Research Article
The Optimal Sampling Period of a Fingerprint Positioning Algorithm for Vehicle Speed Estimation
Table 2
The definition of abbreviations.
| Abbreviation | Description |
| AER | Absolute average error rate | RER | Relative average error ratio | AS | Actual speed | ES | Estimated speed | AER′ | Absolute error rate under optimal sampling period | C | Cost | RCR | Relative cost ratio |
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