MEMORY GRADIENT METHOD FOR DETERMINING NEAR EARTHQUAKE TIME AND SPACE PARAMETERS WITH COMPUTER
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    Abstract:

    In this paper, a computer program for determining near earthquake time and space parameters is designed, on the basis of memory gradient method for unconstrained optimization. As long as the computer gets the recorded data from more than three stations, it can run. The recorded major phases(P, S, Pn, Sn) all can be used in the program. The program is applicable to determine the parameters of near earthquake in or out of the network of stations. Even if the earthquake is far from the network, the precision of the results determined with this program is not lower than that with the method of intersection.

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History
  • Received:December 20,1989
  • Revised:
  • Adopted:
  • Online: July 04,2017
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