Time-delay estimation is the key to the passive acoustic location.
时延估计是被动声定位的关键。
In the case where time-delay is time varying, a useful way is to develop on-line time-delay estimation mechanisms to track the time-delay variation.
如果时滞是时变的,需要研究在线时滞估计机构来跟踪时滞的变化。
To resolve the problem of time-delay estimation for sub-sampling sinusoidal signals, a new method composed of multi-period sampling and multi-layer correlation is proposed.
针对正弦信号时差估计的多解模糊问题,提出采用多周期取点欠采样和多重相关方法来解决。
This paper analyzes the new type of method for localizing the source using the excitation information in speech, and presents the theory of time-delay estimation based on the EGCI.
论文分析了基于语音激励信息的时间延迟算法分类,描述了基于EGCI的时延估计方法基本原理。
Taking into account the multi channels disturbance and noises with the non stationary characteristic, time delay estimation based on adaptive parametric approach is proposed.
在考虑多通道非平稳信号干扰及背景噪声的情况下,提出了基于自适应参数型时间延时估计方法。
This time delay estimation approach based on adaptive parameters approach can be used to location targets in sonar and radar system.
该时间延时估计方法可用于声纳及雷达系统的目标定位。
This multipath time delay estimation approach based on adaptive parameters approach can be used to location targets in sonar and radar system.
该时间延时估计方法可用于声纳及雷达系统的目标定位。
Time delay estimation is a very active researching topic with important academic meaning and applying value in the international signal processing field.
时间延迟估计是国际信号处理领域的一个十分活跃的研究课题,具有重要的理论意义和应用价值。
Based on the characters of overlapped echoes, a new method for time delay estimation is presented.
基于时域混叠信号的特点,提出了一种时间延迟估计的新方法。
Multipath time delay estimation is constrained by the width of the signal correlation function when using correlation method.
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。
The estimation methods for higher order spectral are efficient in estimating time delay in colored noise.
高阶谱估计方法是用于色噪声背景下时间延迟估计的一个十分有效的方法。
A time delay estimation algorithm and theory based on phase function were studied.
研究了基于相位谱的时间延迟估计原理及其算法。
Time delay estimation for bandpass signals is discussed in this paper.
本文研究了带通信号的时延估计问题。
Time delay estimation was widely used in many areas such as target localization, directions of arrival (DOA) estimation.
多途时延估计广泛的应用于目标定位,波达方向估计等领域,因此具有十分重要的意义。
Road network average delay per unit distance OD pathway is designed to provide travel choice travel path, travel time delay estimation and the evaluation of the path delay for the travelers.
路网od径路单位里程平均延误旨在为出行者提供出行径路选择,出行延误时间估计道路延误水平评估等作用。
The theory and algorithm for low altitude target localization based on time delay estimation (TDE) is studied.
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。
By a large number of experiments show that demand for the generalized correlation time delay estimation in theory and in practice totally feasible.
通过大量实验,证明广义相关求用于时间延迟估计在理论上和实践上完全可行的。
Generalized cross correlation is an important technical measure to solve time delay estimation problem. Time delay estimation variance can reach CRLB by using ML weighting.
广义相关是解决时延估计的重要技术措施,采用极大似然加权进行时延估计时方差可达到克拉美罗界。
The accurate time delay estimation of a signal can be gained even if there is a great time delay because of the stationary performance of circular correlation.
由于循环相关的平稳特性,即使在较大延迟量存在的情况下,仍然能够达到准确的时延估计效果。
This technique uses different time delay values of the LFM pulse to code the transmitted information, and uses time delay estimation technique to perform decoding.
该技术利用线性调频信号(LFM)矩形脉冲的时延值进行时延编码,在接收端采用时延估计技术进行时延解码。
To improve the time delay estimation accuracy, this paper introduces the re-weighting method with mother wavelets based on the generalized correlation method for estimation of time delay.
为了提高时延估计精度,在广义相关时延估计的基础上本文又提出了基于基小波的二次加权法。
We investigate the channel estimation algorithms based on tracking multipath time delay, a low complexity multipath time delay estimation method is proposed.
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。
A new hybrid approach to solve the time delay estimation of Gaussian signal in the presence of unknown non-Gaussian spatially correlated noise has been proposed.
介绍了高阶统计量与互相关运算相混合的方法,在对非高斯相关噪声中,高斯信号进行时延估计中的应用。
One of the primary applications of higher order statistics has been for the time delay estimation of non-Gaussian signal in Gaussian spatially correlated noise.
高阶统计量在信号处理中成功的应用例子之一是估计高斯相关噪声中非高斯信号的时延参数。
As for the high precision positioning of underwater targets, the GPS sonobuoy technique has two bottlenecks: high precision system clock synchronization and high accuracy time delay estimation.
为了实现水下载体高精度的定位,GPS声纳浮标需解决两个方面的技术难点:高精度的系统时钟同步和定位信号的高精度时延估计。
A frequency domain adaptive maximum likelihood (ML) time delay estimation algorithm based on squared coherence function is proposed.
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。
Taking into account the noises correlated with signals, multipath time delay estimation based on adaptive parametric approach using third-order cumulants is proposed in this paper.
在存在背景噪声干扰的情况下,本文提出了一种基于三阶累积量的自适应参数型多径时延估计方法。
Wiener weighting adaptive time delay estimation algorithm based on frequency domain is presented.
提出了一种基于频域自适应滤波的维纳加权时延估计算法。
The estimation of time delay and scale of wideband echo is addressed.
研究了水下宽频带信号时延和尺度的估计问题。
The estimation of time delay and scale of wideband echo is addressed.
研究了水下宽频带信号时延和尺度的估计问题。
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