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利用印制电路技术实现窄壁耦合的定向耦合器可以按任意耦合比设计,它的特点是:高方向性,中等带宽,容易构造,设计方法简单而精确。
The design of narrow-walled directional coupler using printed circuit technology can be designed with arbitrary coupling ratio. Its characteristics are: high directivity, medium bandwidth, easy structure and simple and accurate design method.