在网络为无耗和半均匀损耗的情况下，本文讨论了宽带匹配网络等波纹增益函数的确定方法。
In this paper, the approaches for obtaining the equiripple gain function of broadband matching networks for lossless and semi-uniform lossy networks are discussed.
通过给出振型函数和相应的边界条件，半解析地确定了螺旋管扇形结构的各阶频率和振型。
The frequency and analytic vibration models can be semi analytically calculated by vibration function and boundry condition.
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