S波段相对论Klystron双流放大器的粒子模拟
Particle simulation on S-band relativistic two-stream amplifier
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摘要: 相对论双流放大器是一种结构简单、高增益、高效率的高功率微波器件，它的主要作用机制是两个同心环形电子束之间的双流互作用。利用MAGIC粒子模拟程序，对S波段的相对论双流放大器进行了粒子模拟，研究了相对论双流放大器的双流互作用机制，进一步认识了作为相对论双流放大器的放大机制的双流不稳定性，为国内开展类似器件的研究打下了良好的基础。Abstract: The main principle of Relativistic Two-Stream Amplifier (RTSA) is the two-stream interaction mechanism. This two-stream interaction mechanism generates the two-stream instability. In the R TSA, there are two concentric circular beams and they propagate through the wave guide in the same direction. The energy exchanging is between the inner beam and outer beam, and the output power of microwave at the end cavity (output cavity) of RTSA is only pumped from the outer electron beam. The effect of inner beam supports the two-stream instability. And for a high power signal, the linear theory does not fit and the nonlinear theory is adopted. Using the MA GIC PIC simulation program, the author simulated the S-band RTSA, studied the two-stream interaction mechanism and deeply understood the two-str
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Key words:
- magic /
- pic simulation /
- elativistic two-stream amplifier(rtsa) /
- two-stream in stability /
- s-band
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