NTR: 1000 Hz top-bandwidth multi-channel seismic reflection systems
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codval 364 codnam/n 1000 Hz top-bandwidth multi-channel seismic reflection systems definition An energy source with a frequency up to 1000 Hz (sampling interval ranging from 2-0.5 msec) plus a multiple strings of towed hydrophones (streamers) that determine geologic structure by detecting waves reflected by subsurface layers.