Abstract:We show the asymptotical expressions for equal space in time (EST) and equal space in distance (ESD), in order to estimate the standard deviation of the parameters of the initial position, the initial velocity and the gravity acceleration. We then discuss the variation of the standard deviation of the gravity acceleration, caused by fringe scales, initial velocity and data segment. By increasing the scales, reducing the initial velocity and selecting the suitable data segment, we give the optimization method for obtaining a minimal value of the standard deviation of the gravity acceleration.
HU Ming,ZHANG Weimin,TIAN Wei et al. Optimization of the Standard Deviation of the Estimated Gravity Acceleration in the Free Fall Absolute Gravimeter[J]. jgg, 2016, 36(8): 694-697.