We examine the measurement uncertainty associated with different methods of calibrating the ubiquitous down-the-road (DTR) radar used in speed enforcement. These calibration methods include the use of audio frequency sources, tuning forks, a fifth wheel attached to the rear of the vehicle with the radar unit, and the speedometer of the vehicle. We also provide an analysis showing the effect of calibration uncertainty on DTR-radar speed measurement uncertainty.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4646567 | PMC |
| http://dx.doi.org/10.6028/jres.114.009 | DOI Listing |
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