| 摘要 |
PCT No. PCT/SU84/00038 Sec. 371 Date Mar. 7, 1986 Sec. 102(e) Date Mar. 7, 1986 PCT Filed Jul. 19, 1984 PCT Pub. No. WO86/01002 PCT Pub. Date Feb. 13, 1986.A device for recording seismoelectric signals comprises at least three channels for reception of seismoelectric signals in different frequency bands, each channel having a magnetic antenna (1,2,3) with series-connected amplifier (4,5,6) and a uniform frequency characteristic former (7,8,9), and also two video recorders (10,11), the first video recorder being connected to an output of the receiving channel having the lowest frequency, while the second video recorder (11) is connected, via an adder (12), to the outputs of all other channels. |
