{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,10]],"date-time":"2026-04-10T01:11:10Z","timestamp":1775783470605,"version":"3.50.1"},"reference-count":35,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2018,5,27]],"date-time":"2018-05-27T00:00:00Z","timestamp":1527379200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"the Fundamental Research Funds for the Central Universities","award":["No.61703339, No.3102016ZB021"],"award-info":[{"award-number":["No.61703339, No.3102016ZB021"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Inspired by the problem that the current spatial registration methods are unsuitable for three-dimensional (3-D) sensor on high-dynamic platform, this paper focuses on the estimation for the registration errors of cooperative missiles and motion states of maneuvering target. There are two types of errors being discussed: sensor measurement biases and attitude biases. Firstly, an improved Kalman Filter on Earth-Centered Earth-Fixed (ECEF-KF) coordinate algorithm is proposed to estimate the deviations mentioned above, from which the outcomes are furtherly compensated to the error terms. Secondly, the Pseudo Linear Kalman Filter (PLKF) and the nonlinear scheme the Unscented Kalman Filter (UKF) with modified inputs are employed for target tracking. The convergence of filtering results are monitored by a position-judgement logic, and a low-pass first order filter is selectively introduced before compensation to inhibit the jitter of estimations. In the simulation, the ECEF-KF enhancement is proven to improve the accuracy and robustness of the space alignment, while the conditional-compensation-based PLKF method is demonstrated to be the optimal performance in target tracking.<\/jats:p>","DOI":"10.3390\/s18061723","type":"journal-article","created":{"date-parts":[[2018,5,29]],"date-time":"2018-05-29T02:58:18Z","timestamp":1527562698000},"page":"1723","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Improved Spatial Registration and Target Tracking Method for Sensors on Multiple Missiles"],"prefix":"10.3390","volume":"18","author":[{"given":"Xiaodong","family":"Lu","sequence":"first","affiliation":[{"name":"Institute of Precision Guidance and Control, Northwestern Polytechnical University, Xi\u2019an 710072, China"}]},{"given":"Yuting","family":"Xie","sequence":"additional","affiliation":[{"name":"Institute of Precision Guidance and Control, Northwestern Polytechnical University, Xi\u2019an 710072, China"}]},{"given":"Jun","family":"Zhou","sequence":"additional","affiliation":[{"name":"Institute of Precision Guidance and Control, Northwestern Polytechnical University, Xi\u2019an 710072, China"}]}],"member":"1968","published-online":{"date-parts":[[2018,5,27]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Li, M., Jing, Z., Hu, M., and Dong, P. 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