DocumentCode
2902613
Title
Modeling Earth´s gravitational gradients for GPS-free navigation
Author
Welker, Troy C. ; Huffman, Richard E. ; Pachter, M.
fYear
2013
fDate
17-19 June 2013
Firstpage
1602
Lastpage
1607
Abstract
A method is developed to estimate an aircraft´s navigation state using gravitational gradients calculated from a spherical harmonic model of the Earth, in concert with terrain elevation data, without using surveyed gravity information.
Keywords
aircraft navigation; terrain mapping; Earth gravitational gradients; GPS-free navigation; aircraft navigation state; spherical harmonic model; terrain elevation data; Atmospheric modeling; Data models; Earth; Gravity; Harmonic analysis; Kalman filters; Mathematical model; INS; accelerometer; cold atom interferometry; gravity gradiometry;
fLanguage
English
Publisher
ieee
Conference_Titel
American Control Conference (ACC), 2013
Conference_Location
Washington, DC
ISSN
0743-1619
Print_ISBN
978-1-4799-0177-7
Type
conf
DOI
10.1109/ACC.2013.6580064
Filename
6580064
Link To Document