Research Article
Performance Study of Impact-Point Estimation Systems Using Two Types of Acoustic Sensor Arrangement Methods
Table 2
The measured and the calculated impact-point coordinates.
| | Test times | Shooting distance (m) | Bullet diameter (mm) | Measured coordinates (mm) | Calculated Coordinates (mm), Delta-type | Calculated coordinates (mm), H-type | | X axis | Z axis | X axis | Z axis | X axis | Z axis |
| | 1 | 100 | 7.62 | 60.0 | 843.0 | 68.5 | 844.5 | 48.7 | 818.5 | | 2 | −68.0 | 1050.0 | −63.5 | 1048.6 | −76.4 | 1030.3 | | 3 | 126.0 | 669.0 | 128.3 | 667.0 | 111.8 | 648.9 | | 4 | −36.0 | 648.0 | −33.0 | 649.3 | −43.6 | 623.3 | | 5 | 87.0 | 1063.0 | 95.6 | 1060.0 | 77.2 | 1032.4 | | 6 | 5.56 | 35.0 | 965.0 | 39.6 | 962.3 | No data | No data | | 7 | −47.0 | 1058.0 | −38.4 | 1048.2 | −53.5 | 1023.0 | | 8 | 118.0 | 712.0 | 112.4 | 709.4 | 105.1 | 689.5 | | 9 | −20.0 | 625.0 | −10.2 | 624.1 | −22.6 | 596.9 | | 10 | 93.0 | 922.0 | 101.4 | 908.6 | 77.0 | 887.6 |
| | 11 | 200 | 7.62 | 113.0 | 765.0 | 116.1 | 770.7 | 99.4 | 743.2 | | 12 | 231.0 | 1072.0 | 228.2 | 1070.5 | 208.9 | 1032.0 | | 13 | 5.56 | 55.0 | 709.0 | 52.7 | 712.2 | 41.9 | 686.4 |
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