1) energy envelope
能量包线
1.
Using the stochastic average method of energy envelope, the analytical solution of the joint probability density function of steady-state responses of coulomb sliding friction rigid structures to Gaussian white noise is derived, which is the same as that of in reference [2] by means of the equivalent nonlinear system method.
利用能量包线随机平均法,导出了库伦滑动摩擦刚性结构在高斯白噪声地面作用下响应的稳态联合概率密度函数的解析解,它与文献[2]的等效非线性系统法所得之解完全相同。
2) wave packet energy
波包能量
1.
Experimental study on crack growth monitoring based on wave packet energy
基于波包能量的裂纹扩展监测实验研究
4) wavelet packet energy
小波包能量
1.
A novel speech enhancement method based on wavelet packet energy in strong noise background
强噪声条件下基于小波包能量的语音增强新算法
2.
Gear fault classification based on Gaussian mixture model and wavelet packet energy
高斯混合模型与小波包能量相结合的齿轮故障分类
3.
The pressure signals of normal and abnormal combustion were decomposed by wavelet packet and the wavelet packet energy was extracted.
对氢发动机正常燃烧和异常燃烧压力信号进行了小波包分解,提取出小波包能量。
5) heat input
线能量
1.
Effect of welding heat input on critical implant stress of 15MnVN steel;
焊接线能量对15MnVN钢插销临界应力的影响
2.
By surfacing on plate used shield metal arc welding(SMAW) process,the effect rule of heat input on the microstructure of 2205 duplex stainless steel(DSS) welds and high temperature heat affect zone(HTHAZ) was investigated.
采用手工电弧焊在平板上堆焊的方法,研究了不同线能量参数对2205双相不锈钢焊缝和热影响区组织的影响规律。
3.
The effects of heat input on the laser beam welding residual stress and distortion of TC4 titanium alloy were investigated by finite element analysis and experimental tests.
利用有限元分析和实验测试,研究了TC4钛合金平板激光焊接线能量对变形和残余应力的影响规律,并通过焊缝金相实验分析了线能量与焊接残余应力和变形的内在关系。
6) energy curve
能量曲线
1.
The obvious stages of energy curve were discovered along the crack expanding direction in the propagation zone.
结果表明在裂纹扩展期,沿裂纹扩展方向上,能量曲线都具有明显的阶段性;断口表面的形貌随裂纹扩展过程变化较大,在裂纹扩展的初始阶段断口形貌最粗糙,而在扩展期后期则比较平坦、光滑;在与裂纹扩展过程垂直的方向上,裂纹的能量远比周边基体能量大,表明锆-4合金疲劳裂纹的形貌明显比周边区域陡峭。
补充资料:焊接线能量
焊接线能量
energy input
hanJ一ex一an nengllang焊接线能量(Energy Input)由移动热源输入给单位长焊缝的能量。焊接线能量是焊接过程中各种热现象的重要影响因素,它不但影响峰值温度的分布和冷却速度,还影响凝固时间,从而影响金属焊接接头的冶金特性和力学性能。其计算式为H~尸/v,式中H为线能量,J/mm;尸为由热源输入的总能量,W;v为热源移动速度,mm/s。若热源为电弧,则H~El/v,式中E为电弧电压,V;I为焊接电流,A。若要精确计算热源对焊件的作用,则Hne,~人,El/v,式中Hne:为净得线能量。fl为热传导系数,其值为实际传给工件的热能与热源产生的总能量之比。热影响区的宽度与H二:成正比,焊缝的冷速与H、,成反比,而凝固时间与之成正比。所以焊接线能量对金属焊接性有一定的影响。 (李维茜)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条