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[期刊论文] 作者:2 3=5, 来源:课堂内外(初中版) 年份:2019
《我是路人甲》  主演:万国鹏/王婷/沈凯/徐小琴/林晨  标签:梦想与努力  推荐指数:★★★☆  百分百幸运的背后是努力  每个人的生命就是从A点到B点的区间,而每一天的轨迹就是区间中小小的一点。日复一日,年复一年,无数的点构成了线,最后画出人生的轨迹。生......
[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: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...
[会议论文] 作者:LiqianZhao[1]XiaogongHu[2]ShanshiZhou[2]ChengpanTang[2]YufeiYang[3], 来源:第十届中国卫星导航学术年会 年份:2019
  Beidou-2 satellite navigation system adopts China Geodetic Coordinate System 2000 (CGCS2000), which can't meet the requirements of Beidou-3 global service a...
[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...
[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...
[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: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...
[会议论文] 作者:ChaoHu[1]QianxinWang[2]ZhiwenWang[3]YaMao[1], 来源:第十届中国卫星导航学术年会 年份:2019
  Earth Rotation Parameter (ERP) is one of the most important parameters in the area of positioning and navigation, autonomous orbit determination and Earth r...
[期刊论文] 作者:向玉婷1, 2, 3 张俊玲 1, 3* 新艳1, 3 施, 来源:基因组学与应用生物学 年份:2019
脆性X智力低下1号基因(fragile X mental retardation 1, fmr1)编码的蛋白FMRP是一种RNA结合蛋白,当fmr1基因缺失时雌鼠卵巢中卵泡数目减少、生殖功能会降低。牙鲆(Paralichth...
[期刊论文] 作者:董忱1,2,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...
[会议论文] 作者:TengPeng[1]DangweiWang[2]XiaolinJIA[3]YuanzhengMA;, 来源:第十届中国卫星导航学术年会 年份:2019
  We analyzed the disturbance anomaly in the global ionosphere TEC caused by Coronal mass Ejection on May 23, 2017,based on the GPS ionosphere detection techn...
[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...
[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...
[期刊论文] 作者:鑫^1, 晓菲^{2, 3}, 丁超^1,, 来源:宝鸡文理学院学报(自然科学版) 年份:2019
目的:针对多级齿轮传动系统中行星轮故障信号微弱、难以识别的问题,利用传递特性分析挖掘故障信号的传递关系,提出行星轮故障信号的识别方法。方法:以多级齿轮传动系统故障仿...
[会议论文] 作者:ZhiqiaoChang[1]XiaogongHu[2]RuiGuo[1]HuiRen[1]LiMa[3]ChengpanTang[2]JunyuPu[1], 来源:第十届中国卫星导航学术年会 年份:2019
  In order to meet accuracy requirements of long-term almanac parameters for assisting inter-satellite link signal acquisition in autonomous navigation mode,...
[期刊论文] 作者:鑫^1, 晓菲^{2, 3}, 丁超, 来源:宝鸡文理学院学报(自然科学版 年份:2019
[期刊论文] 作者:帅伟1,于少将2,李绍康3,袁2,, 来源:地震工程学报 年份:2019
砂土液化是一种危害性比较大的自然灾害,对砂土液化进行判定预测在地质灾害防治领域中有重要的研究意义.通过粗糙集理论(Rough Set,RS)对影响砂土液化的6个初始评价指标(包括...
[会议论文] 作者:ShuguangWu[1]GuigenNie[2]ChanghuXue[1]FengyouPeng[1]LeiQiu[3], 来源:第十届中国卫星导航学术年会 年份:2019
  Taking Shenzhen CORS system as an example, this paper performs high-precision calculation on the GPS data of Trimble and Panda receivers from 11 reference s...
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