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本文根据矩量法获得的缝隙口径场,介绍两个正交矩形波导公共宽边上中心斜缝的散射场和等效参量。考虑了波导壁的厚度,给出缝隙的散射场、散射参量、电压反射系数和等效阻抗。两个波导的尺寸可以相等或不等。计算了标准的X波段矩形波导(BJ100或WG16)的耦合缝隙等效参量,随倾角、频率和长度的变化关系,并与实验值进行了比较。结果表明两者吻合较好。
In this paper, according to the aperture caliber field obtained by the moment method, the scattering fields and equivalent parameters of the center wide slant slit on two common rectangular waveguides are introduced. The thickness of waveguide wall is considered, and the scattering field, scattering parameters, voltage reflection coefficient and equivalent impedance of the gap are given. The dimensions of the two waveguides can be equal or unequal. The equivalent parameters of the coupling gap of a standard X-band rectangular waveguide (BJ100 or WG16) are calculated and compared with the experimental values as a function of inclination, frequency and length. The results show that the two agree well.