幅频曲线 meaning in English

amplitudefrequency curve

The other is the resonance of boom system of the truck - mounted concrete pump and the frequency response of displacement and acceleration of testing point . the main results and argumentations of this thesis are listed below in detail . 1 . based on the certain boom system model of the truck - mounted concrete pump made in china , three - dimensional model of boom system of the truck - mounted concrete pump is built by using the softwar of pro / engineer
2 .基于刚柔混合柔臂架模型,利用adams的振动模块,以混凝土流动时的冲击力为激励对臂架系统进行了谐响应振动研究,得到臂架振动响应的幅频曲线,并对结果曲线进行了分析,在此基础之上,研究了油缸阻尼对臂架末端振动位移和振动加速度的影响。