| 摘要 |
A system is provided that is configured to be transported, carried or worn by a user, such as a portable personal training device or sports watch. The system comprises means for determining the location of the user at a plurality of times during a journey from a first location to a second location, such as a GPS receiver. The system further comprises means for determining a motion state of the user at a plurality of times during the journey. The means can include an accelerometer, and can also utilise data obtained from a GPS receiver. The system further comprises means for determining the distance travelled by the user during at least a portion of the journey using the plurality of determined locations and the plurality of determined motion states, such that the system functions as an odometer. |
