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功率区段 power range
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更多 “功率区段 power range” 相关考题
考题
接入信道中,导频信道的开环输出功率为mean pilot channel output power,数据信道的开环输出功率为meandatachanneloutputpower,则接入信导前缀中的导频信道输出功率为()
A.mean pilot channel output power-mean data channel output powerB.mean pilot channel output power+mean data channel output powerC.mean pilot channel output power-0.5*mean data channel output powerD.mean pilot channel output power+0.5*mean data channel output power
考题
在上行DPCCH的开环功率控制中,UE根据收到的IE“DPCCH_Power_offset”和测量得的CPICH_RSCP的值计算出上行DPCCH的初始功率,其计算公式为()
A.DPCCH_Initial_power=DPCCH_Power_offset+CPICH_RSCPB.DPCCH_Initial_power=DPCCH_Power_offset-CPICH_RSCPC.DPCCH_Initial_power=DPCCH_Power_offset+CPICH_RSCP+ConstantValueD.DPCCH_Initial_power=DPCCH_Power_offset+CPICH_RSCP-ConstantValue
考题
The range of a SSB transmission is MOST affected by ______．A.Atmospheric noise and radiated powerB.The frequency band selected and time of day or nightC.Interference and position of the moonD.Radiated power and nearness to shore
考题
Devices that supply power when the commercial utility power system fails are called which of the following? 当商业公用电源系统失效后，需使用下列哪一类供电设备？（）A、power conditioners电压稳压器B、power filters电源滤波器C、power dividers功率分配器
考题
在上行DPCCH的开环功率控制中，UE根据收到的IE“DPCCH_Power_offset”和测量得的CPICH_RSCP的值计算出上行DPCCH的初始功率，其计算公式为（）A、DPCCH_Initial_power=DPCCH_Power_offset+CPICH_RSCPB、DPCCH_Initial_power=DPCCH_Power_offset-CPICH_RSCPC、DPCCH_Initial_power=DPCCH_Power_offset+CPICH_RSCP+ConstantValueD、DPCCH_Initial_power=DPCCH_Power_offset+CPICH_RSCP-ConstantValue
考题
接入信道中，导频信道的开环输出功率为mean pilot channel output power，数据信道的开环输出功率为meandatachanneloutputpower，则接入信导前缀中的导频信道输出功率为（）A、mean pilot channel output power-mean data channel output powerB、mean pilot channel output power+mean data channel output powerC、mean pilot channel output power-0.5*mean data channel output powerD、mean pilot channel output power+0.5*mean data channel output power
考题
单选题When measuring AC current flow, you must always connect the meter （）A
in series with the power source and loadB
in parallel with the power source and loadC
insuring correct polarityD
using the lowest range possible to prevent instrument damage
考题
单选题The range of a SSB transmission is MOST affected by（）.A
atmospheric noise and radiated powerB
the frequency band selected and time of day or nightC
interference and position of the moonD
radiated power and nearness to shore
考题
问答题简述什么是功率亏损（Power Defect）？
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