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。
The regular patterns of the propagation of quasi-40-day oscillations along the equator and some great circle routes are analysed and revealed by a complex empirical orthogonal function (CEOF) method.
将旋转经验正交函数（REOF）和谱分析和谐波分析相结合深入分析阿克苏河流域的降水量场的时间变化和空间分布。
Space-time distributing character of precipitation field in Akesu-river drainage-basin were studied by REOF, spectrum, and harmonic analysis.
将旋转经验正交函数（REOF）和谱分析和谐波分析相结合深入分析阿克苏河流域的降水量场的时间变化和空间分布。
Space-time distributing character of precipitation field in Akesu-river drainage-basin were studied by REOF, spectrum, and harmonic analysis.
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