But the signal to excite vibration table must be in time-domain, therefore how to transform the PSD into the time-domain signal is the first work to simulate this kind of vibration environment.
而驱动平台运动的激励信号必须为时域信号,因此如何完成功率谱密度至时域信号的转换是此类振动环境模拟的首要工作。
参考来源 - 液压振动台振动环境模拟的控制技术研究·2,447,543篇论文数据,部分数据来源于NoteExpress
It's not as hard for them to transform their thought processes as it is for older students.
对他们来说,转变思维过程并不像年纪更大的学生那样困难。
It will take a bit longer, though, to transform the atmosphere so that human beings could live there.
不过,要改变大气层使人类能够在那里生活,还需要更长的时间。
But it takes collective scrutiny and acceptance to transform a discovery claim into a mature discovery.
但是把探索申明变为一个成熟的发现成果是需要集体的审查和集体的接受。
"Ashoka then provides those teams of young people with advisors, monetary seed funding, as well as non-monetary support to transform their idea into action."
VOA: special.2011.03.02
You can take heat energy and convert it to work energy and vice versa, and it doesn't say anything about that you have to waste heat if you're going to transform heat into work.
你可以把热能便成功,也可以反过来,但它对于如果你要把热变成功,就必须浪费热量这件事只字未提,它只是说这是能量。
You remember that Milton had vowed to his friend Charles Diodati in the Sixth Elegy that he would become an epic poet some day, and that he was taking all of the necessary steps to transform himself into an epic poet.
弥尔顿曾在第六挽歌中向他的朋友查尔斯,迪奥达蒂宣布,他有一天将成为一名史诗诗人,他也在不断努力,把自己变为一名史诗诗人。
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