Target visual measurement error range determining method and device for video satellite

The invention discloses a target visual measurement error range determining method and device for a video satellite. The method comprises the following steps that S100) a target visual measurement mathematical model of the video satellite is constructed; S200) an error range of a visual measurement error angle xi1 caused by an optical axis determining error is calculated via the target visual measurement mathematical model according to the optical axis determining error, and an error range of a visual measurement error angle xi2 caused by an target sensing error is calculated according to thetarget sensing error; and S300) the error range of a real-time visual measurement error angle xi is calculated according to the error range of the visual measurement error angle xi1 and the error range of the visual measurement error angle xi2. A device using the method is also provided. 本发明公开了一种用于视频卫星的目标视线测量误差范围确定方法及其装置，包括以下步骤：步骤S100：构建视频卫星目标视线测量数学模型；步骤S200：根据光轴确定误差，由视频卫星目标视线测量数学模型计算光轴确定误差导致的视线测量误差角度ξ的误差范围，根据目标感知误差，计算目标感