Development of an On-Board Wide-Band Processor for Radio Frequency Interference Detection and Filtering

被引：15

作者：

Misra, Sidharth ^{[1
,2
,3
]}

Kocz, Jonathon ^{[1
,2
,3
]}

Jarnot, Robert ^{[1
,2
,3
]}

Brown, Shannon T. ^{[1
,2
,3
]}

Bendig, Rudi ^{[1
,2
,3
]}

Felten, Carl ^{[1
,2
,3
]}

Johnson, Joel T. ^{[1
,2
,3
]}

机构：

[1] CALTECH, Jet Prop Lab, Instrument Elect & Software Sect, 4800 Oak Grove Dr, Pasadena, CA 91109 USA

[2] CALTECH, Dept Astron, Pasadena, CA 91125 USA

[3] Ohio State Univ, Dept Elect & Comp Engn, Columbus, OH 43210 USA

来源：

IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING | 2019年 / 57卷 / 06期

基金：

美国国家航空航天局;

关键词：

Interference; kurtosis; microwave radiometry; RFI; RADIOFREQUENCY INTERFERENCE; DETECTION ALGORITHM; RFI DETECTION; MICROWAVE; MITIGATION; PERFORMANCE; KURTOSIS; LAND;

D O I：

10.1109/TGRS.2018.2882306

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

The demand for microwave spectrum for commercial and industrial use has been increasing rapidly over the last decade, putting stress on the limited spectral resources for passive microwave remote sensing. Radio frequency interference from man-made sources is expected to become worse over the coming years. At 1.4 GHz, the SMAP mission has implemented and demonstrated advanced interference detection algorithms for its microwave radiometer. This scheme will not be feasible at higher microwave frequencies (above 6 GHz) due to much larger radiometer bandwidths used and the limited downlink data volume available to implement RFI filtering algorithms in the ground processing. In this paper, we present the design, development, and test of an advanced on-board interference detection and RFI filtering digital back-end that is capable of operation for a 1 GHz-radiometer bandwidth. We describe the combined RFI detection algorithms implemented in the digital backend's firmware and the on-board RFI filtering of interference-corrupted data that will be necessary to limit downlink rate requirements for future high-frequency microwave missions.

引用

页码：3191 / 3203

页数：13

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