说明：  本论文旨在根据成像跟踪探测系统的要求，深入研究目标的成像特性，探索提高 天光背景弱小目标探测与识别的技术途径，并应用到工程实践中。
(This paper aims in accordance with the requirements of the imaging trace detection system, in-depth study of the imaging characteristics of the target, explore the technical approach to improve the the weaker target detection and identification of the sky background, and applied to engineering practice.)