orbit determinationtime synchronizationtwo-way time comparisoninter-satellite linkIn the form of satellite ephemerides and clock parameters, the space datum and system time information of one global navigation satellite system (GNSS) is transferred to users. With the continuous updating in the satellite ...
The uncertainty of type A is about 0.3???ns in Beidou system. All the satellite clocks in orbit of Beidou satellite navigation system are evaluated by the clock offsets observed by the two-way radio time transfer. The frequency stabilities at a sample time of 10000???s and 1 day for ...
SATELLITE SURVIVES IMPACT WITH OBJECT IN SPACE, TAKES SELFIE TO PROVE IT- A tiny puncture discovered in the solar panel of a small satellite orbiting Earth highlights the seriousness of the orbital clutter problem. Lithuania-based satellite manufacturer NanoAvionics discovered the 0.24-inch-wide (6-...
(2) according to the number of satellite orbits, calculating the longitude and Beijing time of sub-satellite point of the position where a satellite descending orbit intersects the equator, and converting the Beijing time into the local time so as to obtain the time of the position; (3) ...
As the satellite ages over 15 or 20 years and begins to run out of fuel, while still fully functional electronically, the satellite operator can let the satellite go into an inclined orbit, where they use the remaining fuel to keep the satellite in the correct orbital longitude, while letting...
BEIJING, May 21 (Xinhua) -- A private Chinese commercial space company, in collaboration with a Thai university, has conducted the first trial of a low-orbit satellite internet broadband communication network successfully in Thailand. The achievement marks the first overseas application and exploration...
Aiming at regional services, the space segment of COMPASS (Phase I) satellite navigation system is a constellation of Geostationary Earth Orbit (GEO), Inclined Geostationary Earth Orbit (IGSO) and Medium Earth Orbit (MEO) satellites. Precise orbit determination (POD) for the satellites is limited ...
The present invention provides a real-time precise satellite orbit product generation method, precision-based wide-area differential system, comprising the steps of: step 1, obtaining fast ephemeris; Step 2, according to the fast ephemeris, satellite-based solid ground in the agreement the position ...
BEIJING, May 21 (Xinhua) -- A private Chinese commercial space company, in collaboration with a Thai university, has conducted the first trial of a low-orbit satellite internet broadband communication network successfully in Thailand. The achievement marks the first overseas application and exploration...
A communication terminal for communicating through an artificial satellite, wherein the artificial satellite is placed into an orbit in which an individual satellite orbits on an elliptical orbit so t