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基于STK/Matlab的地面站選址與衛星可見(jiàn)性仿真分析
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中國電子科技集團公司 第五十四研究所

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Ground Stations Site Selection and Satellite Visibility Based on STK/Matlab
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    摘要:

    隨著(zhù)我國航天事業(yè)迅猛發(fā)展,在軌運行衛星數量急劇增加,有限的航天測控資源難以滿(mǎn)足日益增長(cháng)的測控需求。因此,基于網(wǎng)格球頂相控陣天線(xiàn)技術(shù)及現有地面測控站數學(xué)結構,提出了符合實(shí)際工程需求的半橢球面共形相控陣陣列地面測控站模型,通過(guò)STK/Matlab聯(lián)合仿真,以衛星兩行數作為目標庫進(jìn)行數據采集,通過(guò)地球坐標系與子陣視線(xiàn)坐標系實(shí)現數據轉換,以此探討地面站選址與中國現役衛星之間的可見(jiàn)性關(guān)系。仿真結果表明,在海拔一致的情況下,緯度和經(jīng)度均與衛星可見(jiàn)性成正相關(guān)關(guān)系。同時(shí),實(shí)驗結果為全國范圍內地面站測控站工作積累科學(xué)數據,為后續相控陣陣列天線(xiàn)最大化利用提供數據基礎與應用支持。

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    With the rapid development of China's space industry, the number of satellites in orbit has increased dramatically, and the limited spaceflight measurement and control resources are difficult to meet the increasing demand for measurement and control. Therefore, based on the Geodesic Dome Phased Array Antenna (GDPAA) technology and the mathematical structure of the existing ground measurement and control station, a semi-ellipsoidal conformal phased array ground measurement and control station model that meets the actual engineering requirements is proposed. Co-simulation by Satellite Tool Kit (STK) and Matlab, the number of the satellite Two-Line Orbital Element (TLE) is taken as the target library for data acquisition, and the data conversion is realized through the Earth coordinate system and the sub-array line-of-sight coordinate system to discuss the visible relationship between the ground station location and the active satellites in China. The simulation results show that the visibility relationship between the ground station location and the Chinese active satellites is very good at the sea level. The simulation results show that both latitude and longitude are positively correlated with satellite visibility when elevation is the same. Meanwhile, the experimental results accumulate scientific data for the work of ground station measurement and control stations nationwide and provide data basis and application support for the subsequent maximization of phased array antenna utilization.

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史鵬程,吳海洲,孔永飛,武昭希.基于STK/Matlab的地面站選址與衛星可見(jiàn)性仿真分析計算機測量與控制[J].,2024,32(1):282-289.

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  • 收稿日期:2023-09-28
  • 最后修改日期:2023-11-01
  • 錄用日期:2023-11-02
  • 在線(xiàn)發(fā)布日期: 2024-01-29
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