Quantification of motion-induced measurement error on floating lidar systems

Abstract. Floating lidar systems (FLSs) are widely used for offshore wind site assessment, and their measurements show good agreement when compared to trusted reference sources. However, some influence of motion on mean speed data from FLS has be assumed but could not have been quantified with experimental methods yet because the involved uncertainties larger than expected impact motion. This study describes motion-induced bias horizontal estimates help simulations sampling pattern a continuous-wave (CW) velocity–azimuth display (VAD) scanning lidar. Analytic modeling is validate simulations. It found that depends amplitude frequency motion, angle between direction, strength shear. The quantify measurement deviation caused by example Fugro SEAWATCH Wind LiDAR Buoy (SWLB) carrying ZX 300M profiling strongest ?0.67 % values was estimated test case “strong” waves aligned inflow direction. Under “normal” wave conditions smaller. reason these low errors lies in fortunate combination frequencies prism rotation tilt