{"title":"可信惯性地形辅助导航(TITAN)","authors":"Tucker Haydon, Todd E. Humphreys","doi":"10.33012/2023.19409","DOIUrl":null,"url":null,"abstract":"The vertical synthetic aperture radar (VSAR) is proposed as a navigation sensor, and a companion navigation algorithm – Trusted Inertial Terrain-Aided Navigation (TITAN) – is introduced. The TITAN algorithm consumes vector range-Doppler measurements produced by a VSAR and correlates them against a local digital terrain elevation map with an extended Kalman filter, enabling accurate navigation without the need for GPS. The navigation accuracy of the VSAR/TITAN combination is quantified with post-processed flight data, and shown to be within 15 meters.","PeriodicalId":498211,"journal":{"name":"Proceedings of the Satellite Division's International Technical Meeting","volume":"4 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Trusted Inertial Terrain-Aided Navigation (TITAN)\",\"authors\":\"Tucker Haydon, Todd E. Humphreys\",\"doi\":\"10.33012/2023.19409\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The vertical synthetic aperture radar (VSAR) is proposed as a navigation sensor, and a companion navigation algorithm – Trusted Inertial Terrain-Aided Navigation (TITAN) – is introduced. The TITAN algorithm consumes vector range-Doppler measurements produced by a VSAR and correlates them against a local digital terrain elevation map with an extended Kalman filter, enabling accurate navigation without the need for GPS. The navigation accuracy of the VSAR/TITAN combination is quantified with post-processed flight data, and shown to be within 15 meters.\",\"PeriodicalId\":498211,\"journal\":{\"name\":\"Proceedings of the Satellite Division's International Technical Meeting\",\"volume\":\"4 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-10-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the Satellite Division's International Technical Meeting\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.33012/2023.19409\",\"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 Satellite Division's International Technical Meeting","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.33012/2023.19409","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The vertical synthetic aperture radar (VSAR) is proposed as a navigation sensor, and a companion navigation algorithm – Trusted Inertial Terrain-Aided Navigation (TITAN) – is introduced. The TITAN algorithm consumes vector range-Doppler measurements produced by a VSAR and correlates them against a local digital terrain elevation map with an extended Kalman filter, enabling accurate navigation without the need for GPS. The navigation accuracy of the VSAR/TITAN combination is quantified with post-processed flight data, and shown to be within 15 meters.
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