jgg     2013 33 (4):  69-72    ISSN: 0412-1961  CN: 21-1139/TG

PREDICTION OF  LENGTH OF DAY BASED ON LS+AR MODEL  AND  
ACCURACY ANALYSIS OF DIFFERENT CYCLE TERM
1) School of Geology Engineering and Surveying, Chang’an University, Xi’an 710054
2)Aerors Inc.,Xi’an 710100
3) State Key Laboratory of Geoinformation Engineering, Xi’an 710054
4) Xi’an Research Institute of Surveying and Mapping, Xi’an 710054
Received: 2012-09-30  Revised: null  Online: 2013-08-16
Supporting info