MIT2_00AJs09_res04

MIT2_00AJs09_res04 - MIT OpenCourseWare http/ocw.mit.edu...

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MIT OpenCourseWare http://ocw.mit.edu 2.00AJ / 16.00AJ Exploring Sea, Space, & Earth: Fundamentals of Engineering Design Spring 2009 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms .
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Procedure for calibrating sensor data 05/06/09 The key to calibrating your sensor is to have at least two data points for pressure. By taking data at a specific depth and measuring the distance from the surface to your ROV, you can relate your sensor’s raw pressure data to that depth by using the barometric formula. (Hint: A string tied to the vehicle or your tether would work.) Remember that you also have another data point at the surface. You would have to know what part of your raw sensor data relates to this depth. Ex. Dive to the bottom of the river and measure the depth. This way you will know that the highest value of your raw pressure data is taken at that depth. Alternatively you could take
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MIT2_00AJs09_res04 - MIT OpenCourseWare http/ocw.mit.edu...

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