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- W4328131287 abstract "With the rapid development of optoelectronic weapons, smoke screen as an important means of optoelectronic confrontation is receiving more and more attention. The test and evaluation of the effect of anti-infrared smoke screen interference is the basis for the development of anti-infrared smoke. Aiming at the problem of incomplete evaluation of the infrared interference effect of smoke in the indoor smoke box experiment, this paper introduced the parameters commonly used to evaluate the attenuation and suspension performances of smoke: Transmittance (π), Total Obscuring Power (πππ), Mass Extinction Coefficient (πΌπ), Mass-based Composition Figure of Merit (πΉππ), suspension time, deposition velocity, movement velocity with wind. The movement of smoke particles in the smoke box experiment including sedimentation, diffusion and coagulation was analyzed. The principle and method of using infrared thermal imager to test the interference performance of anti-infrared smoke in smoke box experiment were introduced. Based on the Lambert-Beer law which finds that the change process of βlnπ with time is approximately a straight line, so the intercept and slope of the fitted straight line of βlnπ varies with time are proposed as parameters to evaluate the attenuation performance and suspension performance of the smoke screen. The attenuation performance and suspension performance of nine kinds of smoke screens were evaluated using this evaluation method, and the results showed that this method can be used to quantitatively evaluate the attenuation performance and suspension performance of smoke screen in smoke box experiments." @default.
- W4328131287 created "2023-03-22" @default.
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- W4328131287 date "2023-03-21" @default.
- W4328131287 modified "2023-10-16" @default.
- W4328131287 title "Research on evaluation method of anti-infrared smoke screen interference performance" @default.
- W4328131287 doi "https://doi.org/10.1117/12.2667063" @default.
- W4328131287 hasPublicationYear "2023" @default.
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