| 摘要 |
A data collection system includes a data collection device mounted on the upper torso of the player. The device includes a GPS unit, three dimensional accelerometers, three dimensional gyroscopes, and a microprocessor and data store for processing the signals from the GPS unit, three dimensional accelerometers and three dimensional gyroscopes. The microprocessor is programmed to identify and collect signal data to derive delivery rotation speed, point of release and to derive delivery speed and maintain a count of deliveries and optionally the distance and speed of the player during the act off delivery. When the software is adapted for cricket it derives bowling count, delivery speed, run up velocity and run up distance. It may also be adapted for baseball pitching and tennis serving where the device is worn on the forearm or wrist. |
