上海微波设备研究所
纸质出版:1986
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[1]冯忠华.测向Butler矩阵的一般设计方法[J].电子学报,1986(05):37-42.
Feng Zhong-hua. A Generalized Design Method of DF Butler Matrix[J]. Acta Electronica Sinica, 1986, (5): 37-42.
本文利用扩阵技术
提出了具有测向所需特殊传输相位特性的微波π桥Butler矩阵的一般设计方法。根据90°桥与π桥之间的等效相位关系
给出π桥矩阵与90°桥矩阵间的转换技术。通过移相器的移除和归并
能使矩阵的元件数和相移量显著下降
有利于宽带测向应用。
A generalized design method of microwave π-hybrid Butler matrix with special transfer phase characteristics for direction finding applications is provided by matrix extending technique. Based on the equivalent relation between π-hybrid and π/2-hybrid circuits
a transformation procedure between π-hybrid matrix and π/2-hybrid matrix is given. Making phases shifters eliminated or merged
the number of components and phase shift values used in the matrix circuits would have a significant decrease
which is quite helpful to windband DF application.
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