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高原气象 2009
Application of Back-Propagation Neural Network in Precipitation Estimation with Doppler Radar
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Abstract:
By means of the Doppler radar measurements and automatic precipitation station data collected in the Linyi region during four precipitation processes of 2005.The Back-Propagation Neural Network(BPNN) was used to estimate the rainfall.In order to contrast with neural network,the improved window probability matching method(WPMM)was employed to determine the relationship between radar echo intensity (Z) and precipitation intensity(R),and the Z-R relation was further used to estimated the rainfall.Based on anal...