1) second order moment method
二阶矩法
1.
The second order moment method was used to derive the analytical formulas for both beam waist and the position of the waist of the focused elegant sin Gaussian beam.
用二阶矩法推导出了复宗量正弦高斯光束的束腰宽度及其位置的解析表达式,用此表达式可计算复宗量正弦高斯光束的焦移。
2) second moment method
二阶矩法
1.
The Intermediate Diameter formula and the Mises formula based on the elastic failure norm,and the Mises formula based on the whole plastic failure norm about the reliability of cylinder vessels with internal pressure were conducted with the second moment method.
利用二阶矩法推导出内压圆柱壳基于弹性失效设计准则的中径公式、Mises公式和全塑性失效设计准则的Mises公式的可靠性系数的表达式,然后将其应用于一算例当中,比较内压圆柱壳的常规设计与可靠性设计。
3) second moment approximation
二阶矩方法
1.
Based on a maximum likelihood method and a second moment approximation, a new method for fatigue reliability analysis is presented.
本文提出了采用一个随机变量描述疲劳裂纹扩展统计不确定性方法,并且通过极大似然方法和二阶矩方法进行疲劳可靠性分析。
4) the method of quadratic and two ranks quadrature
二次二阶矩方法
5) second-order second-moment method
二次二阶矩法
1.
Calculating structure reliability index by second-order second-moment method;
用二次二阶矩法计算结构可靠性指标
6) FOSM
一次二阶矩法
1.
Fuzzy reliability analysis based on the FOSM method;
模糊可靠性分析一次二阶矩法
2.
Based on First-order Second-moment Method(FOSM),a formula for calculating t.
在一次二阶矩法的基础上,推导了计算模糊随机可靠度的具体公式。
3.
Reliability analysis using First Order Second Moment(FOSM)is important for structural probability design,in which process demands the derivative operation.
一次二阶矩法是目前求解结构可靠性分析的主要计算方法之一,该方法要求功能函数对随机变量的偏导运算。
补充资料：矩矩吒
【矩矩吒】
（动物）又作鸠鸠吒。鸡也。见求法高僧传等。
（动物）又作鸠鸠吒。鸡也。见求法高僧传等。
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