题目内容

白噪声过程是平稳序列,其期望是0,方差是常数,自协方差为0。( )

A. 对
B. 错

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Lesson 11 Blank-filling 1-1P: Mayday Mayday Mayday BAW137 we have 1 , descending rapidly to FL150, request emergency landing at Foxtrot, position 2 of Foxtrot heading 120C: BAW137, 3break break all stations on 131.55P: BAW137, fire now under control,5C: roger BAW137C: All stations,6

Lesson 11 Blank-filling 1-2P: Mayday Mayday Mayday, TWA216 1 on fireduring 2, we are returning, request 3 positon 8 miles north at 5000feet.

Lesson 11 Blank-filling 1-3P: Mayday Mayday Mayday UAL248, No.2 engine on fire, we have to1 for landing, advise which one is available, position 2 FL290

Lesson 11 blank-filling 1-4JAL705, we are returning 1 coming out of No.2 engine.

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