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zuhedaohang,zheyiyijisuanjiweihexindexianjinjishu,tongguozonghechuliduogedaohangchuanganqideshuju,yunyongzuiyouhuashuxuesuanfa,congerdechuzonghedaohangjieguo。zheyijiejuefanganzaidangjinfuzaduobiandedaohanghuanjingzhongxiandeyouweizhongyao,weixiandaidaohangtigonglegaoxiao、精準的支撐。
組合導航的必要性
慣性導航係統的優缺點
大多數組合導航係統主要以慣性導航係統為核心。慣性導航係統能neng夠gou提ti供gong豐feng富fu的de導dao航hang參can數shu和he全quan姿zi態tai信xin息xi,這zhe是shi其qi他ta導dao航hang係xi統tong所suo無wu法fa比bi擬ni的de。同tong時shi,它ta還hai具ju有you出chu色se的de隱yin蔽bi性xing和he不bu受shou外wai界jie幹gan擾rao的de特te性xing,進jin一yi步bu增zeng強qiang了le其qi獨du特te性xing。
然而,慣導係統也存在一些不足,如定位誤差隨時間積累。
衛星導航的補充作用
為wei了le克ke服fu這zhe些xie不bu足zu,我wo們men需xu要yao借jie助zhu其qi他ta導dao航hang係xi統tong進jin行xing組zu合he補bu充chong和he修xiu正zheng。衛wei星xing導dao航hang係xi統tong以yi其qi高gao精jing度du和he全quan天tian候hou工gong作zuo的de特te點dian,成cheng為wei了le現xian代dai組zu合he導dao航hang中zhong不bu可ke或huo缺que的de一yi部bu分fen。因yin此ci,現xian代dai組zu合he導dao航hang多duo數shu情qing況kuang下xia是shi衛wei星xing導dao航hang與yu慣guan性xing導dao航hang的de融rong合he。
組合導航的數據處理方法
卡爾曼濾波算法
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