"Aboutantennaselection,thecorrectstatementis().
2023-12-01单选
"Aboutantennaselection,thecorrectstatementis().
A.Inthedenseurbanarea,omnidirectionalantennasshouldbeselectedtoensureeven,continuouscoveragE、
B.Thenarrowerthehorizontalbeamwidthofanantenna,thehigherthegain.Asaresult,toensurethecoverage,itisbettertoselectantennaswithasmallbeamwidth(suchas33°).
C.Theverticalbeamwidthofantennahasnoimpactonthecoverage,soitisoftenignoredinantennaselection.
D.Forthestraightroad,theantennawithabeamwidthof33°isoftenselectedtomakethecoverageaslongaspossiblE、"
正确答案是D
