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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Xiaojun Yang Gang Liu Jinku Guo |
| Copyright Year | 2008 |
| Description | Author affiliation: Dept. of Autom., Tsinghua Univ., Beijing (Jinku Guo) || Res. Inst. of Hi-Tech, Xian (Xiaojun Yang; Gang Liu) |
| Abstract | The single observation passive location is the technique used by a single observation to determine the position and velocity of an emitter from the electromagnetic wave emitted by a target. The key point is how to obtain the position and the velocity of the emitter with high speed and precision. Up to now, two popular passive location methods have been put forward. They are Bearing-only (BO) and phase-difference rate of change (PRC) respectively. With adding the information of phase-difference rate of change, the latter performs distinctly better in the precision and the speed than the former. However, the PRC method has a bad performance and high requirement for the initial value when obtaining the position and the velocity simultaneously. This paper proposes a location and tracing algorithm based on the information of phase-difference, phase-difference rate of change and Doppler frequency rate of change. The algorithm can be used to estimate not only the position and the velocity of the fixed emitter, but also those of the moving single observation and target. The observability conditions and the error of the algorithm (called PFRC) are analyzed. Moreover, the simulation based on Extend Kalman Filter (EKF) shows that PFRC is superior in precision and speed. |
| Starting Page | 1309 |
| Ending Page | 1313 |
| File Size | 169654 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424423835 |
| ISSN | 1062922X |
| DOI | 10.1109/ICSMC.2008.4811466 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-10-12 |
| Publisher Place | Singapore |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Frequency Partial response channels Geophysical measurements Phase measurement Observability Phased arrays Automation Electromagnetic scattering Algorithm design and analysis Navigation Phase-difference Rate of Change Extend Kalman Filter Doppler Frequency Rate of Change |
| Content Type | Text |
| Resource Type | Article |
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