A .-70
B .-75
C .-80
D .-85
[单选题]直放站下行AGC起控电平()1dBmW。A .21B .22C .23D .24
[单选题]直放站上行门限开启电平()1dBmWA .-80B .-85C .-90D .-95
[单选题]直放站上行标称输出电平是()1dBmW。A .-5B .-10C .-15D .-20
[单选题]直放站下行门限开启电平()1dBmW。A .-20B .-25C .-30D .-35
[单选题]直放站下行标称输出电平是()1dBmW。A .35B .36C .37D .38
[单选题]远端机AGC起控电平分别为下行-231dBmW,上行()。A .-701dBmWB .-751dBmWC .-701dBmWD .-751dBmW
[单选题]直放站上行噪声电平到达施主基站(CDU端)的噪声电平小于:()A .–36dBmB .–30dBmC .–120dBmD .–124dBm
[单选题]直放站上行标称增益()dB。A .50B .55C .60D .65
[填空题] 调试直放站,在保证上、下行链路平衡的前提下,控制()增益,使直放站上行噪声电平加施主链路损耗≤()dBm,才不会干扰基站。
[单选题]设直放站上行噪声电平为PNR,从施主基站(CDU端)到直放站输入端的信号损耗为LP,则要求直放站上行噪声电平()A .PNR﹤-120dBm+LPB .PNR﹤-120dBm-LPC .PNR﹤120dBm+LPD .PNR﹤-120dBm+LP