为了描述多枢纽选址与混合网络设计综合优化问题，引入了双层规划模型建立数学模型。
To express integrated optimization of multiple hubs location and mixed network design, a bi-level programming model was introduced for mathematical models.
本文给出既含无向边又含有向边混合单触点开关网络的拓扑分析与综合的直接方法。
This paper gives the direct approaches for topological analysis and synthesis of hybrid single contact switching networks which contain both undirected and directed edges.
针对混合调制信号，提出了一种基于网络综合的旁瓣抑制方法，设计了异型旁瓣抑制滤波器。
As for the combined signal, the sidelobe suppression method based on network synthesis is put forward and the irregular sidelobe suppression filter is designed.
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