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GNSS-supported aerotriangulation
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GNSS-supported aerotriangulation
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工学
联合平差
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GNSS-supported aerotriangulation
全球导航卫星系统辅助空中三角测量
利用安装在飞机上与航摄仪相连接的全球导航卫星系统(GNSS)接收机,连续观测GNSS卫星星座、同步获取航空摄影瞬间航摄仪快门开启脉冲,经GNSS载波相位测量差分定位或精密单点定位的离线数据后处理获取航摄仪曝光时刻摄站的三维空间坐标,将其视为带权观测值引入摄影测量区域网平差中,经采用统一的数学模型来整体测定地面目标点位和影像方位元素,并对其质量进行评定的理论、方法和工艺。
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