余弦积分;
A new combination entrance optics is developed with the integral cosine error
研制的入射光学系统由聚四氟乙烯积分球、磨砂石英球冠型余弦漫射器和修正环组成,积分余弦误差
By means of higher transcendental functions ( exponential integral, sine and cosine integral), the general solutions ofthe problem are obtained.
通过引入高等超越函数(指数积分,正弦和余弦积分等),得到了问题的一般解。
After the boundary problem being reduced into dual integral equations by employing Cosine Integral Transformation, the solution of closed form is obtained and the intensity factors of both mechanics and electric are formulated.
用余弦积分变换将边值问题化为对偶积分方程,得到了封闭形式解,计算了裂纹尖端强度因子。
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