, and an extraordinary external magnetic field system. Compared with ordinary design, the external magnetic field of this device is generated by three closely spaced solenoids. Through the adjustment of the current passing through each solenoid, two kinds of magnetic field distribution can be generated, each guides the beams into a separate frequency beam-wave interaction region. The preliminary particle-in-cell (PIC) simulation results were as follows: when the currents passing through the three solenoids were the same of 700 A, a HPM output with a frequency of 14.4 GHz, and a power of 1. 5 GW was obtained, achieving a power efficiency of 37%; when the three solenoid currents were 1800 A, 225, and 460 A, respectively, a HPM output with a frequency of 8.2 GHz and a power of 1.6 GW was obtained, achieving a power efficiency of 40%.
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