| 摘要 |
PROBLEM TO BE SOLVED: To easily survey surface wave with high precision by making less likely to be affected by stones on ground, cross wind, etc. and setting in optimum conditions, according to the investigation purpose and ground conditions. SOLUTION: Two ropes 10 are extended in parallel, large number of oscillation receiver units 16 loading oscillation receivers 14 on a base member 12 are prepared and aligned with a specific intervals, and each oscillation receiver unit is spanned between the two ropes, to make whole set capable of traction in a series state. The oscillation units are provided with a mechanical binding mechanism 18 and can be attached to the rope at arbitrary positions with it, and thus the intervals of the receivers 14 can be freely controlled. The base member is almost rectangular plate in shape, and the front and back edges of the bottom are sloping surface or is a bent surface. COPYRIGHT: (C)2005,JPO&NCIPI |
