1) perfectly correlated signals
相干信号源
1.
On the basis of the spatial spectrum estimator MUSIC algorithm,some modified techniques are proposed because this algorithm isn t efficient for perfectly correlated signals;Several methods which bases on the ideas of spatial smoothing technique are introduced for uniformly linear array.
在空间谱估计MUSIC方法的基础上,针对该方法对相关信号源测向性能下降甚至失效的情况,对该方法进行了修正;针对均匀直线阵,介绍了几种基于空间平滑思想的用于解决相干信号源的方法。
2.
For the spatial spectrum estimator MUSIC algorithm isn t very efficient for perfectly correlated signals,a good method which bases on the ideas of spatial smoothing and array interpolation is introduced and an estimation method of AOA under multisectorial model is proposed.
由于空间谱估计 MUSIC 算法对相关信号源测向时会导致性能下降甚至失效,对于任意设置的平面天线阵列,文中介绍了一种基于空间平滑和阵列内插思想的入射角估计方法,可以较好的估计相干信号源的入射方向;并提出了一种多扇区情况下信号源方位角的估计方法。
2) coherent sources
相干信号源
1.
In this paper,an introduction of DOA estimation of coherent sources is proposed,which is suitable for arbitrary plane array.
针对相干信号源测向以及模糊的实际问题,提出一种基于任意形状平面阵列的测向方法。
2.
Based on the mathematical model of coherent sources,both virtual array transformation and modified MUSIC algorithm are used to realize the azimuth estimation of coherent sources in this paper.
文中在建立了相干信号源数学模型的基础上,利用虚拟阵列变换思想和修正 MUSIC 算法实现了对相干信号源的方位估计。
3) coherent signal
相干信号
1.
A DoA estimation algorithm for coherent signal based on the fourth-order cumulant;
一种基于四阶累积量的相干信号测向算法
2.
Method of 2-D direction of arrival estimation for coherent signals with arbitrary plane array
任意平面阵列的相干信号二维波达方向估计方法
3.
Research on coherent signal correlation based on dynamic situation
动态情况下相干信号相关性研究
4) coherent signals
相干信号
1.
Optimum beamforming for coherent signals;
存在相干信号时的最优波束形成
2.
Approach to 2-D angles direction estimation for coherent signals
二维相干信号测向估计方法
3.
The algorithm can not only estimate the power and Direction-of-Arrival(DOA) of the incoherent signals but estimate those of the coherent signals as well,and also performs better under low SNR than the standard RCB.
该方法在计算过程中,加入了矩阵平滑及将加权向量向信干子空间投影的步骤,提高了对相干信号的分辨能力以及低信噪比条件下信号功率的估计能力。
6) coherent sources
相干信源
1.
Unsymmetrical weighted spatial smoothing difference algorithm for DOA estimation of coherent sources;
相干信源DOA估计的非对称加权空间平滑差分算法
2.
A new algorithm is proposed for direction of arrival(DOA) estimation of coherent sources in the presence of colored noise,which is called spatial smoothing difference method.
针对色噪声背景下的相干信源波达方向估计问题,提出了一种空间平滑差分算法。
3.
A new algorithm is proposed for direction of arrival (DOA) estimation of coherent sources in the presence of colored noise fields,which is called “Spatial Difference Smoothing (SDS)” method.
文中提出了一种色噪声背景下相干信源波达方向(DOA)估计的新算法-空间差分平滑(SDS)算法。
补充资料：相干散射和非相干散射
再辐射的光量子频率和被吸收的光量子频率准确相等的散射过程称为相干散射。在相干散射的情况下，源函数准确地等于平均辐射强度。再辐射的光量子频率和被吸收的光量子频率不相等的散射过程称为非相干散射。在天体物理中，存在一系列因素使散射过程成为非相干散射。主要的因素是：原子的能级有一定的宽度、原子的热运动和湍动以及压力效应等。对于非相干散射，源函数是相当复杂的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条