15( )is a satellite-aided SAR system based on low-a3titude near-polar-orbiting satellites and designed to locate distress beacons transmitting on the frequencies 121.5 MHz and 406 MHz.
A: GPS
B: GLONASS~
C: Inmarsat system
D: Cospas-Sarsat system
A: GPS
B: GLONASS~
C: Inmarsat system
D: Cospas-Sarsat system
举一反三
- China's independently developed navigation system is ( ). A: GPS system B: GLONASS system C: Beidou system D: Galileo satellite navigation system
- 在COSPAS/SARSAT系统中不能使用的示位标是____ A: 156.525 MHz<br/>EPIRB B: 406<br/>MHz EPIRB C: 121.5<br/>MHz EPIRB D: 243<br/>MHz EPIRB
- The low polar orbiting satellite system provides the coverage of ( ) A: Area A4 B: Area Aland A2 C: Area A3 D: Area Al. A2.A3and A4
- 406 MHz EPIRB的位置信息是____。( )。 A: 由与EPIRB相接的导航仪给出 B: EPIRB发射的121.5/243 MHz信号给出 C: 由COSPAS/SARSAT系统的卫星检测 D: 由COSPAS/SARSAT系统卫星共视区的LUT检测
- Which satellite navigation system is developed by China? A: GPS B: GLONASS C: BDS