谐波相位参考在频域上为梳状波而在时域上为很窄的脉冲序列。
Generally, the harmonic phase reference circuit is a comb generator in frequency domain and a pulse generator in time domain.
然后建立时域上关于搜索块与参考块之间运动矢量夹角的概率模型，对于帧间预测宏块通过聂曼一皮尔迅准则进行运动判决。
For Inter-MB, a temporally statistical modal with regard to vector angle was established and the moving object was detected by using the neyman-pearson criteria.
该算法中P帧之间的参考预测关系构成多条链状结构，使视频具有时域可扩展性。
Temporal scalability is obtained with prediction chains constructed to give prediction dependency between P-frames.
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