The control object in a single-freedom silicon micromachined vibratory gyroscope is the proofmass, because of system structure, feedback control is the only choice to control the proofmass.
The principle of accelerometer is based on the measurement of the relative displacement that arises between the elastically suspended proofmass and the accelerometer frame subject to acceleration.
加速度计是靠感测因惯性力引起的相对位移来测量视加速度的,不能测量真实的重力加速度。
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And not just one study, as no one study will be proof of anything - show me the mass of research that's been done.