zhang yong, mo yuan long, li jian qing, et al. Study of helical slowwave structures with vaneloaded taking account of the radial thickness of the helix[J]. High Power Laser and Particle Beams, 2003, 15.
Citation:
zhang yong, mo yuan long, li jian qing, et al. Study of helical slowwave structures with vaneloaded taking account of the radial thickness of the helix[J]. High Power Laser and Particle Beams, 2003, 15.
zhang yong, mo yuan long, li jian qing, et al. Study of helical slowwave structures with vaneloaded taking account of the radial thickness of the helix[J]. High Power Laser and Particle Beams, 2003, 15.
Citation:
zhang yong, mo yuan long, li jian qing, et al. Study of helical slowwave structures with vaneloaded taking account of the radial thickness of the helix[J]. High Power Laser and Particle Beams, 2003, 15.
The vaneloaded helical slowwave structures is widely used in high power, broadband travelingwave tubes (TWT's). Taking the radial thickness of the helix into account, the tape helix model is suggested for the vaneloaded helical slowwave structures in this paper for the first time. By taking the discrete supports bars into some continuous dielectric tube regions, the dispersion equations and the expressions of interaction impedance are obtained. Besides, the radial propagation constant of every layer in the dielectricloaded region is differentiated. Some helical slowwave structures of TWT are calculated by the derived equations, and the calculated results accord with measured values very well. Compared with measured values, the calculated results of the model considering the r
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