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弹道学报 2012

基于线阵像机的弹丸速度与姿态测量

, PP. 36-40

回丙伟,赵竹新,文贡坚

Keywords: 线阵像机,成像方程,弹丸速度,弹丸姿态,测量

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Abstract:

为测定弹丸的瞬时速度与姿态,利用标定过的线阵像机,在镜面摄像法下从2个视角对运动中的弹丸进行扫描成像.在研究了线阵像机的动态成像方程后,利用若干个目标特征点和对应的图像点,建立测量问题数学模型;通过两步法求解出弹丸的速度、姿态和初始位置8个参数.对不同像机参数下的不同弹丸几何尺寸和不同的运动姿态参数进行了图像仿真和测量实验,结果表明算法的姿态测量误差优于0.4°,合速度的相对测量误差优于2%.利用线阵像机成像模型和最优化算法测量弹丸速度与姿态参数具有较高的精度.

References

[1]	高昕,王建军,汤阳.利用狭缝相机实现弹丸攻角高精度测量研究[J].飞行器测控学报,2004,23(1):69-72.GAO Xin, WANG Jian-jun, TANG Yang. Precisionmeasurementofnutationangleusingslitcameras[J].JournalofSpacecraftTT & C Technology,2004,23(1):69-72.(inChinese)
[2]	张三喜,薛以辉,卢宇.狭缝摄影胶片图像运动参数测量和处理[J].光子学报,1999,28(12):1117-1121.ZHANGSan-xi,XUEYi-hui,LUYu.Themeasuringandprocessingofstreakcamera’simagemotionparameters[M].ACTA PhotonicaSinica,1999,28(12):1117-1121.(inChinese)
[3]	LIJK,CHENLY.AslitphotographysystembasedonlinearCCD[J].Laser&Infrared,2009,39(3):300-303.
[4]	SONG W D.Softwaredesignformeasurementofbulletattitudebasedonlinear CCD[C].9thInternational Conference onElectronic MeasurementandInstruments.Xi’an:CIE,2007:521-524.
[5]	HUGHETT P.Projectile velocity and spin rate byimageprocessingofsynchro-ballisticphotography[C].Ultrahigh-andHigh-Speed Photography, Videography, Photonics andVelocimetry.SanDiego:SPIE,1990:237-248.
[6]	RADU H,ROGER M,BOGUSLAW L.On Single-scanlinecameracalibration[J].IEEE Transactionson RobobticsandAutomatic,1993,9(1):71-75.
[7]	LUNACA,MAZO M,LAZAROJL.Calibrationofline-scancamera[J].IEEETransactionsonInstruementationandMeasurement,2010,59(8):2185-2190.
[8]	冯文灏.近景摄影测量―――物体外形与运动状态的摄影法测定[M].武汉:武汉大学出版社,2007:72-73.FENG Wen-hao.Close-rangephotogrammetry(measurementofobject’sfacadeand motion)[M].Wuhan:Wuhan UniversityPress,2007:72-73.(inChinese)
[9]	WANG Zhi-zhuo.Principlesofphotogrammetry[M].PressofWuhan Technical University of Surveying and Mapping &Publishing HouseofSurveyingand MappingofBeijing,1990:18-19.

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