无线电天线布局问题的最小方差法
A Minimum Variance Method for Problems in Radio Antenna Placement
摘要：
孔径合成射电望远镜从几个射电天线获得的数据生成天体图像。这些天线的放置一直是一个有趣的问题的来源。通常，几个潜在的矛盾目标，如良好的图像质量和低基础设施成本必须同时满足。在本文中，我们提出了一种通用的最小方差方法，重点是在存在限制情况的情况下获得良好的图像。我们在三种不同的情况下，它的多功能性和善良：（a）放置在地面上的天线，以获得一个目标的高斯紫外线分布（b）交错的情况下，交错的预算和（c）只要可用，使用天线的移动性，以获得高度的容错望远镜的建设。
英文摘要：
Aperture synthesis radio telescopes generate images of celestial bodies from data obtained from several radio antennas. Placement of these antennas has always been a source of interesting problems. Often, several potentially contradictory objectives like good image quality and low infra-structural cost have to be satisfied simultaneously. In this paper, we propose a general Minimum Variance Method that focuses on obtaining good images in the presence of limiting situations. We show its versatility and goodness in three different situations: (a) Placing the antennas on the ground to get a target Gaussian UV distribution (b) Staggering the construction of a telescope in the event of staggered budgets and (c) Whenever available, using the mobility of antennas to obtain a high degree of fault tolerance.
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