QQ客服 官方微博 反馈留言

浏览/检索结果: 共7条，第1-7条 帮助 限定条件 发表日期：2018     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Anomaly analysis of 18 years of newly merged GPS ephemeris from four IGS data centers 期刊论文 GPS SOLUTIONS, 2018, 卷号: 22, 期号: 4, 页码: 13 作者:  Wang, Haitao;  Jiang, Hu;  Ou, Jikun;  Sun, Baoqi;  Zhong, Shiming 收藏  |  浏览/下载：19/0  |  提交时间：2021/11/29 Remerged navigation data  IGS data centers  GPS system performance assessment  Frequency-dependent pattern recognition  Robust ephemeris elements   A grid-based tropospheric product for China using a GNSS network 期刊论文 JOURNAL OF GEODESY, 2018, 卷号: 92, 期号: 7, 页码: 765-777 作者:  Zhang, Baocheng;  Li, Wei;  Yuan, Yunbin;  Zhang, Hongxing;  Ou, Jikun 收藏  |  浏览/下载：37/0  |  提交时间：2018/12/29 Global navigation satellite systems (GNSS)  Zenith tropospheric delay (ZTD)  IGGtrop model  Grid-based tropospheric product (GTP)  Undifferenced and uncombined precise point positioning (UU-PPP)   Anomaly analysis of 18 years of newly merged GPS ephemeris from four IGS data centers 期刊论文 GPS SOLUTIONS, 2018, 卷号: 22, 期号: 4 作者:  Wang, Haitao;  Jiang, Hu;  Ou, Jikun;  Sun, Baoqi;  Zhong, Shiming 收藏  |  浏览/下载：8/0  |  提交时间：2019/12/05 Remerged navigation data  IGS data centers  GPS system performance assessment  Frequency-dependent pattern recognition  Robust ephemeris elements   IGGtrop-SH and IGGtrop-rH: Two improved empirical tropospheric delay models based on vertical reduction functions 期刊论文 IEEE Transactions on Geoscience and Remote Sensing, 2018, 卷号: 56, 期号: 9 作者:  Li, Wei;  Yuan, Yunbin;  Ou, Jikun;  He, Yujin 收藏  |  浏览/下载：7/0  |  提交时间：2019/12/05 IGGtrop_SH and IGGtrop_rH: Two Improved Empirical Tropospheric Delay Models Based on Vertical Reduction Functions 期刊论文 IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, 2018, 卷号: 56, 期号: 9 作者:  Li, Wei;  Yuan, Yunbin;  Ou, Jikun;  He, Yujin 收藏  |  浏览/下载：10/0  |  提交时间：2019/12/05 IGGtrop model  tropospheric propagation delay  vertical reduction function  zenith delay  zenith tropospheric delay (ZTD) correction model   Construction of a regional precise tropospheric delay model based on improved BP neural network 期刊论文 CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2018, 卷号: 61, 期号: 8, 页码: 3139-3148 作者:  Xiao GongWei;  Ou JiKun;  Liu GuoLin;  Zhang HongXing 收藏  |  浏览/下载：11/0  |  提交时间：2019/12/11 BP neural network  Regional tropospheric delay  CORS  Fitting model   IGGtrop_SH and IGGtrop_rH: two improved empirical tropospheric delay models based on vertical reduction functions 期刊论文 IEEE Transactions on Geoscience and Remote Sensing, 2018, 卷号: Vol.56 No.9, 页码: 5276-5288 作者:  Wei Li;  Yunbin Yuan;  Jikun Ou;  Yujin He 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/26