【摘要】 月球探测卫星激光高度计服务于月面三维影像获取的科学目标,在研制过程中需要对激光高度计的固定参数及系统性能进行定标与验证试验,为分析科学和应用目标实现及后期三维数据处理提供必要的参数。介绍了月球探测卫星激光高度计地面定标与性能验证技术,内容包括激光光束发散角、测距系统延迟常数、测距范围、最大测程、测距分辨率及测距不确定度,并对测试误差进行了分析。试验结果表明,激光高度计系统性能符合设计要求,可以保证月面三维影像获取的实现。更多还原

【Abstract】 The lunar observation laser altimeter is designed to provide precise altimeter data to accurately map the lunar surface.To verify its performance and operability,the ground-based calibration and performance verification is made and analyzed,including the measurement of laser beam divergence angle,the constant of system delay,the efficient range,the maximum range,range resolution and uncertainty.Test results indicate that the lunar observation laser altimeter’s performance parameters are well within all specifications.更多还原