A.通道關(guān)斷B.時(shí)隙關(guān)斷C.載波關(guān)斷D.符號關(guān)斷
A.經(jīng)緯度B.高度C.天面無線環(huán)境D.覆蓋目標(biāo)區(qū)域
A.覆蓋規(guī)劃B.容量規(guī)劃C.參數(shù)規(guī)劃D.終端規(guī)劃