Analysis of the coaxial helical-groove slow-wave structure
Microwave Theory and Techniques, IEEE Transactions（2002）
摘要
A coaxial helical-groove structure is presented and analyzed in this paper. The dispersion equation and coupling impedance of the structure are given. Numerical calculations of the dispersion relation and coupling impedance with different structure dimensions are carried out. Calculated results indicate that the cold bandwidth of this structure can reach 60%, while the coupling impedance is more than 16 Ω. It is shown that the coaxial helical groove is a wide-band slow-wave structure with high-power capacity
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关键词
dispersion equation,structure dimensions,coaxial helical-groove slow-wave structure,dispersion (wave),wide-band structure,coupling impedance,slow wave structures,coaxial waveguides,helical waveguides,cold bandwidth,16 ohm,slow-wave structure,high-power capacity,dispersion relation,twt,conductors,dispersive equation,bandwidth,load flow,cutoff frequency,impedance,dispersion
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