Doppler-adaptive filter for non-zero mean dropout noise
US4803631A · kind A · utility
3Cited by
1References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 25, 1987 |
| Grant date | Feb 7, 1989 |
| Priority date | — |
| Expiry date | Sep 25, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2205/03
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An iterative process for computing the trajectory of one object containing a transmitter relative to another object containing a plurality of receivers is disclosed. The process contains a subprocess which estimates the trajectory band from the Doppler shifts in the signals measured by the receivers. The process contains another subprocess where the received Doppler signals are filtered by filter adapted to select the Doppler signals which would have been produced by an object following the trajectory estimated by the first subprocess.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.