Table 1 The 30 technical and tactical analysis indices based on the double three-phase evaluation method
From: Technical and tactical diagnosis model of table tennis matches based on BP neural network
The beginning of a game | The middle of a game | The end of a game | ||||
|---|---|---|---|---|---|---|
Phases | Bh | Name | Bh | Name | Bh | Name |
serve and attack phase | X1 | UR of Serve | X3 | UR of Serve | X5 | UR of Serve |
X2 | SR of Serve | X4 | SR of Serve | X6 | SR of Serve | |
X13 | UR of the third stroke | X15 | UR of the third stroke | X17 | UR of the third stroke | |
X14 | SR of the third stroke | X16 | SR of the third stroke | X18 | SR of the third stroke | |
receive and attack phase | ×7 | UR of Receive | X9 | UR of Receive | X11 | UR of Receive |
X8 | SR of Receive | X10 | SR of Receive | X12 | SR of Receive | |
X19 | UR of the fourth stroke | X21 | UR of the fourth stroke | X23 | UR of the fourth stroke | |
X20 | SR of the fourth stroke | X22 | SR of the fourth stroke | X24 | SR of the fourth stroke | |
stalemate phase | X25 | UR after the fourth strokes | X27 | UR after the fourth strokes | X29 | UR after the fourth strokes |
X26 | SR after the fourth strokes | X28 | SR after the fourth strokes | X30 | SR after the fourth strokes | |