In this paper, the evolutionary random excitations acting on structures are assumed to be non uniformly modulated, i. e. the modulation functions depend both on time and frequency.

本文假定结构受到非均匀调制的演变随机激励，亦即其调制函数是时间与频率二者的函数。

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You could almost hear the Iron Lady's well-modulated tones calling "I told you so" from the wings.

WSJ: What Would Margaret Thatcher Do?