[Retracted] Internet+ and Smart Wearable Devices for Three-Dimensional Monitoring of Tennis Physical Exercise

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Test tools</td><td class="align_center">Quantity</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Multimeter</td><td class="align_center">1</td></tr><tr><td class="align_left">Oscilloscope</td><td class="align_center">1</td></tr><tr><td class="align_left">Electric soldering iron</td><td class="align_center">1</td></tr><tr><td class="align_left">3.7 V lithium battery</td><td class="align_center">1</td></tr><tr><td class="align_left">PC</td><td class="align_center">1</td></tr><tr><td class="align_left">Downloader</td><td class="align_center">1</td></tr><tr><td class="align_left">Communication line</td><td class="align_center">1</td></tr><tr><td class="align_left">Adjustable power supply</td><td class="align_center">1</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Mobile Information Systems

tab5

Table 5

Table 5: [Retracted] Internet+ and Smart Wearable Devices for Three-Dimensional Monitoring of Tennis Physical Exercise 