DocumentCode
3065418
Title
Modified polar coordinates for ranging from Doppler and bearing measurements
Author
Johnson, G.W. ; Cohen, A.O. ; Ohlms, D. ; Shier, C.W.
Author_Institution
International Business Machines Corporation, Manassas, Virginia
Volume
8
fYear
1983
fDate
30407
Firstpage
907
Lastpage
910
Abstract
A novel set of coordinates for acoustic source location from doppler and bearing measurement histories is described. Simulation results for an Extended Kalman Filter (EKF) formulated in these new coordinates (modified polar) demonstrate accurate, consistent performance. Comparison with simulation results for an EKF formulated in Cartesian coordinates demonstrates that (i) modified polar coordinates provide a solution to a problem where Cartesian filters diverge, and (2) choice of coordinates for an EKF can strongly impact performance.
Keywords
Acoustic measurements; Convergence; Coordinate measuring machines; Filters; Frequency measurement; History; Noise measurement; Nonlinear equations; Position measurement; Velocity measurement;
fLanguage
English
Publisher
ieee
Conference_Titel
Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '83.
Type
conf
DOI
10.1109/ICASSP.1983.1172139
Filename
1172139
Link To Document