The NS8350 series navigation signal source supports signal simulation of four satellite navigation systems, BDS/GPS/GLONASS/GALILEO, providing users with stable, reliable, accurate, and controllable GNSS simulation signals. It is a dedicated testing equipment for satellite navigation product development, testing, and certification. After selecting the relevant components, the NS8350 series navigation signal source can support signal simulation for special applications such as INS/GNSS combination, multiple antennas, and multiple users.
NS8350 Series Navigation Signal Source
Key Features
Support all publicly available satellite navigation signals for BDS/GPS/GLONASS/GALILEO four systems
Support BDS authorization signal (authorization signal module requires user application)
Supporting complete constellation and carrier control, ionospheric and tropospheric delay simulation
Support testing mode, multiple pseudorange models, such as stationary, constant speed, uniform acceleration, sine, circumference, etc
Supports various typical user dynamics, including uniform speed, uniform acceleration, sine, and circular motion
Support ship, vehicle, aircraft, and spacecraft models
Support importing external trajectory files
Support external trajectory data injection
Support data recording, including carrier data, satellite data, signal data, navigation messages, and ephemeris information
| 1. Signal type | BDS: B1I、B1C、B2a、B2b、B3I and authorization signals； GPS: L1C/A、L1C、L1P、L2C、L2P、L5； GLONASS: L1、L2； GALILEO：E1、E5a、E5b； QZSS：L1C/A、L1C、L2C、L5（Optional）； IRNSS：L5、S（Optional）； SBAS：L1、L5. |
| 2. Number of signal channels | BDS：18； GPS：18； GNOLASS：12； GALILEO：18； SBAS：16. |
| 3. Number of multipath channels per frequency point | 4 |
| 4. Signal dynamic parameters | |
| Maximum height | ≥100km |
| Maximum speed | ±200000m/s |
| Speed resolution | ≤0.01m/s |
| Maximum acceleration | ±10000m/ s² |
| Acceleration resolution | ≤0.01m/s² |
| Maximum acceleration speed | ±15000m/ s³ |
| Jerk acceleration | ≤0.01m/s³ |
| 5. Phase noise | -80dBc/Hz@100Hz； -85dBc/Hz@1kHz； -90dBc/Hz@10kHz； -105dBc/Hz@100kHz. |
| 6. Signal accuracy | |
| Pseudorange phase error | ±0.03m |
| Pseudo range rate of change error | ±0.003m/s |
| Consistency between code phase channels | ≤0.3ns |
| 7. Signal quality | |
| Clutter suppression (in band) | ≤-50dBc |
| Harmonic suppression (secondary) | ≤-50dBc |
| 8. Signal level | |
| Power range | -100dBm to -20dBm |
| Power absolute error | ≤0.5 dBm |
| Power resolution | ≤0.2dB |
| Power linearity | ≤1dB |
| 9. Time frequency benchmark | |
| Frequency stability | ≤5×10-11/s |
| Frequency accuracy | ≤5×10-8 |
| 10. Power supply characteristics | |
| Input voltage | （220±10%）VAC |
| Frequency range | （50±10%）Hz |
| Consumption | ≤120W |
| 11. Environmental adaptability | Working temperature and humidity：temperature：-20℃~+45℃ Storage temperature and humidity：temperature：-40℃~+85℃ |
| 12. Physical properties | Size：Standard 3U chassis，48.2cm×53.7cm×13.4cm； Weight：≤14.5kg. |
Main Machine
| Module No. | Item | Description |
| NS8350 | Navigation signal source | GBT-39413-2020-Performance requirements and testing methods for signal simulators of Beidou satellite navigation systems. |
Delivery Checklist
| Name | Describe | Number |
| Navigation signal source | Device host | 1 |
| Simulation control software | Light disk | 1 |
| Power line | Three-hole power cord,1.8m | 2 |
| Attenuator | 30dB、40dB1each | 2 |
| Operation instructions | Equipment operation instructions | 1 |
| Factory test report | Factory test certificate of conformity | 1 |
| Certificate of conformity | Qualification certificate of products | 1 |
