大地电场观测资料与地震电信号提取技术

Abstract

Abstract: According to the seismic recording date obtainned at Baodi station by the ZD9A geoelectric-field instrument made in China, we have studied variation characterictics of the telluric field in the process of M_S6.2 earthquake occurred in Zhangbei area of Hebei Province on Jan. 10, 1998, such as azimuth rotation of the telluric field vector, variation characterictics of 9-Day periodicity, and amplitude and polarity. At the same time, the processing method of telluric field observation data and extrating technique of the SES are studied.

Key words: Telluric field, Observation data, SES, Extracting technique

CLC Number:

P315.72

MAO Tong-en, XI Ji-lou. Telluric field observation data and extracting technique of the SES[J]. EARTHQUAKE, 2007, 27(增刊): 155-159.

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Telluric field observation data and extracting technique of the SES

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