本文研究了阵元随机扰动对方向估计的影响。
The effects of random sensor motion on bearing estimation are investigated.
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。
The research of DOA estimation in passive direction-finding sonar has important practice significance.
一般的阵列信号源数和方向估计都是在噪声环境里进行的。
The source number and DOA(direction of arrival) must be estimated in the space array signal processing before receiving signal correctly.
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。
DOA (direction of arrival) estimation is realized by using antenna array to estimate the arrival direction of space signal source.
较为详细地分析了智能天线中关于波达方向估计的MUSIC算法。
To direction finding on antenna array, this paper first discussed classical algorithm -music algorithm in space spectrum estimate.
另外，也有必要考虑空间色噪声环境中的分布源波达方向估计问题。
It is necessary to analyze the effects of finite bandwidth to bearing estimation of spatially distributed source.
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。
This dissertation concentrates on the study of Direction-of-Arrival (DOA) for wideband signals.
提出了一种阵列天线MC - CD MA系统用户波达方向估计算法。
In this paper, a Direction of Arrival (DOA) estimation algorithm is proposed for uplink MC-CDMA system with antenna array.
通过理论分析，给出了波达方向估计的一致性证明和估计方差的计算公式。
Subsequently the estimation consistency is proved, and the estimation variance is derived theoretically.
提出一种基于双平行线阵有相干信号源存在情况下二维波达方向估计的新算法。
This paper presents a new method for estimating two dimensional Angle of arrival in the presence of coherent signal sources with two parallel linear array.
模拟实验结果显示了该神经网络方法进行平面波到达方向估计与跟踪的优良性能。
Simulation results are given to illustrate the excellent performance of the neural networks for estimating and tracking the direction of arrival of plane waves.
模拟实验结果显示了该神经网络方法进行平面波到达方向估计与跟踪的优良性能。
Simulation results are given to illustrate the excellent performance of the neural networks for estimating and tracking the direction of arrival of plane...
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。
Time delay estimation was widely used in many areas such as target localization, directions of arrival (DOA) estimation.
适当地选取时延和非均匀阵列阵元位置，该方法的信号频率和2 D到达方向估计无模糊。
With choosing signal time delay and element location of nonuniform array properly, the estimated frequencies and 2 D directions of arrival are unambiguous.
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。
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.
另外，该方法可以适用于任意的阵列结构，并且对期望信号和相干信号方向估计误差具有很强的稳健性。
The proposed method can been applied to an array of arbitrary geometry and is robust to the estimation errors of the source directions.
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 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.
本文在介绍了空间分割信号源方向估计方法后，提出了一种空间分割信号源方向估计器的神经网络实现方法。
This paper proposed a neural network implementation method for the direction estimation of signal sources based on spatial partition after describing the basic principle.
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。
It presents a new method of DOA estimation in time-frequency domain, via establishing the STFD matrix and combining the traditional methods of array.
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。
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.
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。
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.
现有的阵列校正算法几乎都没有考虑存在多径效应时的情况，对此提出了一种米波雷达低仰角环境下波达方向估计和阵列通道误差校正的新算法。
Most of the existing array calibration methods require a specific type or class of sources, and need some pre-knowledge of the sources parameters such as directions-of-arrival (DOA).
在其中一个实验中，参与者必须观察12个随机在屏幕上飘过的点，并快速的估计出总体的运动方向。
In one, the participants had to watch 12 dots moving randomly on ascreen and quickly assess their aggregate direction of movement.
也许原因之一是一位分析师得出一个明显的变化后，其他人会重新检查他们的分析模型，然后向同一个方向修正他们的估计。
One reason may be that after one analyst makes a significant change, others re-examine their models and then revise their estimates in the same direction.
据估计，目前全球约有2400万人有失忆、不辨方向等阿尔兹·海默症等各种形式痴呆症的症状。
An estimated 24 million people worldwide have the memory loss, problems with orientation and other symptoms that signal Alzheimer's disease and other forms of dementia.
对初始步长进行了修正，以避免方向不理想时时修正量的过大估计。
Next initial step length is modified to avoid too great estimation of modification when direction is not ideal.
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。
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。
A robust Direction of Arrival (DOA) estimation algorithm for coherent wideband sources in unknown correlated noise fields is investigated in this paper.
应用推荐