Fig. 5From: Optical satellite sensor and positioning accuracy analysis for the Hongqi-1-H9 wide-range satellite in different terrainsResults of the direct positioning accuracy obtained using the vendor-provided RPCs. The x-axis is divided into the planar and vertical accuracies. The geometric positioning residuals and Gauss fitting curves for the three study areas for each of these categories are presented. The y-axis shows the corresponding residual valuesBack to article page