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A comment on The World Economy Runs on GPS. It Needs a Backup Plan. Parent comment
- GPS; widespread, low accuracy
- INS; always available, high short-term accuracy, terrible long-term accuracy
- terrain-matching: large-scale corrections.
The different characteristics allow one sensor to correct another to a degree to produce an overall stable position.
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- GPS; widespread, low accuracy
- INS; always available, high short-term accuracy, terrible long-term accuracy
- terrain-matching: large-scale corrections.
The different characteristics allow one sensor to correct another to a degree to produce an overall stable position.