应用于太阳大气的振动自动探测的基于网络的数据处理系统
Web-Based Data Processing System for Automated Detection of Oscillations with Applications to the Solar Atmosphere
摘要：
一种用于远程处理成像数据集（即，EUV、X射线和微波）和太阳大气中波动和振荡现象的自动交互式探测，该系统的目标是局部的，但空间分辨的现象，如扭结，香肠，纵向传播和驻波。该系统实现了用于预分析的周期映射方法和用于成像数据立方体的详细分析的像素化小波滤波方法。该系统是在专用的数据处理服务器http://pwf.iszf.irk.ru上实现的，该服务器位于俄罗斯伊尔库茨克的日地物理研究所。.sav、.fits或.txt格式的输入数据可以通过本地和/或全球网络（互联网）提交。根据用户的要求，输出数据可以是png，jpeg和二进制格式。输出数据是周期图;在重要谐波和所选频谱间隔中的波源的窄带振幅、功率、相位和相关图，以及它们演变的MPEG电影。该系统进行了测试，通过分析整个EUV和微波辐射的活动区NOAA 10756在2005年5月4日与TRACE和Nobeyama射电日像仪观察。在过渡区和日冕中，由位场外推法确定的局部开放磁场线的足点附近，三分钟传播波的空间定位的相似性被建立。在过渡区的三分钟振幅的增长被认为是伴随着视线的角度波传播方向的减少。
英文摘要：
A web-based, interactive system for the remote processing of imaging data sets (i.e., EUV, X-ray and microwave) and the automated interactive detection of wave and oscillatory phenomena in the solar atmosphere is presented.The system targets localised, but spatially resolved, phenomena, such as kink, sausage, and longitudinal propagating and standing waves. The system implements the methods of Periodmapping for pre-analysis, and Pixelised Wavelet Filtering for detailed analysis of the imaging data cubes. The system is implemented on the dedicated data processing server http://pwf.iszf.irk.ru, which is situated at the Institute of Solar-Terrestrial Physics, Irkutsk, Russia. The input data in the .sav, .fits or .txt formats can be submitted via the local and/or global network (the Internet). The output data can be in the png, jpeg and binary formats, on the user's request. The output data are periodmaps; narrowband amplitude, power, phase and correlation maps of the wave's sources at significant harmonics and in the chosen spectral intervals, and mpeg-movies of their evolution. The system was tested by the analysis throughout the EUV and microwave emission from the active region NOAA 10756 on 4 May 2005 observed with TRACE and the Nobeyama Radioheliograph. The similarity of the spatial localisation of three-minute propagating waves, near the footpoint of locally open magnetic field lines determined by the potential field extrapolation, in both the transition region and the corona was established. In the transition region the growth of the three-minute amplitude was found to be accompanied by the decrease in the line of sight angle to the wave propagation direction.
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