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中文摘要：
设计了一种带新型非对称反射腔的同轴相对论返波振荡器，实现了X波段的双频稳定输出。利用CHIPIC2．5维粒子模拟软件进行粒子模拟研究。仿真结果表明，在强流电子束电压为480kV，电流为7．5kA，引导磁场为2．7T的条件下，得到稳定的双频输出，频率分别为8．7GHz，9．4GHz，平均功率800Mw，效率22．2％。
英文摘要：
A dual-band coaxial relativistic backward wave oscillator （CRBWO） with a dissymmetric reflection cavity was designed and simulated with software CHIPIC2.5. The dual-frequency stable output at X-band was realized. The simulation result shows that with electron beams of 480 kV and 7.5 kA guided by a magnetic field of 2.7 T, the stable dual-frequency microwave output of 8.7 GHz and 9.4 GHz at X-band is obtained, whose average power is 800 MW and average power effi-ciency is 22.2%.
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3D PIC Method for Modeling and Simulating the Beam Transport System of a Linear Induction Accelerato
Reflection Characteristics of Layered Media in Polar Mesopause Related to Polar Mesosphere Summer Ec
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