Kalman filtering of FDOA/TDOA missile tracking system
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Authors
Lin, Heng Cho
Subjects
Advisors
Schleher, D. Curtis
Date of Issue
2001-03
Date
Publisher
Monterey, CA; Naval Postgraduate School
Language
Abstract
The accuracy of a tracking system designed to determine the time, space and position information (TSPI) of an airborne missile by detecting its telemetry signal at a number of receiver sites is investigated. Doppler frequency measurements are converted to range differences between the missile and receiver sites, whose locations are known in three dimensions. An algorithm then utilizes these range differences to obtain the missile TSPI. The accuracy of the TSPI is a function of the measurement precision and the signal-to-noise ratio at the receiver sites. This thesis examines the characteristics of the TSPI accuracy and investigates how a Kalman Filter can be used to enhance the accuracy of the TSPI. Kalman Filter, Range Difference of Arrival (RDOA), Time Difference of Arrival (TDOA), Frequency Difference of Arrival (FDOA)
Type
Thesis
Description
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NPS Report Number
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Format
xii, 51 p. ; 28 cm.
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.