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利用“十五”数字网络项目兰州宽频带地震台网资料,对甘肃华亭地区矿震记录波形采取多种数据处理技术,剔除噪声干扰、滤波后,分析解释了甘肃华亭矿震的典型记录特征。结果表明:华亭矿震的宽频带记录表现为近台记录大周期面波发育,持续时间较长;平凉台(PLT)场地放大作用明显,所计算的震级偏大。
Based on the Lanzhou broadband seismic network data of the “15” digital network project, a variety of data processing techniques are used to mine the recorded waveforms of Huating earthquake in Huating, Gansu. After eliminating the noise interference and filtering, the typical records of mine shocks in Huating, Gansu Province are analyzed and explained feature. The results show that broad-band recording of Huating mine shock shows that the large-period surface wave is recorded near the station and lasted for a long time, and the amplification of the Pingtung station (PLT) is obvious, and the calculated magnitude is large.