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本文对研制的正交极化隔离器进行了理论分析。考虑了对高次模和反射波的抑制后,我们设计了一极化隔离器。测试结果表明:对两个波段的频率f_1和f_2(f_1>f_2),驻波系数小于1.2的带宽分别为2％和5％;插入损耗小于0.5dB。它可以作为频率复用或极化复用天线的一个实施方案。根据这种分析方法,提出在毫米波波段有条件地使用厘米波段的波导作馈线的可能性。
In this paper, the theoretical analysis of the developed orthogonal polarization isolator. After considering the suppression of higher mode and reflected waves, we designed a polarization isolator. The test results show that the bandwidths of VSWR less than 1.2 are 2% and 5% respectively for the frequencies f_1 and f_2 of the two bands (f_1> f_2); the insertion loss is less than 0.5dB. It can be used as one of the frequency multiplexing or polarization multiplexing antennas. According to this method of analysis, the possibility of using a centimeter-band waveguide as a feeder in the millimeter wave band conditionally is proposed.