| 摘要 |
PCT No. PCT/US79/00603 Sec. 371 Date Apr. 13, 1981 Sec. 102(e) Date Feb. 24, 1981 PCT Filed Aug. 13, 1979 PCT Pub. No. WO81/00459 PCT Pub. Date Feb. 19, 1981.A carrier mounted seismic vibrator system that is primarily adapted for generation of high force, high frequency seismic energy into an earth medium. The apparatus includes first and second vibrators (12F and R) as supported by first and second lift systems (28F and R) disposed in tandem juxtaposition generally centrally in said vehicle (10), and the lift systems (28F and R) are designed to maintain equal hold-down force on the vibrator coupling baseplates (32F and R) without exceeding the weight of the carrier vehicle. The juxtaposed vibrators are then energized in synchronized relationship to propagate increased amounts of higher frequency seismic energy into an earth medium. |
