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[会议论文] 作者：梅景亮,
来源：2019中国肿瘤学大会 年份：2019
目的 观察经鼻高流量湿化氧疗(humidified high flow nasal cannula oxygen therapy,HFNC)应用于肺癌术后低氧血症患者时的效果,并总结其日常护理要点.方法 该研究为非盲随机对照试验.选取2018 年6 月至2018 年12 月期间于我科住院的肺癌术后低氧血症患者为研究......
[会议论文] 作者：郑军领,,
来源：南京大学 年份：2019
设Λ是artin代数.利用某些单模类的投射维数和内射维数以及Λ的根层长度,我们给出了有限生成右Λ-模范畴modA的有界导出范畴的维数的一个上界.此外利用Λ的根层长度,我们也给...
[会议论文] 作者：郑荣领,
来源：第十届全国疑难及重症肝病大会 年份：2019
...
[会议论文] 作者：周来领,
来源：教师教育论坛（第五辑 年份：2019
...
[会议论文] 作者：FenfenLi[1]LilongLiu[1]LiangkeHuang[1]WeiZhou[1]JunyuLi[2]YunzhenYang[1]DongguiHuang[1],
来源：第十届中国卫星导航学术年会 年份：2019
Snow cover plays an important role in global climate regulation and hydrological cycle. However, conventional detection methods cannot achieve accurate dete...
[会议论文] 作者：ChunxuChen[1]LingPei[1]ChangqingXu[1]DanpingZou[1]YuhuiQi[2]YifanZhu[1]TaoLi[1],
来源：第十届中国卫星导航学术年会 年份：2019
Simultaneous localization and Mapping (SLAM) is one of the key technologies for autonomous navigation of mobile robots. In recent years, researchers have st...
[会议论文] 作者：YunzhenYang[1]LilongLiu[1]LiangkeHuang[1]JunChen[2]WeiZhou[1]QingtongWan[1],
来源：第十届中国卫星导航学术年会 年份：2019
The classic Klobuchar model is widely used in navigation and positioning. However, the ionospheric delay correction accuracy is difficult to meet the high-p...
[会议论文] 作者：YifanJing[1]AnminZeng[2]AngZhao[1]YangyinXu[1]YueyuanMa[1],
来源：第十届中国卫星导航学术年会 年份：2019
The Global Navigation Satellite System (GNSS) user will benefit a lot from the multi-system fusion positioning in availability, accuracy and reliability. Ho...
[会议论文] 作者：NaLiu[1]PengfeiZhang[1]YupingGao[1]PingliWang[1]ChengshiZhao[2],
来源：第十届中国卫星导航学术年会 年份：2019
The technique of ground-based GPS tomography is a newly spatial tool to sense the water vapor profile in atmosphere area. It has become a complementary tech...
[会议论文] 作者：ZhengxieZhang[1]ChengfaGao[1]ShuguoPan[2]PuyuSun[1]BoChen[1],
来源：第十届中国卫星导航学术年会 年份：2019
Ionospheric delay is one of the main errors in GNSS positioning. The ionospheric total electron content (TEC) is the key information reflecting the ionosphe...
[会议论文] 作者：BoZhang[1]FupingSun[1]XiaolinJia[2]HailiangDai[1]KaiXiao[1],
来源：第十届中国卫星导航学术年会 年份：2019
The performance of on-board atomic clock directly affects the accuracy of navigation and positioning for users. Evaluating the performance of on-board atomi...
[会议论文] 作者：ShunYu[1]FujianMa[2]WeiWang[1]RenpanWu[1]QiZeng[1],
来源：第十届中国卫星导航学术年会 年份：2019
The BDS-3 basic system has already been established, starting to provide global service. As a new generation navigation system, the BDS-3 adopts a global io...
[会议论文] 作者：PeipeiDai[1]XuhaiYang[2]WeijinQin[1]RanWang[1]ZheZhang[1],
来源：第十届中国卫星导航学术年会 年份：2019
Since December 27, 2012, BDS-2 has provided navigation, positioning and timing (PNT) services in the Asia Pacific region. From November 2017 to the end of A...
[会议论文] 作者：DejinYang[1]YongnanRao[1]HuihuiShi[1]XiaochunLu[1]LiKang[2]XueWang[1]ChengyanHe[1]MengWang[2],
来源：第十届中国卫星导航学术年会 年份：2019
The E1A signal of Galileo system provides high-precision location information service for authorized users. The confidentiality of codes and the auto-correl...
[会议论文] 作者：邵银星[1]赵春梅[1]张锡越[2],
来源：第十届中国卫星导航学术年会 年份：2019
低轨(LEO)卫星由于其轨道低、位置变化快且成本较低等特点常被用作通讯卫星,作为目前的商业和科研热点之一具有很大的发展潜力.目前在轨LEO卫星数量庞大,如果能将其运用到导...
[会议论文] 作者：DingLi[1]XueCheng[1]XiaolinJia[2]WuzhaoYang[1],
来源：第十届中国卫星导航学术年会 年份：2019
The accuracy of satellite ephemeris directly affects the accuracy of navigation and positioning. The BDS-3 under construction in China is based on the BDS-2...
[会议论文] 作者：YaqiPeng[1]ChengdongXu[1]FeiNiu[2]YiwenWang[1],
来源：第十届中国卫星导航学术年会 年份：2019
The ionospheric delay has a very important influence on the positioning accuracy of satellite navigation. It can be effectively reduced by establishing an a...
[会议论文] 作者：KeliangHe[1]YulingHe[1]RanCheng[2]GuoyongWang[1],
来源：第十届中国卫星导航学术年会 年份：2019
In this paper, we systematically discussed and analyzed the uncertainties of four typical time transfer links, including the satellite-ground two-way link,...
[会议论文] 作者：YingcaiKuang[1]ZhipingLǚ[1]JuntingWang[2]FangchaoWang[1],
来源：第十届中国卫星导航学术年会 年份：2019
Compared with the current multi-step method to solve the coordinate of the transponder, the combined solution of GNSS observation data and acoustic observat...
A Tightly Combined BDS and GPS Method for RTK Positioning with Triple-frequency Widelane Combination
[会议论文] 作者：HeWen[1]ShuguoPan[1]WangGao[1]QingZhao[2],
来源：第十届中国卫星导航学术年会 年份：2019
Processing the differential inter-system biases (DISBs) correctly is critical for multi-GNSS fusion positioning. A pivot satellite can be selected for RTK p...
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