Click Routine Response BehaviourNeed RecognitionPre-purchase SearchEvaluation of Alternatives ? 2006 Pearson Education Canada salespeopleCalling the electronics storeFactors that Increase the Level
A Case
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②F1(-∞t1)=0 x<-∞不可能出现 F1(∞t1)=1必然事件概率密度函数f(x1t1) 定义与特性: (3)常用相关函数来衡量随机过程任意时刻上获得的随机变量的统计相关特性平稳随机过程的统计特性不随时间推移而不同具体有:(1). 数学期望方差与t无关分别等于aσ2(2). 自相关函数仅与τ有关 R(t tτ)=R(τ)7[例3-2] 求随机相位余弦波?(t) = Ac
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IZA DP No 5
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