研究了基于时延估计的低空目标声测无源定位理论与算法。

The theory and algorithm for low altitude target localization based on time delay estimation (TDE) is studied.

youdao

论文研究了基于多径时延跟踪的信道估计方法，并提出了一种低复杂度的多径时延跟踪方法。

We investigate the channel estimation algorithms based on tracking multipath time delay, a low complexity multipath time delay estimation method is proposed.

youdao

提出了一种基于平方相干函数的频域自适应最大似然时延估计算法。

A frequency domain adaptive maximum likelihood (ML) time delay estimation algorithm based on squared coherence function is proposed.

youdao