Research on the Recognition Algorithm of Basketball Technical Action Based on BP Neural System

Table 1

Time domain features of data.

Feature	Feature ID	Feature description
Time domain characteristics	1 ∼ 3	Acceleration sensors x, y, and z axis data mean value
	4	Mean value of total acceleration
	5 ∼ 7	The mean value of the gyroscope’s x, y, z axis data
	8	Mean value of closing angular velocity
	9 ∼ 11	Acceleration sensors x, y, and z axis data variance
	12	Variance of total acceleration
	13 ∼ 15	Variance of the total velocity: the variance of the gyroscope’s x, y, and z axis data
	16	Variance of angular velocity