Operating frequency point |
BDS B3 |
1268.52 MHz 10.23MHz |
Anti-narrowband interference capability |
B3 frequency point anti-narrowband interference not less than 60dB |
Dynamic measurement range |
Speed |
≤ 100m/s |
Acceleration |
≤ 1g |
Positioning time |
Cold start time |
≤ 60s (C / a code, P code) (1)σ) |
Recapture time |
≤ 2S (lock loss time not more than 30s) |
Measurement accuracy |
Single point accuracy |
Horizontal 4m (1)σ),Vertical 6m (1)σ),Speed accuracy 0.1m/s (1)σ) |
Differential accuracy |
Horizontal 1m (1)σ),Vertical 1m (1)σ),Speed accuracy 0.05m/s (1)σ) |
Data output frequency |
Second pulse: frequency |
1Hz;Accuracy: 20ns (1)σ)The update rate of satellite navigation information is 10Hz |
Airborne equipment |
Power supply interface |
One power supply input interface: Input Voltage 5V ± 0.5V |
PPS second pulse interface |
1 A PPS second pulse output interface outputs RS422 PPS information |
Receive differential information |
1 Two receive ground differential information, two-way RS422, and the baud rate is 115200bps |
Can bus interface |
A CAN bus interface with baud rate of 500kbps. The two-way can bus outputs satellite navigation information to the flight control computer |
Ground equipment |
Power supply interface |
One power supply input interface: input voltage 9v-32v |
PPS second pulse interface |
1 A PPS second pulse output interface outputs RS422 PPS information |
Send differential information |
1 Send ground differential information, bidirectional RS232_A. The baud rate is 115200bps |
Send reference information to ground computer |
1 Send reference information, bidirectional RS232_B. The baud rate is 115bps |