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Example of fft of the vibration signal of a tennis racket (~134 Hz).... | Download Scientific Diagram
![Melbourne, Australia, 2015, May 9: Determining the balance point of a Tennis racquet on a balance board in the process of custom fitting and match pla Stock Photo - Alamy Melbourne, Australia, 2015, May 9: Determining the balance point of a Tennis racquet on a balance board in the process of custom fitting and match pla Stock Photo - Alamy](https://c8.alamy.com/comp/HWPC94/melbourne-australia-2015-may-9-determining-the-balance-point-of-a-HWPC94.jpg)
Melbourne, Australia, 2015, May 9: Determining the balance point of a Tennis racquet on a balance board in the process of custom fitting and match pla Stock Photo - Alamy
![Applied Sciences | Free Full-Text | Materials Have Driven the Historical Development of the Tennis Racket Applied Sciences | Free Full-Text | Materials Have Driven the Historical Development of the Tennis Racket](https://pub.mdpi-res.com/applsci/applsci-09-04352/article_deploy/html/images/applsci-09-04352-g001.png?1586304793)