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基于星間可見(jiàn)性的振動(dòng)監測可視化仿真研究
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上海大學(xué)通信與信息工程學(xué)院

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上海市2022年度“科技創(chuàng )新行動(dòng)計劃”高新技術(shù)領(lǐng)域項目(22511100502)


Research on Visualization Simulation of Vibration Monitoring Based on Inter-satellite Visibility
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    摘要:

    星間激光通信已經(jīng)成為現如今的發(fā)展熱潮,星間鏈路容易受到外界環(huán)境或衛星本體的振動(dòng)影響,致使通信質(zhì)量受損;在衛星的軌道建模以及可視化領(lǐng)域,傳統方案極少引入衛星平臺振動(dòng)對鏈路的影響,無(wú)法滿(mǎn)足未來(lái)星網(wǎng)仿真的需求;為反應星間鏈路通信過(guò)程中平臺振動(dòng)對其的影響,提出了星間激光鏈路狀態(tài)模型,主要對地心角、激光功率、以及平臺振動(dòng)等主要參數進(jìn)行了研究;實(shí)驗驗證了星間可見(jiàn)性方法的計算準確性和功能有效性,分別對方位角、俯仰角、星間距離進(jìn)行誤差對比驗證,其中方位角和俯仰角誤差控制在30μrad以?xún)龋情g距離誤差控制在110m以?xún)龋⑼ㄟ^(guò)振動(dòng)疊加實(shí)驗,驗證了衛星平臺振動(dòng)對鏈路干擾的程度,較好的還原星間鏈路的真實(shí)情況。

    Abstract:

    Inter-satellite laser communication has become a development boom nowadays, and inter-satellite links are easily affected by the vibration of the external environment or the satellite body, resulting in damage to the communication quality. In the field of satellite orbit modeling and visualization, traditional solutions rarely introduce the influence of satellite platform vibration on the link, which cannot meet the needs of future star network simulation. In order to reflect the influence of platform vibration during inter-satellite link communication, an inter-satellite laser link state model is proposed, which mainly studies the main parameters such as geocentric angle, laser power and platform vibration. The calculation accuracy and functional effectiveness of the inter-satellite visibility method are verified by experiments, and the error comparison and verification of the azimuth angle, elevation angle and inter-star distance are respectively. The error of azimuth angle and elevation angle is controlled within 30 μrad, and the error of inter-satellite distance is controlled within 110m. Through vibration superposition experiment, the degree of satellite platform vibration interference to link is verified, and the real situation of inter-satellite link is well restored.

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劉金磊,曹炳堯,李正璇.基于星間可見(jiàn)性的振動(dòng)監測可視化仿真研究計算機測量與控制[J].,2023,31(9):297-304.

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歷史
  • 收稿日期:2023-04-10
  • 最后修改日期:2023-04-19
  • 錄用日期:2023-04-17
  • 在線(xiàn)發(fā)布日期: 2023-09-18
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