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Design and Implementation of a Wireless Recorder System for Seismic Noise Array Measurements
Julio Antonio Jornet-Monteverde1,2, Juan José Galiana-Merino1,2, Juan Luis Soler-Llorens3
1Department of Physics, Systems Engineering and Signal Theory, University of Alicante, Crta. San Vicente del Raspeig, s/n, 03080 Alicante, Spain.
Sensors (Basel, Switzerland)
|November 11, 2022
Summary
A new wireless data acquisition system enables seismic noise array measurements using battery-powered nodes and a central server. This system offers real-time data viewing and remote operation for seismic monitoring.
Area of Science:
- Geophysics and Earth Sciences
- Sensor Technology
- Wireless Communication Systems
Background:
- Seismic noise array measurements are crucial for understanding Earth's subsurface.
- Existing data acquisition systems can be limited by power and connectivity constraints.
- The need for flexible, deployable, and real-time seismic monitoring solutions is growing.
Purpose of the Study:
- To develop and present a novel wireless data acquisition system for seismic noise array measurements.
- To design a system with independent power nodes for versatile deployment.
- To create a user-friendly interface for system configuration and real-time data visualization.
Main Methods:
- A point-to-multipoint topology was implemented, featuring CC3200 microcontroller-based nodes and a Raspberry Pi 4B central server.
- Nodes include low-noise conditioning circuits and analog-to-digital converters for seismic sensor integration.
- Wi-Fi connectivity was utilized for data transmission, with a JavaScript node.js Web interface for control and monitoring.
Main Results:
- The system successfully acquired and saved seismic noise data from multiple nodes.
- The Web interface provided real-time signal visualization and system control capabilities.
- Prototype testing in four diverse locations confirmed the system's suitability for seismic noise array measurements.
Conclusions:
- The developed wireless data acquisition system is effective and suitable for seismic noise array measurements.
- Its battery-powered, deployable nature and remote operation capabilities enhance seismic monitoring flexibility.
- The system demonstrates a practical solution for real-time seismic data collection in various environments.
