time estimation

Joint Estimation of Doppler and Multipath Time Delay of Overlapping Echoes for LFM Pulse Radar

LFM脉冲雷达回波Doppler与多径时延的联合估计

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The experiment results show that it is applicable to adaptive detection systems in nonstationary as well as stationary environments, and the estimation variances of the adaptive parameter identification and time delay estimation applications are significantly decreased because of the dynamic convergence determination.

实验结果表明，动态判断收敛方法对平稳和非平稳检测环境均适用，相应检测条件下的自适应系统参数辨识及时延估计的方差因此得到较大改善。

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Using time difference gradient of reflective event after re sampling during digital signal processing for seismic data, an estimation of drop height for small scale faults ( < 5m) was conducted.

以数字信号处理的重采样原理为依据，利用重采样后的反射波同相轴时差梯度进行5m以下小断层落差的定量估算。

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A real-time estimation of a prior variance-covariance for GPS observations is suggested in this paper.

本文提出了一种GPS观测量的先验方差 - 协方差矩阵的 实时 估计方法.

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At the same time , we also give the estimation for the rate of convergence.

讨论了一个线性模型的基于残差做出的误差密度核估计的收敛速度.

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Accurate time delay estimation of overlapping fading multipath components is vital for many systems, particularly for positioning technologies.

多径分量重叠衰落下的精确时延估计对很多系统而言都非常重要，对于定位技术更是如此。

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Maximum Likelihood Estimation of Muti-Dimension Auto-Regressive Time Order

多维自回归时间序列的极大似然估计

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Traditional methods are steered beamformer, high resolution spectral estimation, time delay estimation ( TDE ) .

传统的声源定位方法主要有:可控波束形成技术; 高分辨率谱估计的定向技术;时延 估计技术 等.

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The method , based on cross-ambiguity function, is more suitable for time delay estimation in low SNR.

这种基于互模糊函数的算法与传统的直接互相关法相比, 更适用于低信噪比情况下的时差估计.

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An over-optimistic prior estimation of the journey time leads to the illusion of the return journey being shorter, the researchers said.

据悉，对自己启程所耗时间的过分乐观是导致造成归途变短错觉的主要因素。

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Studies on The Estimation of Activity Time in PERT

PERT工序时间估计的一些研究

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