阅读说明：本技术 一种多频天线及移动终端 (multi-frequency antenna and mobile terminal ) 是由 薛亮 余冬 应李俊 侯猛 尤佳庆 于 2018-12-26 设计创作，主要内容包括：本申请提供了一种多频天线及移动终端,该天线包括：馈电线与所述馈电线连接的辐射单元,还包括,第一陷波结构,位于所述辐射单元一侧且与所述辐射单元耦合连接；第二陷波结构,位于所述第一陷波结构远离所述辐射单元一侧,且所述第二陷波结构远离所述辐射单元的一端接地；所述第一陷波结构可选择的与地或所述第二陷波结构连接,且在所述第一陷波结构与所述第二陷波结构连接时,所述第一陷波结构通过第一调谐器件与所述第二陷波结构连接。在上述技术方案中,通过设置的第一陷波结构与第二陷波结构与地之间可选择的连接,从而可以改善陷波结构自身的谐振,进而可以改善天线不同频段的通信效果,提高了天线的通信效果。(The application provides a multi-frequency antenna and a mobile terminal, the antenna includes a feeding line, a radiation unit connected with the feeding line, an notch structure located at the side of the radiation unit and coupled with the radiation unit, a second notch structure located at the side of the notch structure far away from the radiation unit , and the end of the second notch structure far away from the radiation unit is grounded, the notch structure is selectively connected with ground or the second notch structure, and when the notch structure is connected with the second notch structure, the notch structure is connected with the second notch structure through a tuning device.)