摘要
本文根据永宁县气象站记录的终霜日资料,经过平稳化处理后,建立了时间序列的AR模型。利用模型对永宁地区1990～1992年的终霜日期进行了超长期预报。
In this paper, according to the recorded data by meteorological station of Yongning, the AR-model of the time array bave been established through the treatment of the s moth and stendy. Using the model, the date of the end frost day in 1990-1992 in Yongning area have been forcast-ed of superlong period.
出处
《农业科学研究》
1989年第2期56-60,共5页
Journal of Agricultural Sciences
关键词
终霜日
AR模型
The date of end frost The term of trend The term of cycle The term of smooth and sleadt
