期刊
APPLIED SCIENCES-BASEL
卷 11, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/app11041947
关键词
signal extraction; correlation; SNR; vibroseis sources; seismic communication
类别
资金
- National Natural Science Foundation of China [41827803]
Seismic communication technology utilizes segmented correlation technology with Morse code to process complex seismic waves in vibration environments, improving the signal-to-noise ratio and suppressing other vibration signals.
Seismic communication might promise to revolutionize the theory of seismic waves. However, one of the greatest challenges to its widespread adoption is the difficulty of signal extraction because the seismic waves in the vibration environments, such as seas, streets, city centers and subways, are very complex. Here, we employ segmented correlation technology with Morse code (SCTMC), which extracts the target signal by cutting the collected data into a series of segments and makes these segments cross-correlate with the decoded signal to process the collected data. To test the effectiveness of the technology, a seismic communication system composed of vibroseis sources and geophones was built in an environment full of other vibration signals. Most notably, it improves the signal-to-noise ratio (SNR), extending the relay distance and suppressing other vibration signals by using technology to deal with seismic data generated by the system.
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