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Wavelet analysis has become a popular subject in scientific research for twenty years. It has been a powerful tool for exploring and solving many complicated problems in natural science and engineering computation. In this paper, the notion of vector-valued multiresolution analysis is introduced and the definition of the biorthogonal vector-valued wavelets is given. The existence of biorthogonal vector-valued...
Climate data included the observed monthly average air temperature, precipitation as well as 20 cm pan evaporation for the period 1960-2005 from 22 meteorological stations over Nansi Lake basin were used to analyses climate change trend and its abrupt change in recent 46 years. The research results show that spring, winter and annual average air temperature has been obviously increasing, change trends...
The discrete theory of finite element for curved structures is first introduced and the discrete error is analyzed theoretically. Then, as an illustration, a probe for detecting the pressure inside turboprop is meshed by 3D degenerated shell element with 4 different methods, and the characteristics and adaptive conditions of the methods are discussed. The stress of the probe is numerically calculated...
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