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对江苏省数字地震台网观测系统与模拟台网观测系统在震级测定方面的一致性进行了探讨。定量分析了数字台网的“速度型震级”、“仿真位移型震级”与模拟台网位移震级的差异。初步结果表明 ,在测量误差允许范围内 ,数字网的“仿真位移型震级”可以替代模拟网的位移震级 ,震级测定的连续性要求基本可以保证。
The coincidence between magnitude observation of digital seismic network observation system and analog network observation system of Jiangsu Province was discussed. The quantitative analysis of digital speed network “speed magnitude”, “simulation displacement magnitude” and analog network displacement magnitude difference. The preliminary results show that the “simulated displacement magnitude” of the digital network can replace the displacement magnitude of the simulated network within the allowable range of measurement error, and the continuity requirement of the magnitude determination can be basically guaranteed.