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A two-loop iterative method is proposed to calculate sea surface height using the relative delay between the direct and the reflected GNSS signals.. The preliminary results
Obviously, the accuracy of the laser scanner, but also the scanning step, explicitly influence the effective selection of ground control points from the point
Since an extended series of data must be collected to reach statistically sound conclusion on the actual quality of the guided implantology, a measurement protocol has
Based on the comparison of the different results, it was found that without the disturbing information (e.g., mountain, water) the accuracy of the cross-correlation of
In addition, the new high resolution SAR satellite sensors offer the capability to achieve positioning accuracies in a global reference frame in the meter range and even better,
In this method, Global Positioning System (GPS), and GSM network are used to track the UAVs; an emergency tracking UAV information database is built in advance by registration,
Compared to the film cameras they have a relatively smaller accuracy differences between the center and the edges and the curves have a higher deviation to each
Future research on this topic will focus on developing methods to increase the accuracy of the direct determination of the image`s exterior orientation parameters and