北斗/全球卫星导航系统（GNSS） 导航 ... - BeiDou

1 I BD 420005 2015 / GNSS Performance requirements and test methods for BeiDou /Global navigation satellite Systems (GNSS) navigation unit 2015-11-01 2015-10-19 I .. III 1 .. 1 2 .. 1 3 .. 1 .. 1 .. 3 4 .. 3 .. 3 .. 3 .. 3 .. 4 .. 4 .. 4 .. 4 .. 5 .. 5 .. 5 .. 5 COG SOG UTC .. 5 .. 5 5 .. 6 .. 6 .. 6 .. 6 .. 6 A .. 11 B .. 14 .. 15 BD 420005 2015 III BD 420005 2015 1 / GNSS 1 GNSS GNSS 2 GB/T 2 A GB/T 2 B GB/T 2 GB/T ( )

2 1 BD 110001-2015 BD 410004-2015 / GNSS 3 GB/T GB/T BD 110001-2015 accuracy 1 2 3 4 GB/T GB/T accuracy accuracy trueness 1 BD 420005 2015 2 2 3 precision 1 2 3 bias 1 2 3 4 resolution of position cold start time to first fix warm start time to first fix reacquisition time acquisition sensitivity reacquisition sensitivity BD 420005 2015 3 tracking sensitivity BDS BeiDou navigation satellite System COG Course Over Ground HDOP Horizontal Dilution Of Precision GLONASS Global navigation satellite System GNSS Global navigation satellite Systems GPS Global Positioning System PDOP Positioning Dilution Of Precision SOG Speed Over Ground UTC Universal Time Coordinated 4 OEM GNSS CGCS2000 WGS-84 GTRF UTC BDS a b c

3 BD 410004-2015 DTM GBS GNSS GGA GPS GNS GNSS BD 420005 2015 4 RMC GNSS VTG ZDA WGS-84 DTM GRS GNS GSA GNSS DOP GST GNSS GSV GNSS GRS GSA GST GSV GGA GNS HDOP 4 PDOP 6 10m 95% 15m 95% HDOP 4 PDOP 6 10m 95% 15m 95% HDOP 4 PDOP 6 95% -130dBm 10s 100m 60s -130dBm 10s 100m 5s GNSS -130dBm GNSS 30s 10s 100m 5s -140dBm BD 420005 2015 5 -140dBm 300s 1Hz 10 100m -145dBm GNSS 30s -145dBm 300s 1Hz 10 100m -150dBm -150dBm 300s 1Hz 10 100m 100m/s 2g 1Hz 2m 400mW COG SOG UTC COG SOG UTC UTC ZDA UTC GGA 1 1 C C h -40 85 16 -55 85 16

4 BD 420005 2015 65 a 15 C 35 C b 20 80 HDOP 4 PDOP 6 200m 50m 1 m 10 X Y Z m 1 2 2 1 0 2 3 4 5 6 7 8 9 10 0 11 BD 420005 2015 7 2 12 13 14

5 15 16 COG SOG UTC 17 24h A a 25m/s 1m/s 1min 2min 5s 0 b 100m 11s~12s 2m 2min B GNSS 1Hz 5min BD 420005 2015 8 3 3 m/s m/s2 1 5 1 2 60 10 3 100 20 2m/s a 1000km 10000km b 7 1Hz 10 100m 10 1 2m/s 60s 1Hz

6 10 100m 10 1 2m/s 30s 1Hz 10 100m 10 1 2m/s 1dB 2dB BD 420005 2015 9 300s 1Hz 10 100m 2m/s 1dB 0 2dB 30s 300s 1Hz 10 100m 0 2m/s 1dB 300s 10 100m GNSS 3 10min 1s 10min 1Hz 1 2m 1m 10min 5s COG SOG UTC BD 420005 2015 COG SOG GGA VTG COG SOG GGA VTG GGA VTG VTG COG SOG UTC 2 GGA ZDA GGA ZDA UTC 1 GB/T 2h 1 GB/T 2h

7 1 GB/T 2h 1 GB/T 2h BD 420005 2015 11 A a HDOP 4 PDOP 6 b 3 c BLH ENU d ENU iiiEEE0 = iiiNNN0 = iiiUUU0 = iE iN iU iH i E N U i 1,2 n m iE iN iU i E N U m 0iE 0iN 0iU i E N U m e bias nEniiE = = 1 nNniiN = = 1 nUniiU = = 1 22 ENH + = BD 420005 2015 12 E N U E N U m H m f (standard deviation) 211()1nEiEiEn == 211()1nNiNiNn == 211()

8 1nUiUiUn == 22 HNE =+ E N U E N U m H m g 95% precision 1 2k=( 2k= 2H ~ 2H 95% [5] 2, 95%HHHUkp == = 2k= 2, 95%UUUUkp == = HU 95% m UU 95% m h bias precision NEU N E U 2, 95%HHUp == 2, 95%UUUp == BD 420005 2015 13i accuracy HHHMU= + UUUMU= + 1Hz 24h 95% 95% BD 420005 2015 14 B a 25m/s 1m/s 1min 2min 5s 0 10s 10 X Y Z 1 m b 100m 11s~12s 2m 2min 24 m)