Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

High-resolution solar radio data processing system and method for adaptive burst judgment

A solar radio, high-resolution technology, applied in the field of solar radio data processing, can solve the problems of radio frequency interference, lack of solutions, inability to effectively determine the non-burst data storage capacity of outbreak events, etc., so as to reduce the amount of data and reduce the time resolution. , the effect of reducing the amount of storage

Active Publication Date: 2018-12-21
SHANDONG UNIV
View PDF6 Cites 15 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The system seems to perform well, however, the station was originally built for monitoring Jupiter radio signals, not specifically for solar radio observations; the local (Fukushima area) radio frequency interference is serious, which can be seen from the observation data of the system It can be clearly seen; probably to avoid these interferences, the minimum observable frequency of the system is 150MHz, and some areas with the highest frequency of Type II storm events cannot be observed (e.g., Cane&Erickson, 2005; Subramanian&Ebenezer, 2006), so it cannot be complete Record many outbreaks
[0005] To sum up, in the prior art, there is still a lack of an effective solution to the problems of not being able to fully record many outbreak events, effectively judging outbreak events and reducing the amount of non-burst data storage

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • High-resolution solar radio data processing system and method for adaptive burst judgment
  • High-resolution solar radio data processing system and method for adaptive burst judgment
  • High-resolution solar radio data processing system and method for adaptive burst judgment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] In a typical implementation of the present application, such as figure 1 As shown, a high-resolution solar radio data processing system for adaptive burst judgment is provided. The system includes a parabolic antenna, a computer, a high-speed data acquisition card and a frequency conversion card; the high-speed data acquisition card and the frequency conversion card adopt a PCIe card structure. The above-mentioned high-speed data acquisition card is composed of FMC daughter card and FMC master card. The FMC daughter card is equipped with chips such as ADC, clock chip and balun, and is responsible for high-speed data acquisition; the FMC master card is equipped with chips such as FPGA, DDR, and PROM, and is responsible for high-speed signal processing. ; The main modules implemented inside the FPGA are: FIFO module, FFT module, FIR filter, mixer (multiplier), NCO module, PCIe module, MIG module, etc.

[0074] The parabolic antenna is configured to receive 150-500MHz sola...

Embodiment 2

[0089] Another typical implementation of the present application, such as image 3 As shown, a high-resolution solar radio data processing method for adaptive burst judgment is provided.

[0090] (1) Analyze the interference factors of solar radio flux.

[0091] In order to effectively reduce the amount of data storage, it is necessary to judge whether the data contains solar eruption events. When the sun erupts, the solar radio current will increase obviously, and it will become flat when the sun is quiet. Therefore, the solar radio current parameters can be used to judge the solar eruption event. Due to the existence of a large number of interferences in space, such as radio signals, noise interference, etc., these interferences will cause pulse interference and periodic interference in the data, which will affect the change of the magnitude of the solar radio current, which will affect the accuracy of the solar eruption judgment. The solar radio current is also fluctuating,...

Embodiment 3

[0121] A specific application example is listed below.

[0122] After testing, the system started trial operation at the Chashan Observatory. In order to compare the data with the original interval quantitative sampling scheme, after the antenna signal is amplified and filtered, the power divider is respectively connected to two systems for simultaneous acquisition and reception. Figure 7 is the solar radio dynamic spectrum observed by the new observation system on September 26, 2017. The framed part in Figure 7(a) is the identified outburst event. The data in this area is at a resolution of 1 ms, and the resolution of other surrounding areas is at a resolution of 100 ms. , in order to further analyze the event, high time resolution analysis can be carried out within the frame line. In order to use high time resolution to analyze the solar radio changes before and after the eruption event, the system has been improved, and the time before and after the high time resolution can...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a high-resolution solar radio data processing system and a method for adaptive burst judgment. The system comprises a paraboloid antenna, a high-speed ADC collector, an FPGA and a computer. A paraboloid antenna for receiving a solar radio signal and outputting two antenna signals to a high-speed ADC collector; The high-speed ADC collector converts the signal into high-speeddigital signal and transmits it to FPGA. FPGA intercept and segments that high-speed digital signal, FFT operation is carry out on each segment respectively, and digital polarization synthesis is carried out in frequency domain to obtain circularly polarize left-hand and right-hand solar radio signals, and that power of the solar radio signals is calculate, and the power of the solar radio signals is integrated according to the time resolution, and the solar radio spectrum signals are obtained and uploaded to a computer; The computer performs adaptive burst judgment and processing on the solar radio spectrum signals, and stores the data containing solar burst events in high resolution.

Description

technical field [0001] The invention relates to the field of solar radio data processing, in particular to a high-resolution solar radio data processing system and method for adaptive burst judgment. Background technique [0002] Solar radio data with high time resolution and high frequency resolution is conducive to fine and accurate measurement of solar radio burst-driven shock wave, high-energy electron energy, shock wave and electron arrival time, and can also better support solar physics research and space weather. Monitoring provides more reliable data. Therefore, the time and frequency resolution is an important indicator of the solar radio observation system, and is an important indicator pursued by various solar radio observation stations in the world. For example, Wang Shujuan of the Chinese Academy of Sciences added a new ultra-high resolution observation mode to the Huairou Radio Spectrum Instrument of the National Astronomical Observatory. Structural events, f...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 杜清府陈昌硕李昕程仁君张巧曼陈耀
Owner SHANDONG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com