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本文以盈江1981年7月7日(M_s=5.4级)及8月14日(M_s=5.1级)两次地震前后的序列地震资料为基础,探讨了腾冲地震台所记录到的盈江序列地震的尾波在震前及震后两水平分量持续时间的对数logτ与两水平分量S波最大振幅S_H的变化关系及尾波振动持续时间比τH/τZ随时间的变化情况。本文叙述了这二个特征量的测定方法并给出了结果。从结果中可以看出这二个特征量在盈江地震前后的变化是明显的。
Based on the sequence seismic data of Yingjiang before and after July 7, 1981 (M_s = 5.4) and August 14 (M_s = 5.1) before and after the two earthquakes, this paper discusses the Yingjiang sequence of earthquakes recorded by Tengchong Seismic Station The logarithm of the logarithm of the two horizontal component durations and the maximum amplitude S_H of the S-wave of the two horizontal components before and after the earthquake and the variation of the duration of the wake vortex τH / τZ over time are shown. This paper describes the determination of these two features and gives the results. It can be seen from the results that the change of these two features before and after the Yingjiang earthquake is obvious.