相关期刊:《山东科技大学学报(自然科学版)》《Transactions of Nanjing University of Aeronautics and Astronautics》《Science Bulletin》《Progress in Natural Science:Materials International》更多>>
Supported by National Natural Science Foundation of China (Grant No. 40204001); Shandong University of Science and Technology (Grant No.SD2003-5)
The basic principles and methods for precisely determining ionospheric delays in GPS observations are introduced and discussed. Various methods and models for fitting ionospheric delays based on GPS are compared and a...
An improved method based on the Tikhonov regularization principle and the precisely known reference station coordinate is proposed to design the regularized matrix. The ill-conditioning of the normal matrix can be imp...
supported by the National Natural Science Foundation of China(Grant Nos.40474009 and 40204001);the Know ledge lnnovation Project of Chinese Academy of Sciences(Grant No.030185).
A kind of uniform reliability index suitable for the code and phase observations is presented and used in reliability evaluation of satellite systems. Then, based on 25 stations of Crustal Movement Observation Network...