1976 Volume 26 Issue 140 Pages 361-370
Based on to the method of so-called "Matched Filter" by SPECTOR and GRANT (1970), the authors designed a manual process for the bandpass filtering operation. The manual process was applied to the interpretation of airborne magnetic data of the Tsushima islands in order to discriminate composite anomalies consisting of different bands. Then, the authors carried out the two dimenstional analysis, and tried to re-examine the magnetic strcuture of the Tsushima islands. The result of the analysis is quite harmonic with geologic data of the Tsushima islands. Although the manual process is very arbitrary in terms of data-processing, it is considered to be sufficiently helpful for the practical application.
