Research Article

[Retracted] MEMS Sensors in Tennis Teaching and Training under the Background of Big Data Intelligent Communication

Table 5

The results after the time domain feature extraction of the roll angle.

No.12345678910

10.150.320.290.530.400.340.310.510.510.37
20.140.390.220.500.440.390.330.340.320.51
30.120.290.270.470.380.340.310.530.500.58
40.170.240.210.560.460.390.340.310.560.33
50.180.220.190.330.470.300.320.270.300.47
60.130.280.170.550.460.320.300.320.470.52
70.140.360.190.560.470.380.250.490.530.34
80.150.220.220.490.380.290.290.470.370.49
90.140.330.260.590.270.390.320.410.560.56
100.110.210.250.360.350.400.310.500.520.31