GNSS ReceiversThe GR series universal signal processing platform possesses the characteristics of standardized product interfaces andmodular designs, enabling it to cater to the development requirements of diverse spacecraft platforms over the next 10 to15 years. lt is capable of fulfilling the application demands for "longevity and high reliability" in satellites, boasting areliability rate of 0.997. Furthermore, it can consistently and reliably deliver precise positioning and orbit determination,real-time high-precision positioning, high-accuracy timing, as well as other functionalities to space vehicles.
Key features
Technical Specifications| Operating frequency and bandwidth | GPS L1:1575.42±1.023MHz |
| GLONASS L1:1227.6±10.23MHz | |
| BDS B1l:1561.098±2.046MHz | |
| BDS B1C:1575.42±10.23MHz | |
| GALILEO E1 :1575.42±10.23MHz | |
| Channel number | Every frequency channel≥ 12 |
| Acquisition Sensitivity | better -176dBW(receiver entrance) |
| Tracking sensitivity | better -179dBW(receiver entrance) |
| Raw observation accuracy | Initial orbit/transition orbit : |
| Pseudo-distance : better than 1m(1σ); | |
| Carrier phase :better than 1cm(1σ) | |
| Final orbit: Pseudo-distance : better than 10m (1σ); | |
| Carrier phase : better than 3cm(lσ) | |
| Real-time positioning accuracy(DOP ≤ 100) | Position accuracy:≤ 100m(triaxial 1σ)@5 0000 km, Velocity accuracy:≤0.2m/s(triaxial 1σ)@5 0000 km |
| Real-time orbit determination accuracy(DOP ≤ 100) | Velocity accuracy :≤ 20m (Velocity accuracy lσ)@50000 k'm,Velocity accuracy :≤ 0.1m/s(Velocity accuracy 1σ)@50000km |
| Orbit determination extrapolation accuracy | Velocity accuracy :≤ 100m(Velocity accuracy 1σ), |
| Velocity accuracy :≤ 0.5m/s (Velocity accuracy 1σ) | |
| Time accuracy | better than 1μs |
| Data update rate | 1s |
| Cold start time | ≤10min |
| In-orbit operation life | ≥8years |
| Radiation resistance | Anti-irradiation totaldose requirements for components with4mm equivalent aluminum shielding within the satellite≥100Krad(Si) |
| Radiation resistance | Anti-irradiation totaldose requirements for components with 4mm equivalent aluminum shielding within the satellite≥100Krad(Si) |
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CONTACT US
Beijing：China Galileo Industries No. 88, NanCaiYuan Street, XiCheng District, Beijing 100054, P.R. China
Shanghai：2nd Floor, 158 Shuanglian Road, Qingpu District, Shanghai
