本文设计了一个4阶带通数字滤波器。
带通采样速率选取是软件无线电技术的关键问题之一。
Selection of band-pass sampling rate is a key problem of the software radio technology.
然而近代电子学对调谐的频率范围很宽的带通放大器提出很多要求。
There is a great deal of demand in modern electronics, however, for bandpass amplifiers .
采用模匹配技术对带通型频率选择表面进行分析，其中单元内的场用有限元法解出。
In this paper, band pass frequency selective surface was analyzed by mode matching technology.
采用模匹配技术对带通型频率选择表面进行分析，其中单元内的场用有限元法解出。
In this paper, band pass frequency selective surface was analyzed by mode matching technology.
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