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 theory, estimation of DOA, arrangement of array, switching methods and anti-jamming ability of smart antenna are analyzed.
论文中分析了这种智能天线的工作原理、DOA估计、组阵形式、切换方法和抗干扰能力等问题。
Computer simulations show that, even under low input signal-to-noise-ratio, the accurate estimation of DOA could be given when the virtual array method is applied to the planar array.
仿真结果显示：虚拟阵元法应用于面阵，在输入信噪比较低的情况下仍可以准确判断来波方向。
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。
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。
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 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。
The channel uncertainty of wideband signals is modeled and its affection on the performance of DOA estimation is analyzed.
分析了通道不一致对算法性能的影响，建立了宽带信号模型的通道误差模型；
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。
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。
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。
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。
In this paper, the DOA of sources are estimated using MUSIC algorithm by a vector-hydrophone ULA (Uniform Linear Array) to improve the DOA estimation resolution.
本文采用矢量水听器均匀线阵研究了利用MUSIC算法对声源进行方位估计，以提高对源方位的估计精度。
This method provides a closed-form solution and reduces the computational load of DOA estimation.
并且该算法可以得到闭式解，有效地降低了DOA估计的运算量。
It is featured with selectivity of DOA estimation.
它的另一个特点是具有DOA估计的选择性。
According to the algorithms and the theories which are said, DOA estimation of broadband weak signal under strong interferences is studied.
结合上述的算法和理论，研究了在强干扰背景下的宽带弱信号源的doa估计。
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。
Making use of the temporal-spatial stationary characteristic of the array antenna received signals, an improved DOA estimation algorithm based on the largest eigenvalue is proposed.
利用阵列天线接收信号的空时平稳特性，在最大特征值法的基础上提出一种改进的DOA估计算法。
Through spatial smoothing, the problem of DOA estimation of signals with the same time-frequency signature is solved.
利用空间时频分布的前后向平滑解决了具有相同时频特性信号的均匀线阵DOA估计问题。
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。
The other one is broadband focusing for adaptive beamforming, the broadband focusing of DOA estimation applies to beamforming.
另一种是利用宽带聚焦方法的自适应波束形成算法，将DOA估计中的宽带聚焦方法应用到波束形成中。
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。
According to the model of low Angle bearing, a new direct signal DOA estimation algorithm is proposed based on fourth-order cumulant.
基于低空测角模型，提出了一种基于四阶累积量的直达波方位估计算法。
By using subspace disturbing analysis to investigate the statistical performance of the CSS, the relationship between the DOA estimation error and the signal to noise ratio (SNR) was presented.
应用子空间扰动分析研究了宽带CSS法的统计性能，得出了宽带CSS法方位估计误差随信噪比变化的关系。
In allusion to wideband LFM signals which have the same time-frequency signature, a novel algorithm of DOA estimation is proposed.
针对具有相同时频分布的宽带相干lf M信号，提出了一种DOA估计新算法。
Unsymmetrical weighted spatial smoothing difference (UWSSD) algorithm, a new method for the DOA estimation of coherent sources is proposed.
提出了相干信源DOA估计的非对称加权空间平滑差分(UWSSD)算法。
Unsymmetrical weighted spatial smoothing difference (UWSSD) algorithm, a new method for the DOA estimation of coherent sources is proposed.
提出了相干信源DOA估计的非对称加权空间平滑差分(UWSSD)算法。
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