A new ellipse fitting method of the minimum differential-mode noise in the atom interference gravimeter Project supported by the National Key Research and Development Program of China (Grant No. 2017YFC0601602) and the Fundamental Research Funds for the Central Universities, China (Grant Nos. 2017FZA3005 and 2018FZA3005). |
(color online) The phase difference between the true value and the mean fitting value of three different fitting algorithms under different differential noise. |