Errors in Radar Measurements of the Sea-Surface Large-Scale Slopes Due to the Sea-Wave Nonlinearity  id статьи: 475
Тип публикации
статья в журнале
Журнал
Radiophysics and Quantum Electronics
ISSN:0033-8443
eSSN:1573-9120
Выходные данные
том
61
выпуск
1
страницы
22-30
Абстракт
We analyze the errors of retrieving the variance of the large-scale slopes of the sea surface from the microwave sounding data. The errors caused by the slope-distribution
deviations from the Gaussian distribution are considered. The model of the Cox-Munk probability-density function is used for analysis. The average relative
error of calculating the variance from the nadir-sounding data amounts to 12%. When calculating the slope variances using the sounding data in the case of
several incidence angles, the error depends on choosing the incidence-angle range. In this case, the relative error of determining the sea-surface slope variance
amounts to 10-20%. Deviations of the sea-surface slope distributions from the Gaussian distribution lead to underestimated calculated values of the slope variance
for both nadir and oblique sounding.
Ключевые слова
DISTRIBUTIONS, BACKSCATTER, SCATTERING, MODEL