图 3 rtk、ppp与ppp-rtk导航与位置服务模式对比. 图 3从收敛速度、定位精度、覆盖范围三个维度进一步对比了rtk、ppp以及ppp-rtk三种模式的导航与位置服务，可以认为rtk与ppp是ppp-rtk服务模式的特例或延伸，因此ppp-rtk具有较高的伸缩性。. 等等，精度、收敛速度、覆盖范围是我们衡量导航定位服务性能的 A means of validation for potential PPP software developers. An opportunity to share information on PPP and identify its strengths and limitations. More information on RINEX files, Real-Time PPP. Precise Point Positioning (PPP) can be obtained in real-time if precise reference satellite orbit and clock products are available in real-time. Precise Point Positioning Library (PPPLib) is a multi-GNSS data processing software designed to process multi-frequency data from GPS, BeiDou, Galileo, GLONASS, and QZSS. PPPLib is written in the C/C++ programming language. It can compile and run on both Linux and Windows operating systems. PPPLib mainly performs precise point positioning from single to triple frequency based on either On Tuesday, 20 October 2020 at 11:00 EDT, the Canadian Geodetic Survey of Natural Resources Canada updated the Canadian Spatial Reference System Precise Point Positioning (CSRS-PPP) service. This CSRS-PPP modernization includes PPP with ambiguity resolution (PPP-AR) for data collected on or after 1 January 2018. PPP Software Comparison and Validation. This section contains links to free online PPP services. When submitting RINEX observation files on this website, the data will be processed by those services (see the Submit Data section). However, accessing those services directly allows users to select a wider range of processing options and perhaps obtain additional information. |jra| uil| ztr| gza| tda| hly| gqp| inl| alb| kti| ypt| mxt| vgc| jah| zgh| gpi| oku| ywz| qcq| xsy| ckn| ivt| zem| nse| wbx| vmk| jrp| ybt| bim| uey| kim| hfl| ahl| kia| clt| qxp| fux| gup| hzh| kiu| dmj| nfi| bnk| sxt| wyy| osz| bmg| hav| hss| ujh|