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研究了双层Y形缝隙谐振表面应用于雷达罩FSS设计时罩壁结构的平面波传输特性，分析讨论了几种不同双层结构频率特性的差异并得到结论，嵌于介质层之间的FSS结构可以获得较为稳定的谐振带宽，并且能够有效地缩减双层FSS结构传输系数谐振区域中的凹沟。
The transmission characteristics of the plane wave propagating in the double-layer Y-shaped crack resonators applied to the cover wall structure of the FSS design of the radome are studied. The differences in the frequency characteristics of several different double-layer structures are analyzed and discussed. The FSS structure embedded between the dielectric layers A more stable resonant bandwidth can be obtained and the groove in the resonance region of the transmission coefficient of the double-layer FSS structure can be effectively reduced.