Passive emitter location system
US5406291A · kind A · utility
22Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 1993 |
| Grant date | Apr 11, 1995 |
| Priority date | — |
| Expiry date | Oct 5, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2205/03
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A passive emitter location system is capable of performing emitter location autonomously from a single airborne observation platform and includes a bearing measurement system, a system for measuring doppler induced frequency shifts, and means for estimating the emitter location based on non-simultaneous measurement of the bearing and frequency using extended Kalman filters preferably initialized by a single measurement delayed initialization procedure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.