函館におけるオメガ測定値の統計的考察-VI : A-E pair,C-E pair,D-E pair,およびE-H pairの周年傾向

概要

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The purpose of this study was to examine the peculiarity of the Omega phase difference all round a fixed location. We measured the phase difference of the A-E, C-E, D-E and E-H pairs every 30 minutes at the Faculty of Fisheries of Hokkaido University from January 1, 1977 till December 31, 1977. The phenomena can be analyzed by Fourier's analysis of the propagation correction every half-month. We determined the amplitudes a_n and phases β_n from the following equation: [numerical formula] When the Omega signals passed through an all daytime path, both the E-H and the C-E pairs showed a small standard deviation around the mean values of every one hour measurement, but the others did not show a distinct difference in connection to time variation. As to the steadiness of the phase difference, the E-H pair was better than the others, but the accuracy of position was not satisfactory because of the smallness of its included angle.
社団法人日本航海学会の論文
1979-02-20