| Abstract | A multi-channel digital data acquisition system is used in the test tanks of the Institute for Marine Dynamics to record parameters of interest. Common signals represent model motions, accelerations, propeller shaft thrust and torque, pressures and forces. Analog signals are conditioned, digitized and transferred to a Microvax computer for calibration, statistical analysis, plotting with time segment selection and expansion, metering, and transfer to the VAX cluster for in-depth analysis and archiving. Problems with the current system and plans for future development will be discussed. |
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