Orolia GSG-5 Series, Руководство пользователя с руководством по SCPI, Страница: 170 / 392

If a satellite is blocked by an object from either the environment or vehicle model, i.e.
it is not visible by the receiver antenna, its power level is set to OFF.
For more information, see
https://www.orolia.com/documents/environmental- modeling- gpsgnss-
simulators .
GSG can successfully handle vehicle models with up to 130 triangles and models
should be optimized for low polygon count. The triangle count is limited to a total of
300 for the combined environment and vehicle models.
Navigation data allows you to specify Almanac and Ephemeris files to be used dur-
ing simulation. Next to the Default option, you can download navigation data from
the official web sites, or use your own Almanac or RINEX files. For more information
on RINEX files, see
"Editing RINEX Files in StudioView" on page 170 .
To download navigation data from the official web sites, click , and then click
. The navigation data for the scenario start time and number of satel-
lites you specified under the Signals tab will be downloaded. To add the navigation
data files to your scenario, click and select the files needed.
To edit navigation data in the RINEX editor, select the file from the list and click .
Atmospheric models
tab
Under the Atmospheric models tab, you can model the Ionosphere and Troposphere.
The GSG unit comes with built-in support for an Ionospheric model. When set to On ,
by default the used model is a reverse model of the model described in IS-GPS-
154 User Manual GSG-5/6 Series Rev. 27
4.9 Studioview Tasks