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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,...
[期刊论文] 作者:张文成, 朱丽臻, 李富强, 朱丽萍, 颜世敢,,
来源:齐鲁工业大学学报 年份:2019
沙门氏菌是一种危害较大的食源性致病菌,能造成人的感染和食物中毒,影响公共卫生和食品安全。沙门氏菌的分型研究有助于实现病原微生物的溯源分析,对沙门氏菌的防控和风险评...
[期刊论文] 作者:张文成,朱丽臻,李富强,朱丽萍,颜世敢,
来源:齐鲁工业大学学报 年份:2019
...
[期刊论文] 作者:陆承平,
来源:中国兽医杂志 年份:2019
就我所知,改革开放之前,从德国学成归来从事兽医教育的著名学者只有两人:盛彤笙(1911-1987年)和冯淇辉(1919-2011年)。盛先生1938年归国,曾任国立兽医学院院长,1955年当选中...
[期刊论文] 作者:张文成,朱丽萍,颜世敢,ZHANGWencheng,ZHULiping,YANShigan,
来源:城市道桥与防洪 年份:2019
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:孙锡顺,朱丽臻,朱丽萍,张文成,颜世敢,
来源:齐鲁工业大学学报:自然科学版 年份:2019
以紫松果菊提取液中菊苣酸的得率为指标,考察不同有机溶剂、回流温度、有机溶剂浓度、回流时间以及回流次数对菊苣酸得率的影响。分析实验结果并考虑成本因素,确定以料液比1...
[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:陆敢,,
来源:农业技术与装备 年份:2019
强化营林造林的相关工作对于促进我国林业经济发展、保证林业健康以及实现可持续发展的理念都具有不可或缺的推动作用及意义。...
[期刊论文] 作者:苑丹阳1, 2, 赵慧颖3, 李宗善4, 朱良军1, 2, 国,
来源:生态学报 年份:2019
...
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:巢玉彬,颜世敢,
来源:食品安全导刊 年份:2019
为了解潍坊市市售蔬菜农药残留情况,2018年在潍坊城区及周边采集蔬菜样品946份,对39种农药残留进行检测。结果表明,全年蔬菜农药残留检出率为6.5%,超标率为0.6%,其中茄果类和...
[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...
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...
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