无人机光学侦察载荷地面分辨力评估方法

An Evaluation Method of Ground Resolution of UAV Optical Reconnaissance Payload

介绍了国内外大型无人机光学侦察载荷技术发展现状。针对大型无人机各型光学侦察载荷的对地侦察分辨能力性能指标考核要求,提出了等效地面分辨力性能指标换算方法,明确了地面分辨力测试靶标设计思路与布设方式,给出了地面分辨力的直观与客观评估途径,从而实现对大型无人机地面分辨力定量测试与评估。经过工程飞行试验验证,该评估方法合理、科学、准确,可用于大型无人机各型光学侦察载荷地面分辨力性能指标试验验证。

The development status of optical reconnaissance mission payload technology of large UAVs at home and abroad is introduced.To meet the requirements of ground resolution capability performance index for various types of optical reconnaissance mission payload of large UAVs an equivalent ground resolution performance index conversion method is proposed.The design idea and layout method of ground resolution test targets are defined and the intuitive and objective evaluation methods of ground resolution are given so as to realize the quantitative testing and evaluation of ground resolution capability of large UAVs.The engineering flight test shows that the evaluation method is reasonable scientific and accurate and can be used to verify the ground resolution performance index of various types of optical reconnaissance mission payload of large UAVs.