| 准40天振荡沿指定路径传播的复经验正交函数分析 |
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| 引用本文： | 王盘兴,徐建军,李曙光,徐春燕.准40天振荡沿指定路径传播的复经验正交函数分析[J].应用气象学报,1993(Z1). |
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| 作者姓名： | 王盘兴 徐建军 李曙光 徐春燕 |
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| 作者单位： | 南京气象学院 南京210044
(王盘兴，徐建军，李曙光)，南京气象学院 南京210044(徐春燕) |
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| 基金项目： | 《长期天气预报理论和方法研究》项目 |
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| 摘 要： | 采用复经验正交函数(CEOF)方法分析了准40天振荡沿赤道和某些大圆路径传播的规律.其第一特征向量及其时间系数表明,它们存在明显的时间(季内、季节、年际)和空间差异,揭示了低频振荡传播规律的复杂性.
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| 关 键 词： | 准40天振荡 传播 复经验正交函数分析 |
A COMPLEX EMPIRICAL ORTHOGONAL FUNCTION ANALYSIS OF THE PROPAGATION OF QUASI-40-DAY OSCILLATIONS ALONG ASSIGNED ROUTES |
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| Wang Panxing Xu Jianjun Li Shuguang Xu Chunyan.A COMPLEX EMPIRICAL ORTHOGONAL FUNCTION ANALYSIS OF THE PROPAGATION OF QUASI-40-DAY OSCILLATIONS ALONG ASSIGNED ROUTES[J].Quarterly Journal of Applied Meteorology,1993(Z1). |
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| Authors: | Wang Panxing Xu Jianjun Li Shuguang Xu Chunyan |
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| Abstract: | The regular patterns of the propagation of quasi-40-day oscillations along the equa-tor and some great circle routes are analysed and revealed by a complex empirical or-thogonal function(CEOF)method.The first characteristic vectors and its time coeffi-cients show the obvious variations in the time(intraseasonal,seasonal and interannual)and space,revealing the complexity of low frequency oscillations. |
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| Keywords: | Quasi-40-day oscillation Propagation Complex empirical orthogonal func-tion analysis |
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