MILO中场不稳定性的非线性发展及混沌行为
Nonlinear evolution of instability and chaotic behavior of the radiation field in MILO
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摘要: 以磁绝缘传输线振荡器中电子运动和辐射场演化方程为基础，分析了场与电子相互作用过程中的不稳定性。这种不稳定性的发展导致场出现极限环振荡和混沌。在软非线性区域，辐射场表现为不连续的极限环振荡；在硬非线性区域，辐射场表现为连续的混沌行为。控制失谐量可加速或抑制这些不稳定态的出现。优化和调节参数可控制器件的运行状态, 获得较高的输出功率。
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关键词:
- 磁绝缘传输线振荡器(MILO) /
- 辐射场 /
- 不稳定性 /
- 极限环 /
- 混沌
Abstract: In terms of the equations describing motion of the electron and evolution of the radiation field, the instabilities existed in the interaction process of electrons and the field are analyzed. The results show that the development of the instability leads to the limit cycle oscillation and chaotic behavior of the radiation field. In the soft nonlinear regime, the radiation field is characterized by intermittent limit cycle oscillation; In the hard nonlinear regime, the radiation field is characterized by continuous chaotic behavior. The appearing of the unsteady states may be accelerated and repressed by the detuning. Higher output power can be obtained by optimizing the parameters. -
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