按照该方法，样本过程可直接由一余弦级数公式计算产生。
Following this method, sample processes can be generated using a cosine series formula.
其多项式系数又表示为入射角的余弦的另一个羃级数。
The polynomial coefficients are expressed as another power series of cosine of incident angle.
一列连续与正弦、余弦函数相乘的无穷级数，若是趋向同一点时，可模拟一系列多种函数。
An infinite series whose terms are constants multiplied by sine and cosine functions and that can, if uniformly convergent, approximate a wide variety of functions.
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