1) phase shift signal generator
移相信号源
2) multi-function phase shift signal source
多用移相信号源
3) 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。
4) 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。
5) correlated signal
相关信号源
1.
The performance of DOA estimation for correlated signals by modified MUSIC algorithm;
修正MUSIC算法对相关信号源的DOA估计性能
6) phase locked source
锁相信号源
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