In order to improve the precision of the method which is used to resolve Doppler centroid ambiguity of SAS, an improved method for the wavelength diversity algorithm is proposed in this paper.
Three functions of peak reflectivity and bandwidth and centroidwavelength related to roughness are obtained by fitting above results.
通过拟合计算结果,得到了峰值反射率、带宽和中心波长与粗糙度的函数关系。
3
By analyzing reflective properties of multilayers, the peak reflectivity, bandwidth and centroidwavelength as a function of roughness, period thickness and thickness ratio were obtained.