| 一种带通滤波方法及其初步应用 |
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| 引用本文： | 党人庆, 万志强. 一种带通滤波方法及其初步应用. 气象科学研究院院刊, 1989, 4(1): 29-34. |
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| 作者姓名： | 党人庆 万志强 |
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| 作者单位： | 1.南京大学大气科学系(党人庆)，国家气象局卫星气象中心(万志强) |
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| 摘 要： | 本文将Barnes-Shapiro类的低通滤波方法作了改进，成为带通滤波分析方法，它具有较好的中尺度带通响应。用此方法对1980年5月和6月我国的9个中尺度云团个例作了地面要素场分析。结果表明，带通滤波后的场具有较明显的中尺度特征，其中有一些场的配置与6小时后的云团位置及强度有较好的关系。
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A Bandpass Filtering Method and Its Preliminary Application |
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| A bandpass filtering method and its preliminary application. J Appl Meteor Sci, 1989, 4(1): 29-34. |
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| Affiliation: | 1) (Department of Atmospheric Sciences, Nanjing University); 2) (Satellite Meteorological Center, SMA) |
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| Abstract: | A low-pass filtering method of Barnes-Shapiro’s type has been improved to obtain a bandpass filtering method, which has the good response to the selected mesoscale wave length. This method has been applied to analyze meteorological fields for nine cases of mesoscale cloud cluster over South China in May and June, 1980. The results show that the filtered fields are obviously of the mesoscale nature. The distributions of the fields of several elements are related to the locations and intensities of the cloud clusters six hours later. |
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