在论文中，对典型的时延估计方法做了研究和模拟实验。
In this paper, some experiments are done to test the typical TDE theories, which are fatal to the detection and bearing estimation.
本文提出了一种基于最小二乘（LS）自适应AR建模的时延估计方法。
A high resolution time delay estimation based on the LS lattice adaptive AR power spectrum estimation is proposed.
基于频域子空间思想，给出了一种适用于非周期扩频系统的多径时延估计方法。
Based on the idea of frequency domain subspace, a multipath delay estimating method for aperiodic spreading system is proposed.
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