Energy rate
能率───Energy rate
The upsetting test of metal powder sintered preform by blow speed of the hydraulic press, crank press, pneumatic hammer and high energy rate forging hammer was reported.───了用液压机、曲柄压力机、空气锤及高速锤的打击速度对粉末冶金烧结体进行的镦粗试验。
Dynamic signals measured from experiment beams are first decomposed into wavelet packet components, then wavelet energy rate index is computed and used to detect location of damage.───首先将所得的结构响应信号进行小波包分解,然后通过小波包能量变化率指标进行损伤定位。
Whether the precursor is obvious is correlated to rock the character, and the precursor of AE rate is more apparent than the precursor of AE energy rate comparatively.───岩石的破坏前兆是否明显跟岩性有关,相比较而言,岩石破坏时的声发射率前兆比声发射能量率前兆更为明显一些。
In this study, a damage detection index, namely, wavelet packet energy rate index, is proposed for the damage detection of structures.───提出基于小波包变换的能量变化率指标,并用其进行损伤识别的方法。
The results show that MHSJ is a good energy dissipation type with more dissipated energy rate, less food fogging and well applicability.───研究表明,该新型消能形式具有流态稳定、适应性强、低雾化、高消能率的特点。
The AE rate characteristics are not almost concordant with the AE energy rate. 4.───岩石的声发射事件率特征与能量率特征并不完全一致;
Electromagnetic forming ( EMF ) is a kind of high energy rate forming.
The upsetting test of metal powder sintered preform by blow speed of the hydraulic press, crank press, pneumatic hammer and high energy rate forging hammer was reported.