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提出了一种新的矩形波导缝隙阵列的单元形式-宽边偏置交叉缝，并采用全域正弦基Galerkin法对其散射特性和谐振特性进行了理论分析。数值结果表明：这种缝隙单元的散射作用与宽边偏置纵缝相似，二者均可以用等效传输线上的一个并联导纳来表示，但交叉缝的谐振长度比纵缝显著缩短，因而交叉缝阵列中单元间的互耦相对较弱，频带相对较宽。理论计算结果与实验测量数据的良好吻合验证了上述分析方法的准确性。
In this paper, a new unitary form of wide rectangular wave guide slot array with wide-brim offset cross-joints is proposed, and the scattering characteristics and resonance characteristics of the rectangular waveguide slot array are analyzed theoretically by the global sinusoidal Galerkin method. The numerical results show that the scattering function of the slot unit is similar to that of the broadside offset longitudinal slot, both of which can be expressed by a parallel admittance on the equivalent transmission line. However, the resonant length of the cross slot is significantly shorter than that of the longitudinal slot, thus Cross-slot array cross-cell mutual coupling is relatively weak, the band is relatively wide. The good agreement between the theoretical calculation results and the experimental measurement data verifies the accuracy of the above analysis method.