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- W2151848696 abstract "Combination control technology (CCT) was used widely in seismic prospecting. When ambient noise is strong enough, high-quality seismic data is hardly to be acquired by CCT. To improve signal-to-noise ratio (SNR), phase control technology (PCT) was developed. As different elements of distributed vibrator array system (DVAS) located at different positions, there were wave-differences between each element and underground observation spots. PCT control adjacent elementspsila phase differences to compensate the wave-differences, so seismic waves from different elements were stacked in phase at given target. In fact, DVAS can form directional seismic wave by PCT. Seismic signals from PCT and CCT were synthesized when 6-unit DVAS was used. It resulted that reflected wave signals in phase control mode could be identified accurately. Moreover, SNR increased 4.77 dB-7.78 dB than that in combination mode. All in all, PCT is feasible and superior to boost seismic data quality." @default.
- W2151848696 created "2016-06-24" @default.
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- W2151848696 date "2008-01-01" @default.
- W2151848696 modified "2023-09-27" @default.
- W2151848696 title "Phase control technique of distributed vibrator array system" @default.
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- W2151848696 doi "https://doi.org/10.1109/wcica.2008.4593141" @default.
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