The method is an implicit iterative scheme with a hyperbolic sine transform for the matric potential.
这个方法使用了水土势双曲正弦变换的隐式差分格式。
So the fast algorithms of discrete sine transform, the discrete cosine transform and the discrete W transform are unified.
这样，离散余弦、离散正弦、离散w变换快速算法就有了一个统一的格式。
Based on the generalized sine and cosine functions in the triangular domain, the discrete generalized sine and cosine transform are defined.
在三角区域的广义正弦函数和广义余弦函数基础上，定义了三角区域的离散广义正弦变换和离散广义余弦变换。
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