Without large matrix calculate and no iteration , the fast pca algorithm gets a very fast speed 该算法不涉及大规模的矩阵运算,也没有迭代过程,具有运算量少,收敛速度快的特点。
However , there are difficulties in implementation such as the heavy computation and complex operation procedures 然而由于其庞大的运算量与复杂的运算程序,造成硬体实作上无法容易实现。
It can exactly get the very motion vector . because of its large computational complexity , people tried many other methods 运动向量估计在编码过程中占运算量很大的部分,比重是50 %以上。
The fast motion compensation can save 44 % computation compared to the traditional motion compensation in the dct domain 本文给出的运动补偿快速算法与传统的dct域运动补偿算法相比,可以节省44 %的运算量。
The ml algorithm can be used for the doa estimation of correlated signals , but it has a huge computational load 极大似然估计算法能够对相干信号源进行测向估计,但其运算量过于庞大,阻碍算法在实践中的应用。