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多站無(wú)源時(shí)差定位可觀測(cè)性分析

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摘  要:對(duì)時(shí)差定位體制下的多站無(wú)源定位跟蹤系統(tǒng)的可觀測(cè)性進(jìn)行分析。先在理想測(cè)量模式下,使用代數(shù)方程唯一解對(duì)可觀測(cè)問(wèn)題進(jìn)行分析,得到多觀測(cè)器條件下目標(biāo)可觀的最少觀測(cè)器數(shù)目;另外,考慮實(shí)際系統(tǒng)的傳感器和導(dǎo)航設(shè)備測(cè)量誤差,給出了目標(biāo)不可觀測(cè)時(shí)的多觀測(cè)器運(yùn)動(dòng)方程約束。

關(guān)鍵詞:多站無(wú)源定位;時(shí)差定位;可觀測(cè)性

中圖分類號(hào):TN953       文獻(xiàn)標(biāo)志碼:A          文章編號(hào):2095-2945(2022)03-0069-03

Abstract: The observability of multi-station passive location and tracking system under time difference location system is analyzed. Firstly, in the ideal measurement mode, the observable problem is analyzed by using the unique solution of algebraic equation, and the minimum number of observable observers under the condition of multiple observers is obtained. in addition, the measurement errors of sensors and navigation equipment in the actual system are considered and the motion equation constraint of multi-observer is given in case of the unobservability of the target.

Keywords: multi-station passive location; time difference location; observability

在無(wú)源定位跟蹤系統(tǒng)中,可觀測(cè)性分析已經(jīng)成為一個(gè)重要的研究?jī)?nèi)容,是實(shí)現(xiàn)無(wú)源定位跟蹤的前提,只有當(dāng)目標(biāo)狀態(tài)完全可觀測(cè)時(shí),定位跟蹤問(wèn)題才有唯一可靠的解[1-2]。(剩余2778字)

目錄
monitor