And then the paper employs estimation of transfer function in the frequency-domain signals which are converted from FFT. Finally, the paper fits modal parameters of system through the frequency-domain method.
对FFT变换得到的频域信号进行传递函数估计,然后用频域法拟合出系统的模态参数。
参考来源 - 斜拉拱桥模型试验模态分析及拉索对模态参数影响研究·2,447,543篇论文数据,部分数据来源于NoteExpress
He converted from Christianity to Islam.
他由基督教改信伊斯兰教。
We've converted from oil to gas central heating.
我们已经把中央供热系统由燃油改成了燃气。
He was apparently quite converted from his anarchist views.
他显然已经从他的无政府主义观点大大地转变了。
The winning goal for Chelsea came in the 69th minute from newly-acquired Russian Yuri Zhirkov, who converted a rebound.
VOA: standard.2009.07.25
And who, where would--If it was, if it was converted into a weapon, where would the vaccines to protect the rest of the country come from?
如果天花被转化成生化武器,去哪里才能找来保护国家的疫苗呢
A small group of people from the Sefwi tribe in western Ghana converted to Judaism in the 1970's.
VOA: standard.2009.09.26
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