assisted gps中文什么意思

辅助全球卫星定位系统

• assist:    vt. 1.(在某方面)帮助，援助， ...
• gps:     GPS ＝ 1. Glo ...
• assisted:    带助推器的; 辅助的

百科释义

Assisted GPS, generally abbreviated as A-GPS or aGPS, is a system that can under certain conditions improve the startup performance, or time-to-first-fix (TTFF), of a GPS satellite-based positioning system. It is used extensively with GPS-capable cellular phones, as its development was accelerated by the U.