Statistical comparison of low and high grazing angle sea clutter

This paper directly compares sea clutter data gathered from two separate radar systems, Ingara from the Defence Science and Technology Organisation (DSTO) Australia and Fynmeet from the Council for Scientific and Industrial Research (CSIR), South Africa. The key quantitative difference explored in this paper is the difference in grazing angle, which is moderately high (15° - 46°) for the Ingara data and very low (0.1°) for the CSIR data. The results show that the high grazing angle data at comparable azimuth angles with respect to wind and wave direction has a larger K-distribution shape parameter. The correlation properties of the data are also analysed and directly compared.