N a function of two or more random variables from which can be obtained a single probability that all the variables in the function will take specified values or fall within specified intervals 联合密度函数 [statistics]
Two dimensional fatigue loading under various working conditions is synthesized with weight coefficient method to obtain joint probability density function under multiple working conditions.
对各工况下的二维疲劳载荷，采用权系数的方法，合成并获得了多工况下的二维载荷联合概率密度函数。
This method tries to integrate the joint probability density function on the acceptability region directly.
该方法通过直接在可接受域上对性能的联合概率密度函数进行积分获得成品率的估计。
It is established on the expected value of the theoretical spatial spectrum over the joint posterior density function of the array output signal and noise parameters.
它是建立在阵列输出信号和噪声参数联合后验概率密度基础上的空间谱估计。
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