开发用于获取单星 SCIDAR 数据的 MATLAB 图形用户界面

IF 1.9 4区物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS

Astronomy and Computing Pub Date : 2024-09-10 DOI:10.1016/j.ascom.2024.100878

Y. Errazzouki , A. Habib , A. Jabiri , M. Sabil , Z. Benkhaldoun

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引用次数: 0

摘要

为了提高运行效率并满足实验需求，我们利用 MATLAB 开发了一个图形用户界面（GUI），用于获取单星 SCIDAR 数据，并充分利用了该软件的集成图形用户界面开发环境（GUIDE）工具。该界面简化了大气斑点功率谱的预处理和数值计算，同时提供大气参数的实时图形表示，包括折射率结构函数 Cn2(h)的垂直剖面。它还纳入了与自适应光学和高角度分辨率有关的参数，如可见度，从而能够对观测条件进行即时和即时的视觉评估。此外，该图形用户界面的新颖之处还在于易于获取和处理各种大气参数数据。单星闪烁探测和测距（SCIDAR）方法依靠分析来自单个恒星的闪烁光来评估大气的湍流特性。这种评估基于 Cn2(h) 所提供的描述，Cn2(h) 是通过最小化利用单星大气斑点功率谱确定的目标函数而得出的。为此，使用了一种称为主动集的最小化算法。

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Developing MATLAB graphical user interface for acquiring single star SCIDAR data

To enhance operational efficiency and meet experimental demands, we have developed a graphical user interface (GUI) using MATLAB for Acquiring Single Star SCIDAR Data, leveraging the software’s integrated GUI Development Environment (GUIDE) tool. This interface streamlines the preprocessing and numerical computation of the power spectrum of atmospheric speckles while providing real-time graphical representations of atmospheric parameters, including the vertical profile of the refractive index structure function $C_{n}^{2} (h)$ . It also incorporates parameters related to adaptive optics and high angular resolution, such as seeing, enabling immediate and instantaneous visual assessment of observational conditions. Furthermore, the novelty of this GUI lies in the ease of acquiring and processing data from various atmospheric parameters. The Single Star SCIDAR (Scintillation Detection and Ranging) method relies on analyzing the scintillation of light from single stars to assess the turbulent characteristics of the atmosphere. This assessment is based on the description provided by $C_{n}^{2} (h)$ derived from minimizing an objective function determined using the power spectrum of atmospheric speckles from single stars. For this purpose, a minimization algorithm called active-set is used.

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来源期刊

Astronomy and Computing ASTRONOMY & ASTROPHYSICSCOMPUTER SCIENCE,-COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS

CiteScore

4.10

自引率

8.00%

发文量

期刊介绍： Astronomy and Computing is a peer-reviewed journal that focuses on the broad area between astronomy, computer science and information technology. The journal aims to publish the work of scientists and (software) engineers in all aspects of astronomical computing, including the collection, analysis, reduction, visualisation, preservation and dissemination of data, and the development of astronomical software and simulations. The journal covers applications for academic computer science techniques to astronomy, as well as novel applications of information technologies within astronomy.