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本文用多横网络的方法,从表面波对非均匀介质结构散射的观点研究了具有曲线过渡段的介质波导分支定向耦合器的耦合问题。着重讨论了曲线过渡波导及其它不连续性所产生的辐射对耦合器性能的影响。文中给出的各种曲线可供设计耦合器时参考。
In this paper, we use the method of multi-lateral network to study the coupling problem of branching directional couplers with curved transitions from the viewpoint of surface wave scattering of inhomogeneous structures. The effect of the radiation generated by the curve transition waveguide and other discontinuities on the performance of the coupler is highlighted. The various curves presented in this paper are available for reference when designing a coupler.