| 摘要 |
PURPOSE: A battle practice system is provided to make use easy and to improve the efficiency of practice by accurately detecting the point of impact, calibrating the distance without separate calibrating shooting, and detecting the epicenter of a bullet. CONSTITUTION: A battle practice system comprises a gun(2) charged with shells; a target(4) spaced apart from the gun and marked with the shells fired from the gun; a sound wave sensor unit(6) outputting signals by sensing the wave of the air around the shell; a sound wave analyzer(8) analyzing the sound wave by receiving the signals transmitted from the sound wave sensor unit; and a computer(10) displaying a desired situation by processing the analyzed result. The computer calculates the coordinates of the epicenter and the point of impact using the time difference of the sound waves sensed by sensors and displays result. Therefore, a user easily notices the point of impact and real distance calibration.
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