地理学报 ›› 1993, Vol. 48 ›› Issue (1): 70-74.doi: 10.11821/xb199301009

• 论文 • 上一篇    下一篇

求算界限温度日期的一种新方法——样条函数插值法

张连强1, 赵新平1, 欧阳宗继1, 赵有中1, 陈端生 2   

  1. 1. 北京市气象科学研究所,100081;
    2. 北京农业大学,100094
  • 出版日期:1993-01-15 发布日期:1993-01-15
  • 基金资助:

A METHOD FOR CALCULATING THE DATE OF BOUNDARY TEMPERATURE USING SPLINE INTERPOLATION

Zhang Lianqiang1, Zhao Xinping1, Ouyang Zongji1, Zhao Youzhong1, Chen Duansheng2   

  1. 1. Institute of Meteorological Science, Beijing Meteorological Bureau 100081;
    2. Beijing Agricultural University, 100094
  • Online:1993-01-15 Published:1993-01-15

摘要: 本文根据某站点各月平均气温,通过计算机,用样条函数插值法模拟年温变化曲线,进而直接求算出主要界限温度初终日期、间隔日数及其相应积温,并与用滑动平均法得出的结果进行了比较检验。

关键词: 样条函数插值, 月平均温度, 年温变化曲线, 界限温度日期, 积温

Abstract: Using the data of monthly mean temperature of a year, the annual temperature curve was simulated by means of tha spline interpolation.

Key words: Spline interpolation, Monthly mean temperature, Annual tempe-rature curve, The date of boundary temperature, Cumulative temperature