1) ULA(uniform linear array)
均匀直线天线阵
2) uniform linear array of antennas
均匀直线阵列天线
1.
In this paper, the main valve width and directive gain for uniform linear array of antennas in phased scanning are estimated.
本文对均匀直线阵列天线在相控扫描过程中的主瓣宽度和方向性系数进行了估算。
3) uniformly-spaced linear array
均匀直线阵
1.
A novel method of the interference suppression for a uniformly-spaced linear array;
一种均匀直线阵列干扰抑制的新方法
4) uniform linear array
均匀直线阵
1.
Based on uniform linear array and fourth order cumulant, a novel blind algorithm for spatial signature estimation was presented.
以均匀直线阵和四阶累积量为基础,提出了一种新的空间特征盲估计算法。
2.
By discussing delayand-sum algorithm,Capon algorithm and multiple signal classification algorithm of DOA estimation,uniform linear array is established to carry out simulations for this three algorithms,and the simulation results prove that the mutciple signal classification algorithm have high peaks and resolution.
波达方向(DOA)估计是自适应阵列天线系统中的一个关键技术之一,通过对波达方向估计算法中的延迟-相加算法、Capon最小方差算法和多重信号分类算法分别进行讨论,并建立均匀直线阵对这3种算法分别进行仿真,仿真结果证明多重信号分类算法相对于前两种算法有最尖锐的谱峰和最高的分辨率。
3.
Based on uniform linear array,a blind estimating algorithm for spatial signature of uplink signals was presented.
以均匀直线阵为基础,提出了一种全盲的上行信号空间特征估计算法。
5) uniform circular arrays
均匀圆阵列天线
1.
The research work of this dissertation is to study the systematic performance of uniform circular arrays according to the requirement of the project.
近年来,均匀圆阵列天线以其优越的系统性能在通信、雷达探测、导航制导等许多领域得到了广泛的应用。
6) uniform linear array
均匀线阵
1.
Improved active array calibration algorithm for mutual coupling and amplitude-phase error of uniform linear array
均匀线阵互耦和幅相误差有源校正改进算法
2.
Based on the theory of array signal processing, a method is proposed to estimate bearings of multiple coherent mechanical noise sources with the singular value decomposition(SVD) of a data matrix and orthogonality of spectrum using a uniform linear array.
提出利用均匀线阵接收的数据构造一种矩阵进行奇异值（ＳＶＤ）分解，以实现对相干噪声源的方位估计。
3.
A separable approach based on the SVD of a data matrix is proposed to estimate frequencies and bearings of noise sources by a uniform linear array.
本文提出利用均匀线阵接收的数据构造一种矩阵进行奇异值分解，以对频率、方位两参数进行分离估计，用频率谱估计出声源频率，用方位谱估计出声源方位角。
补充资料：甚大天线阵
| 甚大天线阵 Very-Large Array 世界上最大的综合孔径射电望远镜。简称甚大阵，常用VLA表示。1981年建成于美国新墨西哥州圣阿古斯丁平原，属美国国立射电天文台。它由27面直径25米的抛物面天线组成，Y型排列，每臂长21千米。有3种组合模式，最长基线为36千米。可在6个波段工作，并可作圆偏振（左旋和右旋）和线偏振测量。在厘米波段，最高空间分辨率达角秒量级，与地面光学望远镜的分辨率相当；灵敏度比世界上其他射电望远镜高一个量级；成像时间8～10小时。根据观测要求，可分别作连续谱、射电谱线和甚长基线干涉测量的观测研究工作。 |
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参考词条