Q(t)为组织的TDC，Ca(t)为动脉的TDC，为卷积算子（convolution operator），F为脑血流，FR(t)反映的是一定血流下随时间的变化而残留在脑组织中的对比剂的量，又称为搏动剩余函数（impulse residue functi...
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non-convolution operator 非卷积算子
Convolution operator semigroup 卷积算子半群
spherical convolution operator 球面卷积算子
multidimensional convolution operator 多维卷积算子
Strongly singular convolution operator 强奇异卷积算子
Convolution Differential Operator 褶积微分算子
This paper investigates the converse theorems for the multidimensional convolution operator approximation.
本文证明了多维卷积算子逼近的逆定理。
The circular convolution operator is compared with the linear convolution operator in the calculation of local statistics.
比较了循环卷积算予和线性卷积算子在计算局部统计量上的异同点。
Furthermore, the fact that applying convolution operator is closed to inducting new attributes, just the time shifts of the primary attributes, is proved.
并证明了应用褶积因子相当于引入新的属性，只不过这列属性是原属性的时移。
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