In order to solve the problem of measuring the spatial position of each projectile that are fired using multi-barrel weapons in high-frequency continuous firing modes, this paper proposes a new method to measure the spatial position of multiple projectiles with dual light field intersection imaging mechanism. According to the four-dimensional light field imaging information of light field camera and its micro-lens refocusing principle, we establish the calculation model of the spatial position of multiple projectiles; research the spatial geometric relationship of multiple projectiles in the dual light field intersection imaging system, analyze the light transfer mechanism of projectiles image by using the relation of main lens, micro-lens array and image sensor, and derive density distribution function of multiple projectiles; give the error calculation function of projectiles spatial position by differential method. Through calculation and comparative tests, the results verify the scientificity and rationality of the proposed calculation model.

为解决高频连射模式下多管武器发射的每枚弹丸空间位置测量问题，提出了一种双光场交叉成像测量多发弹丸空间位置的新方法。机制。根据光场相机的四维光场成像信息及其微透镜重聚焦原理，建立多弹丸空间位置计算模型；研究双光场相交成像系统中多弹丸的空间几何关系，利用主透镜、微透镜阵列和图像传感器的关系分析弹丸图像的光传递机制，推导多弹丸的密度分布函数；用微分法给出弹丸空间位置的误差计算函数。通过计算和对比试验，结果验证了所提出的计算模型的科学性和合理性。