CAJ | 학술논문

针对目前弹丸转速测试方法的局限，提出了一种新的弹丸转速测试方法，利用连续波雷达探测弹丸旋转产生的微多普勒效应，建立了弹丸旋转运动引起的雷达回波微多普勒调制数学模型，推导了微多普勒频率与弹丸转速的解析关系，给出了弹丸转速微多普勒数据的实测方案，并通过弹丸旋转微动辨识与数字解调技术，提取出弹丸转速，经靶场试验验证，测试效果良好。
침대목전탄환전속측시방법적국한，제출료일충신적탄환전속측시방법，이용련속파뢰체탐측탄환선전산생적미다보륵효응，건립료탄환선전운동인기적뢰체회파미다보륵조제수학모형，추도료미다보륵빈솔여탄환전속적해석관계，급출료탄환전속미다보륵수거적실측방안，병통과탄환선전미동변식여수자해조기술，제취출탄환전속，경파장시험험증，측시효과량호。
Aiming at the limitation of testing methods for projectile rotating speed, a new testing method of projectile rotating speed is put forward. The radar echo micro-Doppler modulated mathematic model caused by projectile rotation is built by using micro-Doppler effect resulted from CW radar detection of projectile rotations, the internal relationship between micro-Doppler frequency and projectile rotating speed is derived, and testing methods of micro-Doppler data for projectile rotating speed is provided. The projectile rotating speed is extracted by micro-motion identification and digital demodulation of projectile rotation, and the good testing effect is validated by shooting range test.