Before revision:  Compared to  standard cross-correlation, SparseXcorr uses only 30-40\% measurements to obtain precise range estimates with an additional bias of only 2-6 cm for applications with high accuracy requirement;
After revision:  Compared to the standard cross-correlation, SparseXcorr uses only 30-40\% measurements to obtain precise range estimates with an additional bias of only 2-6 cm for applications with high accuracy requirement;