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Article
Statistical analysis on energy field of seismicity in Ningxia and its neighborhood region
The random function theory is used in the paper. Taking the regional seismicity energy as the random function of space and time, the features of small seismicity field in Ningxia and its neighborhood region ar...
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Article
Application of non-stationary Poisson model prediction on seismic belts in northwestern of China
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Article
Characteristics of coda Q-value in the midnorthern part of Ningxia
On the basis of previous studies, this paper, in studying the coda Q-value of near shocks, has proposed using the sampling depth to describe the effect of lapse time on the Q-value, and has investigated the depen...
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Article
Inversion of 3-D crustal P-wave velocity structure in Ningxia and its neighborhood by using direct, reflected and refracted waves
In this paper, simultaneous inversions for hypocentres and three-dimensional (3-D) crustral P-wave velocity structure of Ningxia and its neighborhood are performed, by using the data of direct P wave, reflecte...
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Article
An improvement on the method of the pattern recognition ICHAM and its application
In this paper, an improvement is made on the method of the pattern recognition ICHAM. It is proposed to use the iterative centre as the Hamming kernel. And new weight coefficient calculating the Euclidean dist...