高超声速飞行器GNSS天线布局评估方法

2018 Eighth International Conference on Instrumentation & Measurement, Computer, Communication and Control (IMCCC) Pub Date : 2018-07-01 DOI:10.1109/IMCCC.2018.00265

Ruihong Wang, Yongliang Wu, Youmin Gong

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引用次数: 0

摘要

由于高超声速飞行器的高速度、大姿态机动和宽包络，不合理的天线布局将导致卫星导航性能不佳，如接收到的GNSS卫星数量减少，甚至无法定位。针对这一问题，提出了一种高超声速飞行器GNSS天线布局评估方法。建立了基于STK/Matlab的高超声速飞行器任务仿真与GNSS天线布置图评估环境，包括飞机的典型弹道和姿态数据、导航卫星星座以及两种不同的天线布置图模型，对方法进行了验证。分析了两种天线布局的优缺点。在此基础上，通过计算GNSS接收机的接收卫星数和PDOP，找到满足飞行安全和任务要求的天线布局。

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A GNSS Antenna Layout Evaluation Method for Hypersonic Vehicle

Due to hypersonic vehicle's high velocity, large attitude maneuver and wide envelope, unreasonable antenna layout will lead to bad performance of satellite navigation, such as the reduction of received GNSS satellite numbers or even non-positioning. In this paper, a GNSS antenna layout evaluation method for hypersonic vehicle is proposed to handle this problem. A hypersonic vehicle mission simulation and GNSS antenna layout evaluation environment based on STK/Matlab is established to validate the method, including the aircraft's typical trajectory and attitude data, navigation satellite constellation, and two different antenna layout models. The advantages and disadvantages of the two antenna layouts are analyzed. Based on the proposed method, the proper antenna layout which meets the flight safety and mission requirements is found out by calculating the receiving satellite numbers and PDOP of the GNSS receiver.

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来源期刊

2018 Eighth International Conference on Instrumentation & Measurement, Computer, Communication and Control (IMCCC)

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