Analysis of RF Interference Characteristics of Broadcasting Satellite TV Receivers to SMAP Satellite L-Band Microwave Radiometer

Xinxin WANG; Xiang WANG; Jianchao FAN; Lin WANG; Qinghui MENG; Enbo WEI

doi:10.11999/JEIT200593

Volume 43 Issue 8

Aug. 2021

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Article Navigation > Journal of Electronics & Information Technology > 2021 > 43(8): 2292-2299

Xinxin WANG, Xiang WANG, Jianchao FAN, Lin WANG, Qinghui MENG, Enbo WEI. Analysis of RF Interference Characteristics of Broadcasting Satellite TV Receivers to SMAP Satellite L-Band Microwave Radiometer[J]. Journal of Electronics & Information Technology, 2021, 43(8): 2292-2299. doi: 10.11999/JEIT200593

Citation:

Xinxin WANG, Xiang WANG, Jianchao FAN, Lin WANG, Qinghui MENG, Enbo WEI. Analysis of RF Interference Characteristics of Broadcasting Satellite TV Receivers to SMAP Satellite L-Band Microwave Radiometer[J]. Journal of Electronics & Information Technology, 2021, 43(8): 2292-2299. doi: 10.11999/JEIT200593

Citation:

Xinxin WANG, Xiang WANG, Jianchao FAN, Lin WANG, Qinghui MENG, Enbo WEI. Analysis of RF Interference Characteristics of Broadcasting Satellite TV Receivers to SMAP Satellite L-Band Microwave Radiometer[J]. Journal of Electronics & Information Technology, 2021, 43(8): 2292-2299. doi: 10.11999/JEIT200593

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Analysis of RF Interference Characteristics of Broadcasting Satellite TV Receivers to SMAP Satellite L-Band Microwave Radiometer

doi: 10.11999/JEIT200593 cstr: 32379.14.JEIT200593

Xinxin WANG^{1, 2, 3, 4},
Xiang WANG²,
Jianchao FAN²,
Lin WANG²,
Qinghui MENG²,
Enbo WEI^{1, 3
,
,}

1.
Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
2.
National Marine Environmental Monitoring Center, Dalian 116023, China
3.
Key Laboratory of Ocean Circulation and Waves, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
4.
University of Chinese Academy of Sciences, Beijing 100049, China

Funds: The National Natural Science Foundation of China (41806212), The National Key R&D Program of China (2016YFC1401000)

Received Date: 2020-07-20
Rev Recd Date: 2021-03-23

Available Online: 2021-04-08

Publish Date: 2021-08-10

Abstract

Abstract

Based on the fusion of SMAP satellite L-band cross-polarized brightness temperature, a multi-iteration clustering Radio Frequency Interference (RFI) detection and recognition algorithm based on its spatial distribution of density and intensity is established, and the spatial and temporal distribution and variation characteristics of the density and cumulative intensity of typical Japanese RFI sources (broadcast satellite TV receivers) are analyzed and extracted. As a typical RFI source, TV receivers are mainly distributed in areas with relatively large urbanization level and range (stripes or planes), with dotted RFI sources (possibly microwave radiation base stations) distributed in local areas, resulting in local areas with high RFI levels. In other areas where the urbanization level and scope are relatively small, the dot-round RFI sources are also detected, but the interference intensity and range are relatively limited. Beginning in 2018, the overall RFI distribution range and intensity level showed a downward trend. This work is of great significance to the establishment of RFI detection, identification and suppression models in China.
- SMAP satellite,
- L-band RFI,
- Broadcast satellite TV receivers,
- Analysis of space-time characteristics

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References(29)

References

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