This paper compares the expanded to the unexpanded in the performance of direction of arrival estimation at first, and then analyses the beam of different thinned ratio.
比较了该阵列扩展前和扩展后的测向性能，分析了阵列在不同稀疏比下的测向性能以及波束图，可以看出稀疏阵列的波束图的旁瓣明显降低了。
The performance of direction of arrival estimation is strongly effected by spatial scatter noises such as interference, multiple propagation noise or other spatial correlated noises.
阵列测向中空间相关噪声、杂散的多径反射噪声以及空间杂散干扰是影响测向性能的较大因素。
This paper proposes a blind identification approach to direction of arrival estimation of coherently distributed sources without knowing the accurate function forms of the angular signal density.
针对相干信号源分布式目标，在具体的空间信号分布函数形式未知的情况下，提出了一种基于盲辨识的分布式目标波达方向（DOA）估计方法。
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。
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。
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。
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。
Based on the special structure of coupling matrix, a direction of arrival (DOA) estimation algorithm in the presence of unknown mutual coupling for the nonuniform circular array (NUCA) is presented.
基于互耦矩阵的特殊结构，给出了一种更具一般性的非均匀圆阵模型，提出了一种在未知互耦条件下的非均匀圆阵波达方向估计算法。
In this paper, a Direction of Arrival (DOA) estimation algorithm is proposed for uplink MC-CDMA system with antenna array.
提出了一种阵列天线MC - CD MA系统用户波达方向估计算法。
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。
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。
A novel Direction Of Arrival (DOA) estimation method is proposed with Uniform Linear Array (ULA) when mixed sources are presented.
提出了一种基于均匀线阵的混合源波达方向DOA估计的新方法。
In this paper, a new algorithm for direction of arrival (DOA) estimation is presented.
本文提出了到达波方向(DOA)估计的一种新算法。
The orthogonality between the signal subspace and the noise subspace is widely employed to implement the Direction of Arrival (DOA) estimation.
利用信号子空间和噪声子空间正交性，可以实现超分辨波达方向(DOA)估计。
An estimation method of direction of arrival (DOA) for UWB based on frequency modeling cannot deal with coherent sources.
基于频域模型的UWB到达角估计方法只能解决非相干源问题，因此提出了一种改进的估计方法。
A novel algorithm for optimizing the structure and parameters of Direction of Arrival (DOA) estimation model based on radial basis function neural network is presented.
提出一种优化径向基函数神经网络来波方位(DOA)估计模型结构和参数的方法。
The performance of beamspace high-resolution direction-of-arrival (DOA) estimation is analyzed. A dense beamspace MUSIC (DBMUSIC) algorithm for the uniform linear array (ULA) is proposed.
深入分析了波束域高分辨方位估计性能，捉出了一种基于均匀线列阵的密集波束域MUSIC（DBMUSIC）法。
The property and the differential characteristic of maximum likelihood direction-of-arrival estimation (MLE)function for every variety of centrosymmetric array are investigated in the paper.
本文着重讨论了在任意几何中心对称阵列条件下的最大似然方向估计函数的性质及其在信源真实方向上的微分特性。
In order to verify the validity for signal phase matching principle, the experiments of DOA (Direction of Arrival) estimation are carried out at reservoir by using 16-sensor array.
为了验证信号相位匹配原理的正确性，利用自制的16元线列阵，在水库进行了声源定向实验研究。
Spatial spectrum estimation technique is a new direction-of-arrival estimation technique based on multielement array and modern digital signal processing theory.
空间谱估计测向是一种以多元天线阵结合现代数字信号处理为基础的新型测向技术。
An estimation method of direction of arrival (DoA) and Doppler frequency for signals in the presence of array errors is proposed.
在均匀线阵存在误差的情况下，提出了一种信号波达方向和多普勒频率的估计方法。
The direction-of-arrival (DOA) estimation is one of the most important problems in the technology of the array signal processing.
阵列信号处理的热点之一是目标波达方位（DOA）估计。
The second is the measurement of arrival direction for radio signals, which is to monitor the spatial distribution of radio energy, which is often called spatial spectrum estimation.
第二是对无线电信号来波方向的测量，即是要对无线电信号能量在空间的分布进行监测，这就是所谓的空间谱估计技术。
Direction of arrival (DOA) estimation is an important topic in electronic reconnaissance system.
确定信号的波达方向是电子侦察系统的一个重要方面。
This paper studies beam-space MUSIC for direction-of-arrival estimation of underwater targets.
本文针对水声设备的实际应用，研究了波束域高分辨方位估计的MUSIC方法。
This paper studies beam-space MUSIC for direction-of-arrival estimation of underwater targets.
本文针对水声设备的实际应用，研究了波束域高分辨方位估计的MUSIC方法。
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