| 摘要 |
PROBLEM TO BE SOLVED: To match the direction of the central shaft of a first antenna with a second antenna. SOLUTION: This antenna direction adjusting device 100 for adjusting the direction of the center shaft of a first antenna, so that the center shaft of the first antenna can face a second antenna is provided with a light source 35, arranged near the first antenna for emitting a bema which his almost in parallel with the center shaft of the first antenna, a detector 65 arranged near the second antenna for detecting the position irradiated with the beam on a light-receiving plate, and a direction error specifying part 70 for calculating errors between a target position, which should be irradiated with the beam, when the central shaft of the first antenna is faced to the second antenna and the position irradiated with the beam.
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