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ABNORMALITY DETECTING DEVICE, COMMUNICATION DEVICE, ABNORMALITY DETECTING METHOD, PROGRAM, AND RECORDING MEDIUM

Foreign code F180009606
File No. 5607
Posted date 2018年11月16日
Country 世界知的所有権機関(WIPO)
International application number 2017JP042333
International publication number WO 2018097272
Date of international filing 平成29年11月27日(2017.11.27)
Date of international publication 平成30年5月31日(2018.5.31)
Priority data
  • 特願2016-230526 (2016.11.28) JP
Title ABNORMALITY DETECTING DEVICE, COMMUNICATION DEVICE, ABNORMALITY DETECTING METHOD, PROGRAM, AND RECORDING MEDIUM
Abstract A computer calculates an amount of change from an observation start time in a total number of electrons in the ionosphere between an observation station on the ground and a satellite, on the basis of observed data of a signal received from the satellite by the observation station. The computer estimates the next calculated amount of change in the total number of electrons on the basis of a change over time in the amount of change in the total number of electrons in the ionosphere from the observation start time, and calculates a difference (estimation error) between the estimated amount of change in the total number of electrons and the actual calculated amount of change in the total number of electrons. The computer calculates a correlation value between the estimation error calculated for each observation station and the estimation error calculated for a certain number of observation stations in the vicinity of each observation station. If the correlation value calculated for each observation station is equal to or greater than a certain threshold, the computer determines that an abnormality has occurred in the ionosphere between the observation station and the satellite if the correlation value for the certain number of observation stations in the vicinity of said observation station is also equal to or greater than the certain threshold.
Outline of related art and contending technology BACKGROUND ART
Notifies the occurrence of an earthquake early announcement is being performed.When an earthquake occurs, P wave and S wave (Primary Wave) locations (Secondary Wave) (swing) is referred to as seismic waves are propagated.P wave and S wave (initial fine) is different from the speed (main motion) is transmitted, is transmitted to the destination P at the time when the sensing wave, S wave is propagated by the announcement prior to the occurrence of an earthquake can be notified.Specifically, the earthquake is located close to the focus meter in a sensed point P wave, P wave and the location of the focus from the observed data to estimate the scale (magnitude), the estimated location of the focus and size of each of the feature based on the S-wave arrival time and the predicted seismic intensity is notified.
In addition, in recent years, the occurrence of an earthquake, referred to as the upper atmosphere greater than the number of electrons in the ionization zone of the relationship between the variation of the research is being performed.For example, in Non-Patent Document 1, about an earthquake occurs before the time 1 after an earthquake occurrence in the time zone of about 30 to, the number of electrons in the ionization zone of the sky of the focus, before and after the ionizing zone a time zone in which the number of electrons compared to the fluctuations of the abnormal increase in the reported.
  • Applicant
  • ※All designated countries except for US in the data before July 2012
  • KYOTO UNIVERSITY
  • Inventor
  • UMENO, Ken
  • IWATA, Takuya
IPC(International Patent Classification)
Specified countries National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DJ DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS JO JP KE KG KH KN KP KR KW KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG
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