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ホーム > 刊行物 > 地磁気観測所要報 第16巻 第02号 > 地磁気観測所要報 第16巻 第02号 >Transfer Function at Kakioka

地磁気観測所要報 第16巻 第02号, p.143, December, 1975


Transfer Function at Kakioka


Shiraki, M. & Yanagihara, K.


Abstract

 It is a well known fact that vectors of geomagnetic short period variation have an approximate relation,
 
  ΔZ=AΔH+ BΔD
 
  between their components ΔH, ΔD and ΔZ. A and B are functions of frequency (period) and called transfer functions. In the present paper the transfer functions at Kakioka are obtained for the periods from 15 to 120 minutes by means of the method developed by Everett and Hyndman (1967) using fifteen geomagnetic storms. The present transfer functions are compared with A and B obtained by the traditional method. And some problems are discussed briefiy.



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