two-hole coupler

This utility model comprises two outer bound edges, two inner bound edges and an inner tower, characterized in that the said outer bound edges are provided with a coupler plug;

本实用新型包括两个外包边、内包边和内架，其特征在于所述外包边的内端设有连接插头；

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The conclusion that circuit property of spherical four bar is decided by two configurations of spherical triangle which is composed of output link and coupler of spherical four bar is derived.

通过分析得出了球面四杆机构回路特性是由其输出构件与连杆所构成的球面三角形的两种构型决定的结论，提出了球面四杆机构的回路和分支识别的转角符号法；

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The sharp edge filtered output of approximating wideband was realized by adding interference orders, adjusting the interference length of the two pairs of interference arms and coupling ratio of the coupler.

通过增加干涉级数和调整2对干涉臂的干涉长度和耦合器的耦合比，实现了逼近宽带陡沿的滤波输出。

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A Variable high power directional coupler for S band is described in this paper. The coupler consists of two 3 dB couplers mounted in cascade and a phase shifter. inserted between the connecting legs of the 3 dB couplers.

文章介绍了由两个3dB耦合器串联，并在其中两个输出支路插入移相器所组成的S波段高功率可变定向耦合器。

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