[問題] 關於AGPS
請問眾家高手
現在的衛星接收分為兩種
美國GPS及俄國GLONASS
一般我們說輔助式全球定位系統 (A-GPS)
是指基地台加上衛星定位
所以以iPhone為例子
官網標示
輔助式全球定位系統 (A-GPS) 與全球導航衛星系統 (GLONASS)
請教這是代表它以
1.基地台運算+接收GPS衛星+接收GLONASS衛星
或是
2.基地台運算+接收GLONASS衛星
也就是我想知道AGPS是否必然和美國GPS有關?
AGPS只是輔助衛星接收器的程式或裝置,
可能不接收GPS而只接收GLONASS,我這樣的理解對嗎?
感謝大家撥冗收看。
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