{"title":"固定间隔平滑在GPS/DR组合导航系统中的应用","authors":"Yanjuan Yang, Z. Jin, W. Tian, Feng Qian","doi":"10.1109/ITSC.2003.1252641","DOIUrl":null,"url":null,"abstract":"This paper describes an application of R-T-S fixed interval optimal smoothing technique in GPS/DR integrated navigation system. Usually, a Kalman filter is used to estimate the navigation parameters of GPS/DR integrated navigation system. The precision of optimal smoothing is higher than that of Kalman filter from the theories point of view. So this paper uses R-T-S smoothing technique to test and evaluate GPS/DR integrated navigation system via post processing of navigation system via post processing of navigation data. The semi-physical simulation is implemented on computer with the static test data given by GPS and DR. The results show that R-T-S smoothing can effectively test and evaluate the GPS/DR integrated navigation system accuracy, and it is a valid post processing method.","PeriodicalId":123155,"journal":{"name":"Proceedings of the 2003 IEEE International Conference on Intelligent Transportation Systems","volume":"6 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2003-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":"{\"title\":\"Application of fixed interval smoothing to GPS/DR integrated navigation system\",\"authors\":\"Yanjuan Yang, Z. Jin, W. Tian, Feng Qian\",\"doi\":\"10.1109/ITSC.2003.1252641\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper describes an application of R-T-S fixed interval optimal smoothing technique in GPS/DR integrated navigation system. Usually, a Kalman filter is used to estimate the navigation parameters of GPS/DR integrated navigation system. The precision of optimal smoothing is higher than that of Kalman filter from the theories point of view. So this paper uses R-T-S smoothing technique to test and evaluate GPS/DR integrated navigation system via post processing of navigation system via post processing of navigation data. The semi-physical simulation is implemented on computer with the static test data given by GPS and DR. The results show that R-T-S smoothing can effectively test and evaluate the GPS/DR integrated navigation system accuracy, and it is a valid post processing method.\",\"PeriodicalId\":123155,\"journal\":{\"name\":\"Proceedings of the 2003 IEEE International Conference on Intelligent Transportation Systems\",\"volume\":\"6 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2003-12-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"7\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the 2003 IEEE International Conference on Intelligent Transportation Systems\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ITSC.2003.1252641\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 2003 IEEE International Conference on Intelligent Transportation Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ITSC.2003.1252641","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Application of fixed interval smoothing to GPS/DR integrated navigation system
This paper describes an application of R-T-S fixed interval optimal smoothing technique in GPS/DR integrated navigation system. Usually, a Kalman filter is used to estimate the navigation parameters of GPS/DR integrated navigation system. The precision of optimal smoothing is higher than that of Kalman filter from the theories point of view. So this paper uses R-T-S smoothing technique to test and evaluate GPS/DR integrated navigation system via post processing of navigation system via post processing of navigation data. The semi-physical simulation is implemented on computer with the static test data given by GPS and DR. The results show that R-T-S smoothing can effectively test and evaluate the GPS/DR integrated navigation system accuracy, and it is a valid post processing method.
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