Application of Fisher method to discriminating earthquakes and explosions using criterion m b/ M S |
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Authors: | Bian Yin-ju |
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Institution: | (1) Institute of Geophysics, China Earthquake Administration, 100081 Beijing, China |
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Abstract: | We try to give a quantitative and global discrimination function by studying m
b/M
S data using Fisher method that is a kind of pattern recognition methods. The reliability of the function is also analyzed.
The results show that this criterion works well and has a global feature, which can be used as first-level filtering criterions
in event identification. The quantitative and linear discrimination function makes it possible to identify events automatically
and achieve the goal to react the events quickly and effectively.
Contribution No.05FE3018, Institute of Geophysics, China Earthquake Administrtion. |
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Keywords: | m b/M S Fisher method seismological criterion pattern recognition discrimination efficiency |
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