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ISEE_Wave: interactive plasma wave analysis tool
Earth, Planets and Space ( IF 3.362 ) Pub Date : 2021-05-20 , DOI: 10.1186/s40623-021-01430-3
Shoya Matsuda , Yoshizumi Miyoshi , Satoko Nakamura , Masahiro Kitahara , Masafumi Shoji , Tomoaki Hori , Shun Imajo , Chae-Woo Jun , Satoshi Kurita , Yoshiya Kasahara , Ayako Matsuoka , Iku Shinohara

We have developed ISEE_Wave (Institute for Space-Earth Environmental Research, Nagoya University - Plasma Wave Analysis Tool), an interactive plasma wave analysis tool for electric and magnetic field waveforms observed by the plasma wave experiment aboard the Arase satellite. ISEE_Wave provides an integrated wave analysis environment on a graphical user interface, where users can visualize advanced wave properties, such as the electric and magnetic field wave power spectra, wave normal polar angle, polarization ellipse, planarity of polarization, and Poynting vector angle. Users can simply select a time interval for their analysis, and ISEE_Wave automatically downloads the waveform data, ambient magnetic field data, and spacecraft attitude data from the data archive repository of the ERG Science Center, and then performs necessary coordinate transformation and spectral matrix calculation. The singular value decomposition technique is used as the core technique for the wave property analysis of ISEE_Wave. On-demand analysis is possible by specifying the parameters of the wave property analysis as well as the plot styles using the graphical user interface of ISEE_Wave. The results can be saved as image files of plots and/or a tplot save file. ISEE_Wave aids in the identification of fine structures of observed plasma waves, wave mode identification, and wave propagation analysis. These properties can be used to understand plasma wave generation, propagation, and wave-particle interaction in the inner magnetosphere. ISEE_Wave can also be applied to general waveform data observed by other spacecraft by using the plug-in procedures to load the data.



中文翻译:

ISEE_Wave:交互式等离子体波分析工具

我们已经开发了ISEE_Wave(名古屋大学空间地球环境研究所-等离子体波分析工具),这是一种交互式等离子体波分析工具,用于通过Arase卫星上的等离子体波实验观察到的电场和磁场波形。ISEE_Wave在图形用户界面上提供了集成的波分析环境,用户可以在其中可视化高级波属性,例如电场和磁场波功率谱,波法向极角,极化椭圆,极化平面度和Poynting矢量角。用户只需选择一个时间间隔进行分析,ISEE_Wave就会自动从ERG科学中心的数据档案库中下载波形数据,环境磁场数据和航天器姿态数据,然后执行必要的坐标变换和光谱矩阵计算。奇异值分解技术被用作ISEE_Wave波浪特性分析的核心技术。通过使用ISEE_Wave的图形用户界面指定波浪特性分析的参数以及绘图样式,可以进行按需分析。结果可以保存为绘图的图像文件和/或tplot保存文件。ISEE_Wave有助于识别观察到的等离子体波的精细结构,识别波模式和传播分析。这些特性可用于了解内部磁层中的等离子体波的产生,传播和波粒相互作用。通过使用插件程序加载数据,ISEE_Wave还可以应用于其他航天器观测到的常规波形数据。

更新日期:2021-05-20
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