...律; 多时间尺度; 趋势分析; 长江上游干流 [gap=1625]Key words: main stream; runoff and sediment load; multiple time scales; trend; upper reaches of Yangtze River ...
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In this article, using statistics, wavelet theory, spectrum analysis method, the multiple time scales of hydrological time series in karst drainage basins are studied.
本文采用统计学、小波理论、频谱分析等方法,对喀斯特流域水文时间序列的多时间尺度问题进行了研究。
参考来源 - 喀斯特流域水文时间序列的多时间尺度研究Based on daily precipitation data in Fushun of Liaoning Province during 1960-2009,trend analysis,wavelet transformation,accumulative anomalies and Mann-Kendall Method were used to analyze the characteristics of precipitation trend,multi-time scales variation and precipitation intensity.
基于辽宁省抚顺市1960～2009年逐日降水资料,利用趋势分析、小波变换、累积距平分析、M-K等方法,分析了抚顺市近50年降水的趋势、多时间尺度变化和降水强度特征。
参考来源 - 近50年抚顺市降水变化特征分析·2,447,543篇论文数据，部分数据来源于NoteExpress
本方法兼有多时间尺度方法和子带方法的抗噪性能。
The method has robustness of both multiple timescale method and sub band method.
根据风速的多时间尺度特性，建立风能转换系统非线性机理模型。
According to the multiple time-scale of wind speed, the nonlinear mechanical model is built for WECS.
电力系统是一个多时间尺度的大规模非线性系统，其稳定性分析非常复杂。
Power system stability analysis is extremely complex due to its multi time scale nature, high dimensionality and non linearity.
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