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单选题

Among the following statements, ( ) is correct.

A As WCDMA sysetms use 2.6 GHz band, the first Fresnel zone has no impact on their signal propagation.

B The Doppler effect has more impact on narrowband wireless systems than wideband wirless systems.

C The electric field probability density distribution functions of fast fading and slow fading fit the Rayleigh distribution.

D None of the above statement is correct.

正确答案:A (备注:此答案有误)

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