Method and systems for automatic zero calibration of radar altimeters
US7138940B2 · kind B2 · utility
2Cited by
12References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2004 |
| Grant date | Nov 21, 2006 |
| Priority date | — |
| Expiry date | Feb 17, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S13/882
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for operating a radar altimeter to perform a zero altitude calibration is described. The method includes determining a difference between an altitude measured by the radar altimeter and a desired altitude indication and upon receiving a zero calibration command, subtracting the difference from an altitude output by the radar altimeter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.