Then,WGEN derives ALWGEN and BJWGEN for Alabama and Beijing, respectively, after the model parameters are estimated by procedures of conventional statistics or the grey target bleaching.

• 用弱平稳过程和调和分析为工具建立另一个子模型,产生逐日最高温度、最低温度和太阳辐射量。 通过常规的统计学方法或灰靶白化方法可以估计模型参数。