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随着无线通信技术的发展,具有短距离高速无线通信优势的超宽带(UWB)技术已成为现代无线通信领域研究的热点。由于超宽带系统频带与其他系统频带重叠而相互干扰,设计具有陷波特性的超宽带天线具有重要的意义。文章结合近年来超宽带天线研究的重难点,简要概括超宽带天线的技术背景,着重介绍带有陷波特性的超宽带天线,最后对超宽带天线的发展趋势进行了展望。
With the development of wireless communication technology, ultra-wideband (UWB) technology with the advantage of short-range high-speed wireless communication has become a hot spot in the field of modern wireless communication. Because the UWB system frequency band overlaps with other system bands and interfere with each other, it is of great importance to design the UWB antenna with notch characteristics. In this paper, we summarize the technical background of UWB antenna and introduce the UWB antenna with notch characteristics. Finally, the development trend of UWB antenna is forecasted.