Study of Ocean Waves Measured by Collocated HH and VV Polarized X-Band Marine Radars

Figure 6

The RMSE between the SWH measured by the buoy and those retrieved from different principal components of X-band marine radars, at the wind speeds of (a) 0–5 m/s, (b) 5–10 m/s, (c) 10–18 m/s, and (d) 18–26 m/s. The number “” at the bottom of each panel denotes the number of hours used in the statistics.

(a)

(b)

(c)

(d)