Intelligent observation method of coronal mass ejection events

A material and corona technology, applied in instrumentation, climate sustainability, ICT adaptation, etc., can solve the problems of inability to observe the evolution details of eruptive activities, overflow of CCD data, untimely adjustment, etc., to reduce the amount of calculation and the speed of data. Faster and more accurate

Inactive Publication Date: 2015-09-02
NAT ASTRONOMICAL OBSERVATORIES CHINESE ACAD OF SCI
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Problems solved by technology

[0009] However, it is difficult to predict the moment when a CME event will occur. If the operator only relies on the operator's experience to determine whether it will erupt or not and manually adjusts various parameters, the CCD data will often overflow due to the untimely adjustment, and there is no way to observe the eruption. Details of the evolution of

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  • Intelligent observation method of coronal mass ejection events

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[0034] Such as figure 1 It is a flow chart of the intelligentized CME event observation method of the present invention, such as figure 1 As shown, the method includes the following steps:

[0035] Step 110: Turn on the CME observation system, collect image data according to the parameters of the observation system, such as CCD data, and store them in the memory.

[0036] The parameters here can be preset or changed according to the result of whether a CME event occurs, and the acquisition speed, CCD exposure time, image brightness, etc. can be adjusted to obtain image data from the CME observation system in real time. For example, the speed of image acquisition can be preset at 2~3 seconds / frame, directly from the coronal mass ejection observation system to ensure the real-time nature of the data source.

[0037] Step 120: Acquire the difference image, and judge whether there is a CME event, if there is a CME event, execute step 130; if no CME event occurs, execute step 150...

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Abstract

The invention discloses a method for intelligently observing a coronal mass ejection event. The method comprises the steps of starting a coronal mass ejection observation system, collecting and obtaining image data in a real-time mode according to parameters of the observation system, and storing the image data in an internal storage; obtaining a difference image, judging whether the coronal mass ejection event happens or not, and if the coronal mass ejection event happens, giving an alarm and adjusting the observation parameters and an observation mode of the image; judging whether a halo-shaped coronal mass ejection event happens or not again, and if the halo-shaped coronal mass ejection event happens, giving the alarm again; storing the collected image data into a hard disk. According to the application of the method for intelligently observing the coronal mass ejection event, happening of the coronal mass ejection event and happening of the halo-shaped coronal mass ejection event can be automatically distinguished, the collected parameters can be automatically adjusted, data obtaining is high in speed, and the accuracy rate is improved.

Description

technical field [0001] The invention relates to a coronal activity research technology in the field of astronomical observation, in particular to an intelligent observation method for coronal mass ejection events. Background technique [0002] The phenomenon of coronal activity is closely related to space weather forecasting, and the research on its automatic identification and warning methods has important application value. The phenomenon of coronal activity is mainly aimed at coronal mass ejection (CME, coronal mass ejection), which is a frequent eruption phenomenon in the solar atmosphere, which is characterized by obvious changes in the coronal structure within a time scale of minutes to hours accompanied by observable ejections of matter. [0003] In the early 1970s, the coronagraph on the OSO-7 satellite confirmed the transient ejection of solar atmospheric materials for the first time, and then the coronagraph on satellites and spacecrafts such as sky1ab, P78-1, SMM...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01W1/00
CPCY02A90/10
Inventor 林佳本郭娟邓元勇朱晓明曾真
Owner NAT ASTRONOMICAL OBSERVATORIES CHINESE ACAD OF SCI
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