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搜题
【单选题】
WCDMA的帧长为:
A.
0.5ms
B.
1ms
C.
5ms
D.
10ms
E.
: D
F.
8、对陆地移动通信而言,人为噪声包括( )
G.
汽车点火系统的火花噪声
H.
大气噪声
I.
银河噪声
J.
太阳噪声
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A.
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B.
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C.
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D.
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A.
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B.
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C.
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D.
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A.
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B.
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A.
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B.
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C.
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D.
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A.
Ask for papers
B.
Call for papers
C.
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D.
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