交通运输工程
振动的
能源科学技术
振动
Then, Local Wave method is introduced in consideration of the non-stationarity characteristic of the vibrating signals from NC machines.
针对数控机床机械系统的非线性和振动信号的非平稳特性,引入局域波分析方法。
土木建筑工程
振动
double-frequency vibrating pressing machine. According to the theory of double-frequency vibrating pressing, the main parameters of this double- frequency vibrating pressing model machine is decided.
针对双频振动压实理论,确定了双频振动压实机的主要设计参数,并建立了数学模型。
机械工程
振动
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