不同經(jīng)驗(yàn)太陽(yáng)光壓模型對(duì)于北斗衛(wèi)星定軌的適用性分析
發(fā)布時(shí)間:2018-09-05 16:32
【摘要】:當(dāng)前的北斗衛(wèi)星導(dǎo)航系統(tǒng)尚缺乏合適的太陽(yáng)光壓模型,由GPS的ECOM模型衍生而來(lái)的多種經(jīng)驗(yàn)光壓模型常被用于北斗定軌中。從觀測(cè)值殘差、軌道內(nèi)、外符精度以及外推精度等方面比較分析了目前常用的4種經(jīng)驗(yàn)光壓模型對(duì)于北斗衛(wèi)星定軌的適用性。結(jié)果表明,不同(類型)衛(wèi)星適用不同的經(jīng)驗(yàn)光壓模型,但總體來(lái)看,9參數(shù)模型的適用性最差,而5參數(shù)和7參數(shù)模型的適用性相對(duì)較好。
[Abstract]:The current Beidou satellite navigation system lacks a suitable solar photovoltaic model, and many empirical photo-pressure models derived from GPS's ECOM model are often used in Beidou orbit determination. The applicability of four kinds of empirical photopressure models to the determination of Beidou satellite orbit is compared and analyzed from the aspects of residual value, orbit precision, extrapolation accuracy and so on. The results show that different types of satellites are suitable for different empirical photo-pressure models, but the applicability of the Y9 parameter model is the worst, while the applicability of the 5-parameter model and the 7-parameter model is relatively good.
【作者單位】: 信息工程大學(xué);西安測(cè)繪研究所地理空間工程國(guó)家重點(diǎn)實(shí)驗(yàn)室;北京衛(wèi)星導(dǎo)航中心;
【基金】:國(guó)家自然科學(xué)基金項(xiàng)目(41020144004A;41374019;41474015) 國(guó)家863計(jì)劃項(xiàng)目(2013AA122501)
【分類號(hào)】:P228
[Abstract]:The current Beidou satellite navigation system lacks a suitable solar photovoltaic model, and many empirical photo-pressure models derived from GPS's ECOM model are often used in Beidou orbit determination. The applicability of four kinds of empirical photopressure models to the determination of Beidou satellite orbit is compared and analyzed from the aspects of residual value, orbit precision, extrapolation accuracy and so on. The results show that different types of satellites are suitable for different empirical photo-pressure models, but the applicability of the Y9 parameter model is the worst, while the applicability of the 5-parameter model and the 7-parameter model is relatively good.
【作者單位】: 信息工程大學(xué);西安測(cè)繪研究所地理空間工程國(guó)家重點(diǎn)實(shí)驗(yàn)室;北京衛(wèi)星導(dǎo)航中心;
【基金】:國(guó)家自然科學(xué)基金項(xiàng)目(41020144004A;41374019;41474015) 國(guó)家863計(jì)劃項(xiàng)目(2013AA122501)
【分類號(hào)】:P228
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