Shooting auxiliary training system based on PVDF film pressure sensors
A film pressure and training system technology, applied in the field of auxiliary training systems, can solve the problems of strong subjectivity of training methods, lack of training systems and training methods, and difficulty in replicating large-scale promotion. The effect of installation
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[0016] The invention discloses a shooting training auxiliary system based on a multi-channel PVDF film pressure sensor. The system is composed of three parts: an athlete terminal, a coach smart phone terminal App system and a cloud database system. The athlete's terminal collects pressure signals from multiple PVDF film piezoelectric sensors, passes through the first-stage charge amplifier circuit and the second-stage voltage amplifier circuit, and then passes through a 30Hz low-pass filter circuit and a 50Hz trap circuit to obtain simulated pressure with a high signal-to-noise ratio Signal, the analog pressure signal is converted and calculated to obtain the pressure data signal, and stored.
[0017] The athlete's terminal stores pressure data for a certain period of time, and sends the data to the coach's smartphone terminal through the wireless module at regular intervals, and the mobile app saves the pressure data in a data pool for subsequent analysis and call. In additio...
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