NTR: 2000 Hz top-bandwidth multi-channel seismic reflection systems
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codval 365 codnam/n 2000 Hz top-bandwidth multi-channel seismic reflection systems definition An energy source with a frequency up to 2000 Hz (sampling interval ranging from 0.5-0.25 msec) plus a multiple strings of towed hydrophones (streamers) that determine geologic structure by detecting waves reflected by subsurface layers.