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| Re: Canarsie CBTC (100314) | |||
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Re: Canarsie CBTC |
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Posted by AlM on Sat Jun 18 10:38:24 2005, in response to Re: Canarsie CBTC, posted by Stephen Bauman on Sat Jun 18 09:17:35 2005. "You said the accuracy is +/- 15 feet. How accurate will the computed velocity be?"Depends how rapidly the error can change with time. If each error is totally independent of the preivous error, then of course 15' is too much. If each error of position is very closely correlated in magnitude and direction with the prior error, then it would be possible to get extremely accurate measurements of velocity. |
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