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2012 (Vol. 4, Issue: 16)
Article Information:

Signal Processing Techniques Applied in RFI Mitigation of Radio Astronomy

Sixiu Wang, Zhengwen Sun, Weixia Wang and Liangquan Jia
Corresponding Author:  Sixiu Wang 

Key words:  Mitigation methods, radio astronomy, RFI, signal processing, , ,
Vol. 4 , (16): 2813-2817
Submitted Accepted Published
March 26, 2012 April 17, 2012 August 15, 2012
Abstract:

Radio broadcast and telecommunications are present at different power levels everywhere on Earth. Radio Frequency Interference (RFI) substantially limits the sensitivity of existing radio telescopes in several frequency bands and may prove to be an even greater obstacle for next generation of telescopes (or arrays) to overcome. A variety of RFI detection and mitigation techniques have been developed in recent years. This study describes various signal process methods of RFI mitigation in radio astronomy, choose the method of Time-frequency domain cancellation to eliminate certain interference and effectively improve the signal to noise ratio in pulsar observations. Finally, RFI mitigation researches and implements in China radio astronomy will be also presented.
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  Cite this Reference:
Sixiu Wang, Zhengwen Sun, Weixia Wang and Liangquan Jia, 2012. Signal Processing Techniques Applied in RFI Mitigation of Radio Astronomy.  Research Journal of Applied Sciences, Engineering and Technology, 4(16): 2813-2817.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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