# on-axis 中文是什么意思

###### 中文翻译手机版
• (直接在音箱障板前的轴线上测出的)轴上
• 同轴的
###### 例句与用法
• On - axis alignment
轴上对准
• Based on the scalar diffraction theory and the boundary condition of rayleigh - sommerfeld , the accurate on - axis propagating wave function of plane wave diffracted by small circular band is obtained by solving the first integral of rayleigh - sommerfeld
摘要从标量衍射理论出发，采用瑞利索末菲衍射边界条件，通过求解第一类瑞利索末菲衍射积分得到平面波经圆环衍射后轴上的波函数，进而分析轴上的光强特性以及光强极值数量、位置和大小与衍射圆环内外孔径的关系。
• Furthermore , the fiber volume fraction of each inclined and horizontal unidirectional " lamina was assumed to be the same as that of the composites . three - dimensional stress - strain analysis was applied to each unidirectional lamina that was assumed to be transversely isotropical under on - axis coordinate system . carrying out the integration and averaging of stiffness yielded the effective elastic moduli of 3 - d braided structural composites
采用三维应力?应变分析，在单胞的长度方向积分和平均，在给定的应变边界条件下，采用刚度体积平均的方法，预测三维编织结构复合材料的有效弹性模量；在空间多向应力的基础上，通过对三维编织结构复合材料破坏机理的探讨，摘要提出了适用于三维编织复合材料细观强度失效准则，预测三维编织结构复合材料的强度性能。
• A simply and analytical formula of the axial light intensity distribution behind a circular aperture is derived by using the helmhotz - kirchhoff integral theorem and the kirchhoff ' s boundary conditions . it is studied the nonparaxial on - axis intensity distribution throughout the whole space behind a circular aperture . an accurate formula to calculate the fresnel number of circular aperture is presented and the validity of usual fresnel number formula is reexamined . by using the analytical formula and diffraction integral formula , some numerical simulation comparisons are done , and it is shown that the results of the two methods are completely coincident
用亥姆霍兹-基尔霍夫积分定理和基尔霍夫边界条件,推导出了平面波经小圆孔非傍轴衍射时轴上强度的简单解析表达式,研究了平面波经小圆孔后整个衍射空间非傍轴的轴上光强分布.给出了计算圆孔菲涅尔数的精确公式,重新检查了通常的菲涅尔数公式的有效性.数值计算显示,应用解析表达式所得的结果与应用衍射积分公式所得的结果完全一致
• With the typical on - axis fatigue tests to get the relative s - n curves of unidirectional laminates , executed at certain stress ratio , it is possible to predict the fatigue life of multidirectional laminates subjected to cyclic stresses of different stress ratios . this would tremendously reduce test costs for laminate structures
考虑了层压板中单向层面内多轴应力和平均应力的影响，在已知单向板在确定应力比下受典型单轴循环应力的s - n曲线的基础上，预测任意铺叠次序层压结构在不同应力比的循环载荷下的疲劳寿命。
• Based on the hybrid / mixed element method of piezoelectric laminated , a piezoelectric multilayer element is developed , in the piezoelectric multilayer element , the continuity of transverse stresses of at interfaces between layers is naturally ensured . 3 . by the use of iso - function method , stress modes of 8 - node three - dimensional solid element made of on - axis orthotropic material are derived
依据一般层合板杂交元理论知识，提出一个压电层合板多层单元，利用压电层合板子层间的表面参数，使压电层合板的层间应力的连续性得到自然满足，并对压电层合板进行杂交元列式。

###### 相关词汇
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