Intelligent solar flare data observation method

A solar flare and data technology, applied in exposure control, television, optics, etc., can solve problems such as low temporal resolution, missed flare eruption time, and inability to see key information of the flare core area, and achieve high temporal and spatial resolution Effect

Inactive Publication Date: 2010-10-27
NAT ASTRONOMICAL OBSERVATORIES CHINESE ACAD OF SCI
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Problems solved by technology

[0005] However, the above-mentioned manual acquisition mode has the following defects and shortcomings: First, due to the slow speed of manual image acquisition, the time resolution of the obtained data is relatively low ; Second, the manual judgment is inaccurate, which...

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  • Intelligent solar flare data observation method
  • Intelligent solar flare data observation method
  • Intelligent solar flare data observation method

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Embodiment Construction

[0025] The method of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments of the present invention.

[0026] figure 1 It is a schematic diagram of the brightness and area change curve of a small-scale solar flare eruption process, such as figure 1 As shown, typical optical flare observation characteristics can be displayed through this change curve. The ordinate in the figure represents the size of the flare area (unit: number of pixels), and the abscissa represents time (unit: second).

[0027] Through the statistical analysis of the typical characteristics of flares, combined with the grading standards of optical flares, the following method of near-saturated area threshold method for automatic identification of flare bursts is proposed:

[0028] Taking a charge coupled device (CCD, Charge Coupled Device) with a target surface of 2K×2K as an example, when the number of saturated pixels exceeds one perc...

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Abstract

The invention discloses an intelligent solar flare data observation method, which comprises: starting a solar flare data observation system to acquire solar image data in time and store the solar image data in a memory; and judging if a solar flare outbursts, and if a solar flare outbursts, automatically regulating a preset exposure time and regulating a data acquisition mode at the same time to acquire solar flare data and then storing the flare data or solar image data collected by the solar flare observation system into a hard disk. When the observation method is used, the flare event outburst can be monitored automatically and an alarming information can be given automatically; and in addition, as the method of the invention can be used in the conventional solar flare observation system, the automatic control over the exposure time and acquisition speed is realized, and the acquired flare data have higher time and space resolution.

Description

technical field [0001] The invention relates to a solar physics research technology in the field of astronomical observation, in particular to an intelligent solar flare data observation method. Background technique [0002] Solar flares, dark streak eruptions, and coronal mass ejections (CMEs) are three types of violent activity phenomena on the solar surface. The study of them can not only help solar physicists better understand solar physics, but also provide insights into space weather, which is closely related to the national economy and people's livelihood. Forecasting is important. Solar flare is a kind of violent activity phenomenon observed at the solar chromosphere level (Hα band), and its observation characteristics generally have two stages: flash phase / burst phase and continuous phase. Among them, the period of rapid increase in the brightness of solar flares is called the flash phase, and the period of rapid increase in the area of ​​the flare is called the ou...

Claims

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Application Information

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IPC IPC(8): G03B7/00H04N5/225
Inventor 林佳本邓元勇胡柯良郭娟
Owner NAT ASTRONOMICAL OBSERVATORIES CHINESE ACAD OF SCI
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