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Effect of TDI Channels with Anomalous Noise on the Probability of Detection of Small-Size Objects by FPAs

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Abstract

The effect of anomalous (with respect to noise power spectral density) TDI channels on the probability of detection of small objects by FPAs is considered. A series of FPA output images simulating the signals of TDI channels with four main types of noise PSDs is generated, the probability of detection of a small object is calculated, and the efficiency of various combinations of linear filters used in intraframe processing is evaluated. It is found that TDI channels with low-frequency noise most significantly affect the probability of detection of a small object, and the successive application of an adaptive recursive filter and a window filter that is quasi-matched with the signal leads to an increase in the probability by 22% even in the presence of 6% anomalous TDI channels in the FPA.

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Funding

This work was supported by ongoing institutional funding. No additional grants to carry out or direct this particular research were obtained.

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Authors and Affiliations

  1. Orion R&P Association, JSC, 111538, Moscow, Russia

    V. V. Abilov & V. A. Streltsov

  2. Moscow Institute of Physics and Technology, 141701, Dolgoprudny, Moscow oblast, Russia

    V. A. Streltsov

Authors
  1. V. V. Abilov
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  2. V. A. Streltsov
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Correspondence to V. A. Streltsov.

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Translated by A. Chikishev

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Abilov, V.V., Streltsov, V.A. Effect of TDI Channels with Anomalous Noise on the Probability of Detection of Small-Size Objects by FPAs. J. Commun. Technol. Electron. 68 (Suppl 2), S122–S127 (2023). https://doi.org/10.1134/S1064226923140012

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  • DOI: https://doi.org/10.1134/S1064226923140012

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