先看第一行,"RINEX VERSION / TYPE"说明第一行写的是Rinex格式的版本和该文件的类型,"3.04"说明该文件是3.04版本的,我们想要读懂它就需要看Rinex304的说明文档,"N: GNSS NAV DATA"说明这是文件存的是导航电文数据,"M: MIXED"说明该文档存有多个导航系统的数据; 第二行"PGM / RUN BY / DATE"给出了创建...
求翻译:GPS NAV DATA是什么意思?待解决 悬赏分:1 - 离问题结束还有 GPS NAV DATA问题补充:匿名 2013-05-23 12:21:38 GPS NAV DATA 匿名 2013-05-23 12:23:18 GPS NAV DATA 匿名 2013-05-23 12:24:58 GPS NAV DATA 匿名 2013-05-23 12:26:38 GPS NAV DATA 匿名 2013-05-23 12...
Prn = NavData(PRNS_SEL,1); %电文中给出的当前参考历元的有效期 iode = NavData(PRNS_SEL,11); %电文中给出的轨道半径角距的改正项—正弦振幅 Crs = NavData(PRNS_SEL,12); %电文中给出的平地点角改正值 delta_n = NavData(PRNS_SEL,13); %电文中给出的参考时刻平近点角 M_zero = NavData...
两种分量相加即为DataCBOCSpreader,相减即为PilotCBOCSpreader。 Galileo导航电文 在GalileoICD中,E1开放服务的导航电文类型为I/NAV,其结构如图10所示。该导航电文采用帧结构,每帧由24个子帧组成,长度为720秒。每个子帧长度为30秒,包含15个页面。每个页面长度为2秒钟,由同步比特、页面的偶数部分和页面的奇数部分构成...
·Almanac information (The Navigation Center of Excellence) http://navcen.uscg.gov/gps/almanacs.htm ·Ephemeris information (NASA Goddard Space Flight Center) http://cddis.gsfc.nasa.gov/gnss_datasum.html#brdc 透过客制的卫星星历与星历档案,即可建立特定日期与时间的 GPS 讯号,甚至可回溯数年以前。请...
数据来源:数据来自于我们组(香港理工大学IPNL实验室)和东京海洋大学开源的UrbanNav数据集(Download | Intelligent Positioning and Navigation Laboratory),该数据集针对都市环境下,采集了GNSS,惯性导航,相机,激光雷达数据,并提供的高精度的定位真值。 输入:GNSS数据 ...
NavData(PRNS_SEL,17);%纬度变元正弦谐波校正项的振幅sqrt_a = NavData(PRNS_SEL,18);%半长轴的平方根toe = NavData(PRNS_SEL,19);%星历重新出现时间(GPS周第二次)Cic = NavData(PRNS_SEL,20);%倾角余弦谐波校正项的振幅OMEGA_zero = NavData(PRNS_SEL,21);%参考时间赤经Cis = NavData(PRNS...
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Prn = NavData(PRNS_SEL,1); %电文中给出的当前参考历元的有效期 iode = NavData(PRNS_SEL,11); %电文中给出的轨道半径角距的改正项—正弦振幅 Crs = NavData(PRNS_SEL,12); %电文中给出的平地点角改正值 delta_n = NavData(PRNS_SEL,13); ...
Very accurate sat nav hasn't failed me yet. Well laid out and simple and clever to use. Robert F., December 26, 2020 I have used this app all over the US and Europe. I have always been very happy with it. David Ch., November 5, 2019 DC S This is the absolute BEST navig...