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自跟踪差模耦合器对主信道的传输效率、极化轴比、反射系数、极化隔离均有影响。这些性能测试的手续是很麻烦的、在调试差模耦合器的过程中,反复测试这些性能是非常少慢差费的事情。本文推导了特殊位置的反射系数对这些性能的影响的计算式,而反射系数的测量是非常简便的,由此得到了由该反射系数作为所有上述性能的质量显示的简便设计与调试方法。
Since the tracking differential mode coupler on the main channel transmission efficiency, polarization axis ratio, reflection coefficient, polarization isolation are affected. The procedures for these performance tests are cumbersome, and testing these properties over and over again during a debug differential-mode coupler is a much less complicated task. In this paper, the calculation formulas of the influence of the reflection coefficient at special positions on these performances are deduced. The measurement of the reflection coefficient is very simple, and the simple design and debugging method of the reflection coefficient as the quality of all the above performances is obtained.