研究了基于相位谱的时间延迟估计原理及其算法。
A time delay estimation algorithm and theory based on phase function were studied.
该方法不涉及运动估计，具有较低的计算负荷和时间延迟，所产生的视频流是完全嵌入的。
The method does not involve motion estimation, and has lower computational complexity and coding latency, and can make full-embedded video streams.
当采用相关法估计时间延迟时，多径时延的分辨率受到相关函数主(？)宽度的限制。
Multipath time delay estimation is constrained by the width of the signal correlation function when using correlation method.
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