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[会议论文] 作者:XufengWen[1]JingWang[2]JinmingHao[3]XiaogongHu[4],
来源:第十届中国卫星导航学术年会 年份:2019
Beidou-3 Global System Satellite carries the Ka inter-satellite link load. Facing the reality of the on-board environment, the distributed autonomous orbit...
[会议论文] 作者:LiluCui[1]JiangyuQian[2]ZhengboZou[3]XiaolongWang[4]ShiDu[2],
来源:第十届中国卫星导航学术年会 年份:2019
Aiming at the problem of cycle-slip detectionand repair, the ultra-wide lane combination is used to assist the pseudo-distance phase combination in order to...
[会议论文] 作者:YangyangLiu[1]BaoqiSun[2]XuhaiYang[2]MeifangWu[3]YuanxinWang[3]KeSu[4]GuoqiangJiao[4]ShengliWang[5],
来源:第十届中国卫星导航学术年会 年份:2019
Broadcast ephemeris accuracy is an important index of GNSS navigation system performance evaluation. As a component of broadcast ephemeris, the accuracy of...
[会议论文] 作者:ShuangchengZhang[1]ChenglongZhang[2]LifuWang[3]TaoChe[4]HaoLi[2]XuerongChen[2],
来源:第十届中国卫星导航学术年会 年份:2019
Snowfall is an important freshwater resource; manual monitoring and laser detection can monitor snow to a certain extent, but there is a lot of uncertainty...
Towards Robust Crowdsourcing on Wireless and Environmental Localization Maps - A GNSS and Multi-Sens
[会议论文] 作者:YouLi[1]ZhouzhengGao[2]ZheHe[1]PengZhang[3]ChuangShi[4]NaserEl-Sheimy[1],
来源:第十届中国卫星导航学术年会 年份:2019
Crowdsourcing-based localization signal (e.g., wireless signal and environmental signal) database updating is becoming a trend for low-cost location-based s...
[会议论文] 作者:GuishengZhao[1]ShuangchengZhang[2]QinZhang[1]JingjiangZhang[3]LifuWang[4]TaoWang[1],
来源:第十届中国卫星导航学术年会 年份:2019
This Soil moisture is an important part of the surface water cycle. Effective monitoring of soil moisture is of great significance for weather forecasting,...
[会议论文] 作者:YizeZhang[1]NobuakiKubo[2]JunpingChen[3]HuWang[4]JiexianWang[5],
来源:第十届中国卫星导航学术年会 年份:2019
Inter-frequency clock bias (IFCB) should be considered when performing triple-frequency GNSS precise point positioning (PPP). Traditional approach of IFCB e...
[期刊论文] 作者:詹延足,,
来源:考试周刊 年份:2019
初中历史课程与其他课程的交叉关联可谓十分突出,而借用这种交叉关联性帮助开展跨科目的教学活动课可以说是一种别出心裁的教育方式,在这种方式下学生不仅能够对历史内容加深...
[期刊论文] 作者:邹光勇1,刘明宇2,何建民3,刘鹏4,,
来源:旅游学刊 年份:2019
旅游定价是经济研究的一个核心议题,文章提出了传统公共景区自然垄断与在线旅行平台双边垄断共存这一新现象,然后从传统的单一经济问题研究拓展到旅游业内不同类别市场的关联...
[期刊论文] 作者:詹仁斌,
来源:古生物学报 年份:2019
中国古生物学会成立于1929年,是我国成立最早的自然科学学术团体之一.从成立至今历经90年,虽然在地质历史中微不足道,但恰恰是这90年的时间,中国的古生物工作者们传承家国情...
[期刊论文] 作者:林奈津美,
来源:优雅 年份:2019
摄影作品"漂浮少女"系列,其创意源自日本女孩林奈津美的突发奇想。她与她的的单反相机走遍了东京各处,利用延时自拍技术为自己拍摄了一组"浮游"照片,引发了众多粉丝的效仿,以至于有那么很长一段时间,这种给人以悬浮错觉的照片成为了一种新的自拍方式。不同的地点、不......
Accuracy Assessment and Improvement of GNSS Precise Point Positioning under Ionospheric Scintillatio
[会议论文] 作者:ZhenlongFang[1]WenfengNie[1]TianheXu[2]ZhizhaoLiu[3]ShiweiYu[3],
来源:第十届中国卫星导航学术年会 年份:2019
We focus on the accuracy analysis and improvement of multi-GNSS precise point positioning (PPP) during ionospheric scintillation. By using the observation d...
[会议论文] 作者:YaoGuo[1]XueWang[1]XiaochunLu[2]YongnanRao[3]ChengyanHe[3],
来源:第十届中国卫星导航学术年会 年份:2019
The B1C signal of Beidou-3 satellite navigation system adopts data and pilot separation to realize the transmission of message information and ranging funct...
[期刊论文] 作者:余子濠1, 2 刘志刚1, 2 李一苇1, 2 黄博文,
来源:计算机研究与发展 年份:2019
随着开放指令集RISC-V的流行,开源芯片的概念逐渐进入人们的视野。但是目前的芯片设计项目需要投入相当的人力和时间才能开展,并且具有一定的风险,这些情况一定程度上限制了开源......
[会议论文] 作者:NingWang[1]KezhaoLi[2]JinbenWei[3],
来源:第十届中国卫星导航学术年会 年份:2019
How to improve the speed and accuracy of location information is one of the key issues in current satellite navigation and positioning. This paper proposes...
Assessment of BeiDou-2 orbit and clock quality based on analysis of wide-lane ambiguities derived fr
[会议论文] 作者:SijingLiu[1]GangChen[2]QileZhao[3],
来源:第十届中国卫星导航学术年会 年份:2019
Precise point positioning (PPP) technique has been widely employed for precise positioning as it does not explicitly need any reference stations. The BeiDou...
[期刊论文] 作者:董忱1,赵龙2,张斌2,陈虎3,,
来源:中华细胞与干细胞杂志(电子版) 年份:2019
造血干细胞(HSCs)是血液系统中的一类成体干细胞群,具有自我更新和多谱系分化两个基本特征.造血干细胞移植(HSCT)可以治疗退行性疾病和多种血液系统疾病.脐带血来源造血干细...
The Challenges of LEO based Navigation Augmentation System - Lessons Learned from Luojia-1A satellit
[会议论文] 作者:LeiWang[1]RuizhiChen[1]BeizhenXu[2]XinxinZhang[2]TaoLi[2]CailunWu[3],
来源:第十届中国卫星导航学术年会 年份:2019
The Low earth orbiter(LEO) based navigation signal transmitters has advantages in fast-changing geometry and low free space loss, which can be served as a c...
[会议论文] 作者:ShuangchengZhang[1]XuerongChen[2]YangNan[3]QiLiu[2],
来源:第十届中国卫星导航学术年会 年份:2019
The monitoring of sea level change is a hot issue in the field of marine environment and global climate change research. With the rapid development of GNSS...
[会议论文] 作者:HuilinWu[1]ShuangchengZhang[2]HuayiZhang[3]QiLiu[1],
来源:第十届中国卫星导航学术年会 年份:2019
The ocean tide model is an important factor in determining high-precision and high-resolution gravity field models, sea surface topography and ocean circula...
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