At present, most of the DOA estimation algorithms are used in the Gaussian noise environment.
目前,大多数的DOA估计算法是应用在高斯噪声环境下的。
The research of DOA estimation in passive direction-finding sonar has important practice significance.
被动测向声纳中的波达方向估计研究具有重要的现实意义。
A robust Direction of Arrival (DOA) estimation algorithm for coherent wideband sources in unknown correlated noise fields is investigated in this paper.
提出了一种未知相关噪声环境下,相干宽带源波达方向宽容估计算法。
The main studied topic of spatial spectrum estimation is the direction of arrival (DOA) of spatial signals.
对信号波达方向(doa)的估计是空间谱估计研究的主题。
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。
The matrix decomposition method for DOA estimation is analyzed. It is proved that the method is a subspace method.
本文对用于DOA估计的矩阵分解法进行了分析,证明了它是一种子空间方法。
Under the constraint of DOA angles and sensor gains in the signal subspace, the estimation of sensor gain can be obtained without any calibration source.
运用信号子空间对信号DOA和通道增益的约束关系,在无校准源时,可以得到通道增益的估计。
In an underwater multi-source detecting and tracking system, the incorrect estimation of source number will do bad effect on DOA estimation and the whole system.
在水下多源探测与跟踪系统中,信号源数目估计不准确对波达方向估计以及整个系统性能会产生严重影响。
In this thesis, the methods for DOA estimation in the presence of array errors and nonuniform noise are discussed.
本文就阵列存在误差及非均匀噪声情况下的DOA估计方法进行了讨论。
DOA of correlated signals is difficult question of space spectrum estimation.
相干信号源的测向是空间谱估计的一个难题。
In this paper, the problem of DOA estimation and single station localization and tracking of wideband chirp signals emitter researched.
对宽带线性调频信号的方位角估计以及对这类信号辐射源单站跟踪问题进行了研究。
An acoustic vector hydrophone measures the scalar acoustic pressure and the vector acoustic particle velocity, thus the DOA can be estimated by single vector hydrophone.
矢量水听器由于能获取声场中标量(声压)和矢量(振速)信息,因此单个的矢量水听器就可实现目标方位估计。
Using theory of spacial spectrum estimation to estimate Direction of Arrival (DOA) of target signals will be one of absolutely necessary technology means in future electron warfare.
利用空间谱估计理论,对外来目标信号进行超分辨测向将会成为近代电子战中必不可少的技术手段之一。
DOA (direction of arrival) estimation is realized by using antenna array to estimate the arrival direction of space signal source.
波达方向估计是利用天线阵元对空间信源的来波方向进行估计。
This dissertation concentrates on the study of Direction-of-Arrival (DOA) for wideband signals.
本论文就宽带阵列信号的波达方向估计(DOA)方法进行了研究。
Comparison with the spatial processing method using fractional lower order statistics, the proposed algorithm provides more precise DOA estimates by using the ambiguity domain information of signals.
与基于分数低阶统计量的空域处理方法相比,该文提出的算法利用了信号在模糊域中的信息,提高了算法的估计精度。
With the perfect characteristics of acoustic vector sensor in the low frequency band, accurate DOA estimation is achieved with small array size.
利用矢量传感器在低频段的良好特性,实现了小尺寸声阵条件下的高精度目标DOA估计。
A joint direction of arrival (DOA) estimation and phase calibration for synchronous CDMA system with decorrelator are presented.
提出了解相关同步CD MA系统一种联合波达方向(DOA)估计与相位标定算法。
The Doppler frequency of signals was used to estimate the direction of arrival (DOA) of desired signal with unknown array response vector.
在未知阵列响应矢量的条件下,利用信号的多普勒信息,估计出期望信号的波达方向。
The effect of array antenna channel error on DOA algorithm and analysis of some array antenna channel error calibration motheds is given.
分析了阵列天线的通道误差对DOA估计算法的影响,研究了一些校正算法的性能。
Under this background, we try to review recent progress in study on acoustic vector sensor signal processing, such as signal detection, DOA estimation, beamforming, and so on.
在此背景下,本文尝试综述声矢量传感器信号处理研究的当前进展,如信号检测、DOA估计、波束形成等。
A multiuser DOA estimation algorithm for correlated sources is presented in this paper.
本文提出了一种基于空间特征的多用户相干源DOA估计算法。
In the direction of arrival (DOA) estimation problem, the relationship between the second-order and the fourth-order subspaces is found and proved in the paper.
本文分析了在高阶统计应用阵来波方向估计问题中二阶子空间与四阶子空间的概念及形式关系。
Combined the fast subspace decomposition method with the wideband incoherent signal subspace method, a fast wideband incoherent signal subspace DOA estimation method is proposed.
将快速子空间分解与宽带非相干信号子空间方法相结合,得到了宽带到达角估计快速方法。
In the researches of direction-of-arrival (DOA) of the radar signal, the spatial spectrum estimation based on the array signal process is a usual and pervasive method.
在对雷达信号的到达角估计研究中,在阵列信号处理的基础上应用空间谱估计方法是当前较为普遍而常见的处理方式。
We studied the performances of this system by simulations, including the impacts of channel fading, angle spread and co-channel interference on DOA estimation.
通过仿真,研究了这一系统在移动通信环境下的性能,包括信道衰落、信号角度扩散及同频干扰用户等对DOA估计的影响。
It presents a new method of DOA estimation in time-frequency domain, via establishing the STFD matrix and combining the traditional methods of array.
通过构建空间时频分布矩阵,和传统的阵列信号处理方法相结合,从而得到一种新的时频域的波达方向估计方法。
Therefore a robust estimation of DOA can be achieved with this novel adaptive antenna.
因此基于该新型自适应天线,可以实现来波方向的鲁棒性估计。
The constant beam-width beam-former and wideband DOA estimation algorithms are realized in the DSP hardware systems.
完成了恒定束宽波束形成以及宽带源方位估计算法在DSP硬件系统中的实现。
The constant beam-width beam-former and wideband DOA estimation algorithms are realized in the DSP hardware systems.
完成了恒定束宽波束形成以及宽带源方位估计算法在DSP硬件系统中的实现。
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