4 ms·
Good inertial navigation units are really good. I had a professor who liked to tell the story of having one on the top floor of the engineering building and if
by colechristensen 3y ago
Good inertial navigation units are really good. I had a professor who liked to tell the story of having one on the top floor of the engineering building and if you left it on all day you could watch your altitude go up and down as the building warmed up with the sun and cooled down at night.
- rlpb 3y agoI think any unit that couldn't do that would be useless as it wouldn't have the accuracy required - it would drift within a day otherwise. More interesting would be to understand how much its position drifts over a period of days or weeks.
- nradov 3y agoSome level of drift is acceptable depending on the mission. Aircraft and missiles only fly for a few hours at most, and may be able to get a satellite or stellar fix at least intermittently.