| 1 | A note on the equivalence of three major propagator algorithms for computational stability and efficiency显示文摘It is shown in this note that the three methods,the orthonormalization method,the minor matrix method and the recursive reflection-transmission matrix method are closely related and solve the numerical instability in the original Thomson-Haskell propagator matrix method equally well.Another stable and efficient method based on the orthonormalization and the Langer block-diagonal decomposition is presented to calculate the response of a horizontal stratified model to a plane,spectral wave.It is a numerically robust Thomson-Haskell matrix method for high frequencies,large layer thicknesses and horizontal slownesses.The technique is applied to calculate reflection-transmission coefficients,body wave receiver functions and Rayleigh wave dispersion. | Yanlu Ma Rongjiang Wang Huilan Zhou | 2012 | Earthquake Science2012，25，1： | 2 |
| 2 | SLC Analysis on Earthquake Activity in the Regions of Sichuan and Yunnan of China显示文摘Using the method of Single-link Cluster(SLC),analyzing the pattern of time sliding of SLCparameters,the earthquake activity in the western Sichuan-Yunnan of China is studiedcombining with the regional earthquake catalogue since 1970 and the tectonic background.Comparing with the high level of earthquake activity in 1970’s and the low in 1980’s,theearthquake activity is in general at the middle level in 1990’s.This paper suggests that SLCmethod,which considers the temporal and spatial relationship among earthquake events,could be adopted to analyze the trend of regional earthquake activity,it is very useful forstudying seismic activity. | Gao Yuan Zhou Huilan Ma Yanlu | 2000 | Earthquake Research in China2000，14，3： | 1 |
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