以下为句子列表：
英文: And on this basis, the finite element model of case typed radar antenna structure integrated with plate unit and entity unit was established on the basis of handling method of coupling and constraint equations.
中文: 并在此基础上，基于耦合和约束方程处理方法，建立了板单元和实体单元相结合的箱体式雷达天线结构有限元模型。
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英文: The present invent ion utilizes the top loading technique and the smooth tapering technique to create the design of a compact and built-in antenna which will provide a planar antenna structure with broad bandwidth and high radiation efficiency.
中文: 馈入传输线的宽度大致与渐变带段的底边同宽，且顶边与渐变带段的底边密接，而底边藕接至频电路。
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