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Research on Channel Impedance Parameters Dynamic Change Model of XCTD Profiler
Abstract:
In order to analyze low signal-to-noise rate (SNR) of data transmission while XCTD (Expendable Conductivity, Temperature, and Depth) probe drops at several kilometers underwater, a channel impedance parameters dynamic change model is established. The analysis showed that the greater distributed capacitance between parallel wires having the greater impact on SNR in deep-water channel, improvement of wire structure and material and reduce the distributed capacitance can improve the signal to noise ratio and transmission rate significantly, and that is providing a new way to solve the problem for XCTD signal transmission.
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768-772
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Online since:
February 2013
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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