CN201278367Y - 一种3500MHz65°双极化板状天线 - Google Patents
一种3500MHz65°双极化板状天线 Download PDFInfo
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- CN201278367Y CN201278367Y CNU200820080076XU CN200820080076U CN201278367Y CN 201278367 Y CN201278367 Y CN 201278367Y CN U200820080076X U CNU200820080076X U CN U200820080076XU CN 200820080076 U CN200820080076 U CN 200820080076U CN 201278367 Y CN201278367 Y CN 201278367Y
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Abstract
本实用新型公开了一种3500MHz65°双极化板状天线，由底板上分布偶极子辐射单元，偶极子辐射单元通过馈电电缆和底板背面的馈电网络连接而成，在底板上沿长度方向的轴线上，多个偶极子辐射单元分布在底板表面；所述多个偶极子辐射单元的每个偶极子辐射单元均包括一对平衡的正交偶极子，所述正交偶极子与轴线之间所形成的预定角度为±45°，形成交叉的偶极子对组成的偶极子辐射单元。本实用新型采用寄生元件使得初级磁场在寄生元件上感应出电流，该电流再发射出次极电磁场与初级电磁场部分抵消，以改善隔离性能。
Description
技术领域
本实用新型涉及一种天线，特别是一种3500MHz65°双极化板状通讯用天线。
背景技术
在城市密集地区，为了减少对邻区的干扰，多采用65°天线。但因为天线是绝缘的，唯一获得增益的方法是将辐射集中在某一个方向上。受服务区形状、范围、信道数量等条件的影响，未能从改变外部条件从而进一步使天线的增益变大，扩大天线信号的覆盖面。
实用新型内容
本实用新型提供了一种具有隔离性能好、驻波性能小于1.5的3500MHz65°双极化板状通讯用天线。
为了解决以上技术问题，本实用新型的一种3500MHz65°双极化板状天线，由底板上分布偶极子辐射单元，偶极子辐射单元通过馈电电缆和底板背面的馈电网络连接而成，在所述底板上沿长度方向的轴线上，多个偶极子辐射单元分布在底板表面；所述多个偶极子辐射单元的每个偶极子辐射单元均包括一对平衡的正交偶极子，所述正交偶极子与轴线之间所形成的预定角度为±45°，形成交叉的偶极子对组成的偶极子辐射单元。
所述偶极子上固定馈电电缆，电缆的绝缘体穿过偶极子的端面，内导体与焊接在偶极子上的跳片焊接连接。
所述底板上沿轴线方向垂直装有若干个寄生元件。
以上结构的优点在于：采用寄生元件使得初级磁场在寄生元件上感应出电流，该电流再发射出次极电磁场与初级电磁场部分抵消，以改善隔离性能。
附图说明
图1为本实用新型底板正面的结构示意图；
图2为本实用新型底板背面的结构示意图；
图3为本实用新型馈电电缆的结构示意图。
具体实施方式
如图1所示，本实用新型的一种3500MHz65°双极化板状天线，在所述底板1的正面沿长度方向的轴线上分布若干偶极子辐射单元2，每个偶极子辐射单元2均包括一对平衡的正交偶极子3，所述正交偶极子3与轴线之间所形成的预定角度为±45°，形成交叉的偶极子对组成的偶极子辐射单元2。每相邻两组偶极子辐射单元2之间的底板1上便固定一个沿轴线方向垂直的寄生元件9。偶极子辐射单元2通过在偶极子3上固定馈电电缆4。如图2、图3所示，馈电电缆4的绝缘体5穿过偶极子3的端面，内导体6与焊接在偶极子3上的跳片7焊接连接。馈电电缆4和底板1背面的馈电网络8连接，形成双极化板状天线。
Claims (3)
1、一种3500MHz65°双极化板状天线，由底板上分布偶极子辐射单元，偶极子辐射单元通过馈电电缆和底板背面的馈电网络连接而成，其特怔在于：在所述底板上沿长度方向的轴线上，多个偶极子辐射单元分布在底板表面；所述多个偶极子辐射单元的每个偶极子辐射单元均包括一对平衡的正交偶极子，所述正交偶极子与轴线之间所形成的预定角度为±45°，形成交叉的偶极子对组成的偶极子辐射单元。
2、根据权利要求1所述的一种3500MHz65°双极化板状天线，其特征在于：所述偶极子上固定馈电电缆，电缆的绝缘体穿过偶极子的端面，内导体与焊接在偶极子上的跳片焊接连接。
3、根据权利要求1所述的一种3500MHz65°双极化板状天线，其特征在于：所述底板上沿轴线方向垂直装有若干个寄生元件。
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| CNU200820080076XU CN201278367Y (zh) | 2008-04-21 | 2008-04-21 | 一种3500MHz65°双极化板状天线 |
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| CNU200820080076XU CN201278367Y (zh) | 2008-04-21 | 2008-04-21 | 一种3500MHz65°双极化板状天线 |
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| CN201278367Y true CN201278367Y (zh) | 2009-07-22 |
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