Rensheng, Chen; Ersi, Kang; Jianping, Yang; Shihua, Lu; … - In: Renewable Energy 29 (2004) 5, pp. 717-726
Three most widely used diffuse radiation models are calibrated using the daily data between January 1 1994 and December 31 1998 from 16 stations all over China. The second-degree polynomial relationship between RD/RG and n/N (Iqbal model) is suitable for diffuse radiation estimation in China....
