【摘要】：針對(duì)北斗衛(wèi)星導(dǎo)航系統(tǒng)(BDS)完備性研究較少的現(xiàn)狀,該文提出了一種導(dǎo)航星歷中軌道觀測(cè)數(shù)據(jù)的完備性監(jiān)測(cè)新方法。采用軌道積分方法分析了北斗衛(wèi)星的軌道殘差均方根值;通過概率統(tǒng)計(jì)的方法,分別計(jì)算所有北斗衛(wèi)星的軌道殘差極限誤差值(告警限差),剔除誤差超限甚至粗差衛(wèi)星,實(shí)現(xiàn)事后軌道完備性監(jiān)測(cè)。另外通過比較分析剔除監(jiān)測(cè)標(biāo)記出的誤差衛(wèi)星之前和之后對(duì)測(cè)站精密單點(diǎn)定位的影響,驗(yàn)證完備性的風(fēng)險(xiǎn)性。最后通過實(shí)測(cè)數(shù)據(jù)對(duì)該算法進(jìn)行了驗(yàn)證和分析。實(shí)驗(yàn)結(jié)果表明:該算法可以實(shí)現(xiàn)衛(wèi)星軌道的監(jiān)測(cè)示警,標(biāo)記誤差衛(wèi)星,達(dá)到軌道完備性監(jiān)測(cè)效果。
[Abstract]:In view of the lack of research on (BDS) completeness of Beidou satellite navigation system, a new method for monitoring the completeness of orbit observation data in navigation ephemeris is proposed in this paper. The orbit residual RMS value of Beidou satellite is analyzed by orbit integral method. By using the method of probability and statistics, the limit error (alarm limit) of orbit residual error of all Beidou satellites is calculated, and the error overlimit or even gross error satellite is eliminated, and the orbit completeness monitoring is realized after the event. In addition, the risk of completeness is verified by comparing and analyzing the influence of error-eliminating satellites on the precise single-point positioning of the station. Finally, the algorithm is verified and analyzed by measured data. The experimental results show that the algorithm can realize the satellite orbit monitoring warning, marking error satellite, and achieve orbit completeness monitoring effect.
【作者單位】： 中國測(cè)繪科學(xué)研究院;四川省第一測(cè)繪工程院;黑龍江第一測(cè)繪工程院;
【分類號(hào)】：TN967.1

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