ANTENNA SYSTEM AND ITS TRACKING METHOD
PROBLEM TO BE SOLVED: To provide an antenna system which is in economically advantageous simple structure and small in weight and volume and its tracking method. SOLUTION: An antenna 2 is fitted rotatably to the upper end of a column stood on the antenna fixation surface 1 of a moving body, the ante...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an antenna system which is in economically advantageous simple structure and small in weight and volume and its tracking method. SOLUTION: An antenna 2 is fitted rotatably to the upper end of a column stood on the antenna fixation surface 1 of a moving body, the antenna 2 is adjusted roughly to an azimuth-angle direction and an elevation-angle direction through the cooperation between elevation members 8c and 8d of an azimuth- angle and elevation-angle driving mechanism 8 provided to both the antenna 2 and antenna fixation surface 1, and the orientation direction of a beam 3 in the azimuth-angle and elevation-angle directions of the antenna 2 is adjusted electronically precisely to direct the beam 3 of the antenna 2 correctly to a satellite. |
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