汽车导航软件定位接收的GPS数据及导航所需数据:
一、接收的GPS原始数据:
20899,,,N*49
$GPGGA,000253.20,0000.0000,N,00000.0000,E,0,00,0.00,0.00,M,0.00,M,,*6B
$GPGSA,A,1,,,,,,,,,,,,,0.00,0.00,0.00*00
$GPVTG,0.00,T,,,0.00,N,0.00,K,N*7F
$GPGLL,0000.0000,N,00000.0000,E,000253.20,V,N*77
$GPRMC,000253.20,V,0000.0000,N,00000.0000,E,0.00,0.00,220899,,,N*48
$GPGGA,000254.20,0000.0000,N,00000.0000,E,0,00,0.00,0.00,M,0.00,M,,*6C
$GPGSA,A,1,,,,,,,,,,,,,0.00,0.00,0.00*00
$GPVTG,0.00,T,,,0.00,N,0.00,K,N*7F
$GPGLL,0000.0000,N,00000.0000,E,000254.20,V,N*70
$GPRMC,000254.20,V,0000.0000,N,00000.0000,E,0.00,0.00,220899,,,N*4F
$GPRMC,091434.4,A,3954.4784,N,11627.4318,E,0000.0,000,180304,,E*60
$GPGSA,A,1,,,,,,,,,,,,,0.00,0.00,0.00*00
$GPVTG,0.00,T,,,0.00,N,0.00,K,N*7F
二、导航所用数据:
$GPRMC,091434.4,A,3954.4784,N,11627.4318,E,0000.0,000,180304,,E*60
最简特性(RMC)
$GPRMC、<1>、<2>、<3>、<4>、<5>、<6>、<7>、<8>、<9>、<10>、<11>、*hh
<1>定位时UTC时间hhmmss 格式
<2>状态A=定位V=导航
<3>经度ddmm.mmm 格式
<4>经度方向N 或S
<5>纬度dddmm.mmmm
<6>纬度方向E或W
<7>速率
<8>方位(二维方向指向,相当于二维罗盘)
<9>当前UTC日期ddmmyy 格式
<10>太阳方位
<11>太阳方向
对于GPS数据的认识,对在道路上实际收星下的软件测试给你很大的帮助,知己知彼嘛!