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.

查看答案

正确答案：A （备注：此答案有误）

相似试题

单选题

Among the following statements, ( )is correct.

答案解析
单选题

Among the following poets， who is NOT a lake poet？( )

答案解析
单选题

The following American states are among the first thirteen colonies except( ).

答案解析
单选题

Among the following items, ____ is not carried on a lifeboat?A. food B. manual pump C. anchor D. buoyant oars

答案解析
单选题

Among the following currents, which is the one in middle and low latitudes of West coast of North Pacific Ocean ?A. North Pacific current B. Japan currentC. Equator Countercurrent D. California Current

答案解析