Joshua Griffin (Disney Research Pittsburgh)
Jonathan Becker (Disney Research Pittsburgh)
Jasmin Grosinger (Disney Research Pittsburgh)
Selected frames from a run play are shown to compare the true path of the ball (yellow line) to the estimated path of the ball (orange line). The true position of the ball was visually estimated by the position of the player’s feet.
The final frame from a run play comparing the true path of the ball (yellow line) to the estimated path of the ball (orange line). The true position of the ball was visually estimated by the position of the player’s feet.
This project seeks to design a wireless bend sensor using backscatter radio frequency (RF) tags (often referred to as radio frequency identification (RFID) tags) operating at 5.8GHz. While many conventional wireless sensors require an analog-to-digital converter and transmitting hardware, this sensor will not require such tag complexity because the transducer is an integral part of the RF tagís transmission circuit. The result is that the hardware complexity and power consumption are reduced to a point that, in principle, the sensor can be made passive — i.e., requiring no internal power source. Such a sensor would be useful for applications where small, light-weight, and low-maintenance sensors are required.
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