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reg_free
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hello,
I am stuck at understanding the units of noise specification of accelerometers and gyros. I am referring to the datasheet of 3DM-GX1 which has accelerometers and gyro sensors.
the pdf is ..
http://www.microstrain.com/pdf/3DM-GX1%20Detailed%20Specs%20-%20Rev%201%20-%20070723.pdf
My doubt is, the accelerometer white noise is specified as 0.4 mg/(root Hz) .. mg here is milli g (acceleration due to gravity).. so the units are meters per sec-square/(root hertz) ... how do i get standard deviation of the noise in meters/sec-square ??
Moreover, the similar entry for gyro output(Angular rate in the pdf) is given as Random Walk Noise = 3.5 degrees/(root hour) ... how do i get standard deviation of the white noise of gyro output ?? its units should be, ofcourse, degrees/sec or radians/sec
Please, help me, I am not into stochastics and I am stuck at this point since two weeks!
Thanks in advance..
I am stuck at understanding the units of noise specification of accelerometers and gyros. I am referring to the datasheet of 3DM-GX1 which has accelerometers and gyro sensors.
the pdf is ..
http://www.microstrain.com/pdf/3DM-GX1%20Detailed%20Specs%20-%20Rev%201%20-%20070723.pdf
My doubt is, the accelerometer white noise is specified as 0.4 mg/(root Hz) .. mg here is milli g (acceleration due to gravity).. so the units are meters per sec-square/(root hertz) ... how do i get standard deviation of the noise in meters/sec-square ??
Moreover, the similar entry for gyro output(Angular rate in the pdf) is given as Random Walk Noise = 3.5 degrees/(root hour) ... how do i get standard deviation of the white noise of gyro output ?? its units should be, ofcourse, degrees/sec or radians/sec
Please, help me, I am not into stochastics and I am stuck at this point since two weeks!
Thanks in advance..
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