将本征函数法进行了推广，并结合传统方法的优点和经典的振动问题提出推广的本征函数法。
The generalization of eigenfunction, by combining the features of traditional methods with results of classical vibration problem is presented.
本文用谱域法结合本征函数技术分析了波导平面混合结构天线单元。
An element with mixture structure of waveguides and planar dielectric layers is analyzed using spectral domain approach and eigenfunction technique.
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