Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Patent
1982-09-27
1987-08-11
Kyle, Deborah L.
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Land-reflection type
367 41, 367 43, 364421, 364602, 364724, 364728, G01V 100, G06J 100, G06F 1534
Patent
active
046866558
ABSTRACT:
A filtering system is provided for acquiring and processing signals using a sampled filter for signal separation and signal enhancement; such as for determining locations, distances, and times in a geophysical exploration system. Signature signals permit mixing and seperation with sampled filters, such as for sharing common circuitry and for increasing the amount of acquired information. A sampled filter, such as a digital correlator, is provided for generating high resolution output data in response to low resolution input data processed with low resolution computational circuits. A real-time time-domain correlator is provided with single-bit resolution computational elements to provide improved correlation filtering. A high speed real-time correlator is provided to enhance signals with compositing-after-correlation and with correlation using a plurality of correlation operators.
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Hyatt Gilbert P.
Kyle Deborah L.
Steinberger Brian S.
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