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首页> 外文期刊>IEEE Transactions on Geoscience and Remote Sensing >Development of an On-Board Wide-Band Processor for Radio Frequency Interference Detection and Filtering
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Development of an On-Board Wide-Band Processor for Radio Frequency Interference Detection and Filtering

机译：用于射频干扰检测和滤波的车载宽带处理器的开发

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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.
机译：在过去的十年中，用于商业和工业用途的微波频谱需求迅速增长，这给无源微波遥感有限的频谱资源带来了压力。预计在未来几年中，来自人为来源的射频干扰将变得更加严重。在1.4 GHz下，SMAP任务已为其微波辐射计实施并演示了先进的干扰检测算法。由于使用的辐射计带宽更大，并且在地面处理中可用于实施RFI滤波算法的下行链路数据量有限，因此该方案在更高的微波频率（6 GHz以上）下将不可行。在本文中，我们介绍了可在1 GHz辐射计带宽下运行的高级板载干扰检测和RFI滤波数字后端的设计，开发和测试。我们描述了在数字后端固件中实现的组合RFI检测算法以及对受干扰数据的板载RFI过滤，这对于限制未来高频微波任务的下行链路速率要求将是必不可少的。

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    Misra Sidharth; Kocz Jonathon; Jarnot Robert; Brown Shannon T.; Bendig Rudi; Felten Carl; Johnson Joel T.;

  • 作者单位

    CALTECH, Jet Prop Lab, Instrument Elect & Software Sect, 4800 Oak Grove Dr, Pasadena, CA 91109 USA|CALTECH, Dept Astron, Pasadena, CA 91125 USA|Ohio State Univ, Dept Elect & Comp Engn, Columbus, OH 43210 USA;

    CALTECH, Jet Prop Lab, Instrument Elect & Software Sect, 4800 Oak Grove Dr, Pasadena, CA 91109 USA|CALTECH, Dept Astron, Pasadena, CA 91125 USA|Ohio State Univ, Dept Elect & Comp Engn, Columbus, OH 43210 USA;

    CALTECH, Jet Prop Lab, Instrument Elect & Software Sect, 4800 Oak Grove Dr, Pasadena, CA 91109 USA|CALTECH, Dept Astron, Pasadena, CA 91125 USA|Ohio State Univ, Dept Elect & Comp Engn, Columbus, OH 43210 USA;

    CALTECH, Jet Prop Lab, Instrument Elect & Software Sect, 4800 Oak Grove Dr, Pasadena, CA 91109 USA|CALTECH, Dept Astron, Pasadena, CA 91125 USA|Ohio State Univ, Dept Elect & Comp Engn, Columbus, OH 43210 USA;

    CALTECH, Jet Prop Lab, Instrument Elect & Software Sect, 4800 Oak Grove Dr, Pasadena, CA 91109 USA|CALTECH, Dept Astron, Pasadena, CA 91125 USA|Ohio State Univ, Dept Elect & Comp Engn, Columbus, OH 43210 USA;

    CALTECH, Jet Prop Lab, Instrument Elect & Software Sect, 4800 Oak Grove Dr, Pasadena, CA 91109 USA|CALTECH, Dept Astron, Pasadena, CA 91125 USA|Ohio State Univ, Dept Elect & Comp Engn, Columbus, OH 43210 USA;

    CALTECH, Jet Prop Lab, Instrument Elect & Software Sect, 4800 Oak Grove Dr, Pasadena, CA 91109 USA|CALTECH, Dept Astron, Pasadena, CA 91125 USA|Ohio State Univ, Dept Elect & Comp Engn, Columbus, OH 43210 USA;

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  • 正文语种 eng
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  • 关键词

    Interference; kurtosis; microwave radiometry; RFI;

    机译：干扰;Kurtosis;微波辐射测定;RFI;

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