What type of interference is produced by other transmitters on the same frequency? （）
第1题：
A.Preamble_Initial_Power=UL_Path_Loss+UL_interference+ConstantValue
B.Preamble_Initial_Power=DL_Path_Loss+UL_interference+ConstantValue
C.Preamble_Initial_Power=UL_Path_Loss+UL_interference+DefaultConstantValue
D.Preamble_Initial_Power=DL_Path_Loss+UL_interference+DefaultConstantValue
第2题：
The use of pulse groups and extremely precise timing at each Loran-C station makes possible the use of ______．
A.High frequency pulses
B.Combinations of high and low frequency pulses
C.The same frequency for all stations in a chain
D.Varied long and short pulses
第3题：
OFDM符号中的『____』可以克服符号间干扰。(What can overcome intersymbol interference in the OFDM symbol『____』?)
第4题：
小区间干扰抑制技术主要包括有（）
第5题：
Reusing frequencies in a cellular pattern (compared to “one big cell”)（）
第6题：
The range of a SSB transmission is MOST affected by ______．
A.Atmospheric noise and radiated power
B.The frequency band selected and time of day or night
C.Interference and position of the moon
D.Radiated power and nearness to shore
第7题：
When can routine communications be resumed on a frequency or channel on which radio silence has been imposed ________．
A.After determining that the frequency or channel appears to be no longer in use
B.After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications
C.After the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded
D.Routine communications can resume if，in the Master's opinion，communications on that frequency or channel will not interfere with emergency communications
第8题：
A.外部干扰
B.Propagation shadowing
C.very lower frequency reuse
D.Multipath effection
第9题：
Interference Margin是用来对抗（）
第10题：
You have been called upon to add location-based services into an existing controller-basedwireless design which primarily encompasses handheld devices such as barcode scanners andCisco 7920 wireless IP phones. In which mode should you deploy the additional access points toachieve the density required without excessive co-channel interference？（）