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What is the ERP (Effective Radiated Power), if the output power from the radio is 43 dBm, the cable losses 3 dB, and the antenna gain 14 dBd? ()
- A、43dBm
- B、54dBm
- C、32dBm
- D、60dBm
- E、23dBm
参考答案
更多 “What is the ERP (Effective Radiated Power), if the output power from the radio is 43 dBm, the cable losses 3 dB, and the antenna gain 14 dBd? ()A、43dBmB、54dBmC、32dBmD、60dBmE、23dBm” 相关考题
考题
Cell Maximum Transmission Power(小区下行所有物理信道加起来所允许的最大发射功率),以下哪个值得配置是合理的()
A.43dBmB.-7dBC.-3dBD.53dBm
考题
Natural Power Corporation owns a warehouse with an adjusted basis of $195,000 and an appraised fair market value of $185,000. The city of Springfield condemns the property for a new airport. The condemnation award is $185,000. Natural Power invests the $185,000 in a new warehouse on the other side of the city. What is the gain or loss that Natural Power Corporation must recognize due to the transactions?()A、No gain or lossB、$10,000 gainC、$10,000 lossD、$185,000 gain
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Click the Exhibit button. What is the maximum allowable loss budget between the ONS 15216 Mux (left side) composite output and the ONS 15216 Demux (right side) composite input, with the optical values given in the exhibit? ()(Assume the worst case loss of 4.5 dB for 15216 200 GHz Mux/Demux and ignore power penalties or extra margin.)A.15dBB.17dBC.21dBD.26dBE.27dB
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
已知小区PreambleInitialReceivedTargetPower=-94dBm,powerRampingStep=4dB,Pmax=23dBm,某终端的下行路径损耗为100dB,当该终端发送第三次随机接入前导消息时的发射功率为多少dBm?() A、6dBmB、14dBmC、18dBmD、23dBm
考题
Antenna gain is obtained by...? ()A、A power amplifier in the antenna systemB、Concentration of radiationC、Highly effective antenna cablesD、Good SWR (Standing Wave Ratio)E、A spherical radiation pattern
考题
Where is the TX reference point? ()A、Where the jumper cable is connected to the output of the TX.B、Where the jumper cable is connected to the RBS.C、Where the jumper cable is connected to the output of the combiner.D、Where the jumper cable is connected to the antenna.E、Immediately outside the antenna.
考题
Cell Maximum Transmission Power(小区下行所有物理信道加起来所允许的最大发射功率),以下哪个值得配置是合理的()A、43dBmB、-7dBC、-3dBD、53dBm
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
Following an unscheduled power outage, theadministrator needs to power up an IVM-managed system. For the given system,what is the first step in this process?()A、Physically press the appropriate button on the system.B、Physically disconnect and reconnect the power cable on the system.C、Log into the IVM using a Web Browser, select the managed-system and select the Power on option from the Operations menu.D、Log into the HMC using a Web Browser, select the managed-system and select the Power on option from the Operations menu.
考题
单选题Cooling the intake air supplied to a diesel engine will ().A
reduce mean effective pressureB
decrease average compression pressureC
decrease air charge densityD
increase power output
考题
单选题如果载波输出是43DBm,馈线损耗3DB,天线增益是14DBD,则ERP(ERP=载波输出功率+天线增益-馈线损耗)是()。A
43DBmB
26DBmC
54DBmD
60DBm
考题
单选题The height of a VHF radio antenna is more important than the power output wattage of the radio because().A
VHF communications are basically line of sightB
the air is more dense the higher you goC
salt water is a poor conductor of soundD
sea water absorbs the radiated energy
考题
单选题Why is it desirable to operate paralleled AC generators at the same power factor?()A
Circulating currents are kept to a minimumB
Field excitation losses are kept to a minimumC
Generator rotors will have a lesser tendency to huntD
Because a power factor increase will decrease kilowatt output
考题
单选题Cell Maximum Transmission Power(小区下行所有物理信道加起来所允许的最大发射功率),以下哪个值得配置是合理的()A
43dBmB
-7dBC
-3dBD
53dBm
考题
单选题A distorted spray pattern from a fuel injector can cause a diesel engine to have ()A
higher firing pressureB
more power outputC
lower fuel pressureD
less power output
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