Following this method, sample processes can be generated using a cosine series formula.
按照该方法，样本过程可直接由一余弦级数公式计算产生。
Firstly, Airy stress function and the distributions of the membrane forces are determined by the combination of double cosine series.
首先采用双重余弦函数的组合确定了面内冲击矩形薄板的艾雷应力函数和中面力的分布；
According to the theory of separation and reconstruction of wind field, the Q vector is separated accordingly in limited area using the approach of harmonic-cosine series expansion.
依据水平风场分解思路，运用调和-余弦算法，准确分解有限区域Q矢量。
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