Seismic transmission method and device for a very low error rate

Details Seismic transmission method and device for a very low error rate Seismic transmission method and device for a very low error rate

1993-12-07

1994-09-27

Beausoliel, Jr., Robert W.

Excavating

371 377, G06F 1100, G06F 1110, H03M 1300

Patent

active

053512448

ABSTRACT:
A method and an apparatus are applied to the seismic data received by receivers (Ri) distributed in the field and collected by acquisition boxes (Bi), in order to be transmitted to a central control and recording station (P), for example through hertzian channels. Digital words by adding to each N1-bit digitized signal sample, in each acquisition box, a n-bit coding suffix sufficient for detecting and correcting any transmission-related error. In order to eliminate the effect of long interferences, the method also comprises arranging the words in blocks, interleaving the words of each block at the time of the transmission, and forming digital symbols. A complementary sequence for reverse interlacing, deblocking and correcting possible errors brings the digital samples back to the original state thereof.

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patent: 5022029 (1991-06-01), Guichon
patent: 5070503 (1991-12-01), Shikakura
patent: 5109385 (1992-04-01), Karp et al.
International Conference on Video and Data Recording, Southampton Hampshire, 24-27 Jul. 1979, supplement IERE conference Proceedings No. 43; M. R. De Haan et al.: "A system concept for optical data recording" *p. 5, lines 12-43; FIG. 5*.

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