Radio-technology-based solar radio current quantity monitoring system and method

A radio technology, solar radio technology, applied in the field of solar radio flux monitoring system based on radio technology, can solve the problems of high development cost, long development cycle, inability to monitor and analyze specific frequency bands, etc., to improve the signal-to-noise ratio and sensitivity. Effect

Inactive Publication Date: 2018-11-13
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned traditional solar radio flux monitoring systems are mostly limited to fixed frequency bands and bandwidths, unable to monitor and analyze specific frequency bands, and have high development costs and long development cycles

Method used

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  • Radio-technology-based solar radio current quantity monitoring system and method
  • Radio-technology-based solar radio current quantity monitoring system and method
  • Radio-technology-based solar radio current quantity monitoring system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] In a typical implementation of the present application, such as figure 1 As shown, a radio technology-based solar radio flow monitoring system is provided, which includes an antenna, a radio board and a high-performance computer.

[0062] The antenna is configured to receive solar radio signals.

[0063] In this embodiment, the antenna is a parabolic antenna.

[0064] The radio board is configured to complete data collection and upload the data to the computer via USB3.0.

[0065] Specifically, the radio board converts the received solar radio signal into a baseband signal, converts the baseband signal into a digital signal, filters the data signal, and uploads the processed signal to the computer.

[0066] In this embodiment, the radio board adopts USRP B210. USRP B210 is produced by Ettus. It uses ADC9361 RF transceiver chip as the core general-purpose software radio platform and belongs to the USRP USB interface series.

[0067] The ADC9361 includes low noise amp...

Embodiment 2

[0094] In another typical implementation of the present application, such as image 3 Shown, provide a kind of solar radio current monitoring method based on radio technology, this method comprises the following steps:

[0095] Step 101: Acquire solar radio signals.

[0096] The antenna is used to receive solar radio signals, the data collection is completed through the radio board, and the data is uploaded to the computer through USB3.0. The radio board down-converts the received signal to a baseband signal for digitization, and then sends the signal to the ADC converter to generate a data stream. At the same time, the digital signal can be further conditioned by the FIR filter.

[0097] Step 102: Use a windowing function to truncate the solar radio signal.

[0098] The solar radio signal is truncated by window function to obtain several segments of signal.

[0099] Specifically, according to the characteristics of the solar radio signal and the simulation situation, the p...

Embodiment 3

[0131] Experiments are carried out on the solar radio current monitoring system based on radio technology proposed by the present invention.

[0132] In this embodiment, the high-frequency signal generator is used to simulate the signal source, the signal is collected through the radio board, and the signal is processed and displayed by the computer's spectrum analysis and display module, and the signal source and the output signals for comparison.

[0133] Such as Figure 4(a) , 4(b) , 4(c) and 4(d), use the high-frequency signal generator to generate the following four signals of 2755MHz, -40dBm; 2755MHz, -60dBm; 2782MHz, -40dBm; into a radio card based solar radio flux monitoring system. Compare the results of the spectrum analysis with the actual input signal. The results of the spectrum analysis are shown in 4(a), 4(b), 4(c) and 4(d). Through observation, it can be clearly observed and displayed on the spectrum diagram , and the displayed signal strength is the same a...

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Abstract

The invention discloses a radio-technology-based solar radio current quantity monitoring system and method. The system is composed of an antenna, a radio board and a computer. The antenna is configured to receive a solar radio signal and transmit the signal to the radio board; the radio board is configured to carry out frequency conversion on the received solar radio signal to obtain a baseband signal, convert the baseband signal into a digital signal, filter the digital signal, and upload the processed signal to the computer; and the computer is configured to carry out preprocessing and spectrum analysis on the received signal and display an analysis result by means of a spectrogram, a dynamic spectrogram or a radio current graph. Therefore, monitoring and displaying of the multi-band solar radio signals are realized; the development cost is low; and the application range is wide.

Description

technical field [0001] The invention relates to the field of solar radio current monitoring, in particular to a radio technology-based solar radio current monitoring system and method. Background technique [0002] Solar radio bursts are the phenomenon of atmospheric energy release during solar eruptions. Solar microwave bursts are characterized by a sharp increase in the intensity of solar radiation in the microwave band. Solar radio bursts in the microwave segment carry astrophysical information, and the 2.8GHz radio flux plays an important role in the research of coronal magnetic field diagnosis, high-energy electron acceleration mechanism and solar flare physics. In addition, the flux of solar radio radiation is closely related to the characteristics of high-energy particles and the properties of plasma. At the same time, the monitoring of the solar radio flux system plays an important role in the study of the long-term solar activity law, the solar radio forecast model...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R29/08
CPCG01R29/0857G01R29/0871G01R29/0892
Inventor 杜清府赵曰昶李加伦陈昌硕李昕陈耀
Owner SHANDONG UNIV
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