Laser doppler attitude measurement
US4373808A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 20, 1980 |
| Grant date | Feb 15, 1983 |
| Priority date | — |
| Expiry date | Oct 20, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S17/06
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system is provided for remote determination of the attitude of a moving hicle. The system utilizes two remotely located transmitting-receiving stations and two retroreflecting single plane roof prisms mounted on the vehicle which may exhibit high angular rates about a roll axis. The two remotely located transmitter-receiver stations provide laser tracking of the vehicle, continuously illuminating the vehicle with a laser beam located at each station so that the position of the vehicle relative to the remote stations is obtained. During tracking, the roof prisms located symmetrically on the vehicle provide both a return signal to the laser station regardless of the aspect angle of the vehicle and a doppler signal indicative of the vehicle aspect angle, from which the vehicle attitude is determined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.