In the GPS system, the two known points are provided by one GPS satellites.
举一反三
- The 24 satellites in the Global Positioning System ( GPS ) are synchronous satellites, and they appear to be stationary to an observer on the earth.
- What is China's independant research and development satellites navigation system A: GPS B: BDS C: GNSS D: GSNS
- 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
- 中国大学MOOC: Self-driving cars are installed with s________ sensors like GPS, vision system, lidar system and radar system. (--provided in addition to something else in order to improve it)
- One or two man-made satellites _______ in this country every year.