Articles | Volume 12, issue 1
https://doi.org/10.5194/gi-12-57-2023
https://doi.org/10.5194/gi-12-57-2023
Research article
 | 
14 Apr 2023
Research article |  | 14 Apr 2023

Development of an expendable current profiler based on modulation and demodulation

Keyu Zhou, Qisheng Zhang, Guangyuan Chen, Zucan Lin, Yunliang Liu, and Pengyu Li

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Short summary
The expendable current profiler (XCP) is a single-use instrument that rapidly measures currents, including the velocity, flow direction, and temperature of seawater. This study improves upon the design of the XCP to reduce the cost of the single-use devices. This has been achieved by adopting signal modulation and demodulation to transmit analog signals on an enamelled wire and digitizing the signal above the surface of the water.