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1篇 您的检索式：作者名="GuangBi He"

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		题名	作者	年代	出处	被引量
	1	Study of perturbing method in regional BGM ensemble prediction system显示文摘Based on an Ensemble Prediction System with the BGM method on the regional numerical prediction model AREM,Static State Perturbation(SSP,including Initial Random Perturbation and Perturbation Restriction) and Dynamic State Perturbation(DSP) are designed.The impacts of both perturbations on precipitation prediction are studied by analyzing a strong precipitation process occurring during July 20-21,2008.The results show that both SSP and DSP play a positive role in prediction of mesoscale precipitation,such as lowering the(missing) rate of precipitation prediction.SSP is mainly helpful for the 24-hour prediction,while DSP can improve both 24-hour and 48-hour prediction.DSP is better than the two SSPs in the hit rate of regional precipitation prediction.However,the former also has a little higher false alarm rate than the latter.DSP enlarges in some extent the dispersion of EPS,which is good for EPS.	YuHua Xiao GuangBi He Jing Chen Guo Deng	2012	Research in Cold and Arid Regions2012，4，1：	0

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