jgg     2013 33 (5):  154-156    ISSN: 0412-1961  CN: 21-1139/TG STUDY ON METHOD FOR REDUCING NOISES IN MAGLEV GYRO  TOTAL STATION DIRECTIONAL SYSTEM BASED ON WAVELET  TRANSFORM THEORY 1)School of Geodesy Engineering and Geomatics, Chang’an University, Xi’an 710054 2)School of Civil Engineering and Hydraulic, Hefei University of Technology, Hefei 230009 Received: 2013-03-03  Revised: null  Online: 2013-10-13 Supporting info