新型天基ADS-B系统可展开天线结构设计
发布时间:2019-05-28 16:27
【摘要】:设计了一种新型天基ADS-B系统可展开天线,该天线主要由多指向大尺寸螺旋天线构成。通过引入张紧绳并行分段固接、电热丝熔断释放等设计形式,实现大尺寸螺旋天线螺距及刚度的有效控制以及天线的压紧释放功能。经实测,该多波束ADS-B天线在低轨道对地视角范围内的增益满足链路需求,并支持两种主流的ADS-B数据交换格式(UAT模式(978MHz)和1090ES模式(1090MHz))。此外,该天线具有设计巧妙、结构简单、小型轻量,空间压缩比高及成本低等优点,在宇航领域具有广泛的应用前景。
[Abstract]:A new type of space-based ADS-B system expandable antenna is designed, which is mainly composed of multi-pointing large-size spiral antenna. The effective control of pitch and stiffness of large size spiral antenna and the compression release function of large size spiral antenna are realized by introducing parallel piecewise fastening of tension rope and electric hot wire fuse release. The measured results show that the gain of the multi-beam ADS-B antenna in the low orbit ground view range meets the link requirements and supports two mainstream ADS-B data exchange formats (UAT mode (978MHz) and 1090ES mode (1090MHz). In addition, the antenna has many advantages, such as ingenious design, simple structure, small weight, high space compression ratio and low cost, so it has a wide range of application prospects in the field of aerospace.
【作者单位】: 上海航天电子技术研究所;
【分类号】:TN820
[Abstract]:A new type of space-based ADS-B system expandable antenna is designed, which is mainly composed of multi-pointing large-size spiral antenna. The effective control of pitch and stiffness of large size spiral antenna and the compression release function of large size spiral antenna are realized by introducing parallel piecewise fastening of tension rope and electric hot wire fuse release. The measured results show that the gain of the multi-beam ADS-B antenna in the low orbit ground view range meets the link requirements and supports two mainstream ADS-B data exchange formats (UAT mode (978MHz) and 1090ES mode (1090MHz). In addition, the antenna has many advantages, such as ingenious design, simple structure, small weight, high space compression ratio and low cost, so it has a wide range of application prospects in the field of aerospace.
【作者单位】: 上海航天电子技术研究所;
【分类号】:TN820
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