Method and apparatus for reducing quantization error in laser gyro test data through high speed filtering
US4634283A · kind A · utility
9Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 1984 |
| Grant date | Jan 6, 1987 |
| Priority date | — |
| Expiry date | Mar 19, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C25/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The use of a high speed moving average filter is shown to filter high speed errors, including white noise in angle and quantization errors, from the output data of a ring laser gyro while it is being tested. The filtered data permits investigation of the lower speed, random walk in angle error of the gyro being tested. For best results, several moving average filters are connected in series.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.