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"Amongthestatementsaboutinterference,()isnotcorrect.

2023-12-01单选3

"Amongthestatementsaboutinterference,()isnotcorrect.

A.Thenatureofinterferenceisthesignalthatisnotallocatedwithafrequencyoccupiesthefrequencyofalegalsignal,thusaffectingtheoperationsofthelegalsignal.

B.Bytechnicalfeatures,interferencescanbedividedintospuriousinterferences,blockinginterferences,andintermodulationinterferences.

C.Spuriousinterferenceoccurswhenthepowerloadedontoareceiverexceedsthelinearrangeofthereceiver,causingthereceiverunabletowork.

D.Intermodulationinterferenceoccurswhentwosignals(withfrequenciesF1andF2respectively)passnon-lineardevicesortransmissionmediaandproduceanewsignalwhosefrequencyisthesumordifferenceofF1andF2,mainly2-order,3-orderor4-orderintermodulatedsignal."

正确答案是C

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