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Table 4 Results of the absolute positioning accuracy for the Hongqi-1-H9 wide-range satellite under different terrains

From: Optical satellite sensor and positioning accuracy analysis for the Hongqi-1-H9 wide-range satellite in different terrains

RMSEs Directions
Latitude Longitude Elevation
Urban area/ m 3.4815 4.4756 2.7262
Plain area/m 3.2448 1.6639 1.7466
Mountainous area/m 4.2622 4.9386 4.9217