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采用点匹配法结合坐标变换分析了偏心全高铁氧体圆柱加载波导Y结环行器的特性,讨论了铁氧体圆柱相对于结中心的偏移对环行器性能产生的影响.由数值计算结果可见:(1)偏心铁氧体柱加载波导Y结环行器可被用作具有低插入损耗、小驻波和高隔离的高性能Y结隔离器;(2)非对称波导Y结环行器性能的非对称性可以通过偏移铁氧体柱加以校正.
The characteristics of circular Y-shaped circularly-loaded waveguide yoke with eccentric full-height ferrite were analyzed by point matching and coordinate transformation. The influence of the offset of ferrite cylindrical with respect to the center of the junction on the circulator performance was discussed. The numerical results show that: (1) Eccentric ferrite column loaded waveguide Y-junction circulator can be used as a high-performance Y-junction isolator with low insertion loss, small standing wave and high isolation; (2) Asymmetric waveguide Y The asymmetry of the junction circulator performance can be corrected by shifting the ferrite column.