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首页> 外文期刊>Geoscience and Remote Sensing Letters, IEEE >A Complex Dielectric Mixing Law Model for Forest Fire Ash Particulates
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A Complex Dielectric Mixing Law Model for Forest Fire Ash Particulates

机译:森林火灰颗粒的复杂介电混合规律模型

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This letter presents an empirical mixing law for forest fire ash over X-Band (8–12 GHz). Six different species of Australian flora were tested. These include eucalypt, bracken fern, she oak, wattle, cypress, and pine. The investigation highlighted the discrepancies of mixing laws based on a spherical mixing phase to those measured. By optimizing the dimensionless parameter (v) of the unified mixing law formula, a good match was achieved. An average value of $v = 10$ was achieved over all six samples. The effective solid complex permittivities “$varepsilon_{rm i}$ ” for all the samples were determined. These were eucalypt (6.30 $+$ 0.06 j), bracken fern (4.85 $+$ 0.51 j), she oak (10.05 $+$ 1.76 j), wattle (11.44 $+$ 0.1.71 j), cypress (8.68 $+$ 0.85 j), and pine (16.99 $+$ 3.51 j).
机译:这封信提出了X波段(8–12 GHz)上森林火灰的经验混合定律。测试了六种不同的澳大利亚植物区系。这些包括桉树,蕨蕨,橡树,荆,柏树和松树。调查强调了基于球形混合相的混合规律与所测得的差异。通过优化统一混合律公式的无量纲参数(v),实现了良好的匹配。在所有六个样本中均达到$ v = 10 $的平均值。确定所有样品的有效固体复数介电常数“ $ varepsilon_ {rm i} $”。这些是桉树(6.30 $ + $ 0.06 j),蕨菜(4.85 $ + $ 0.51 j),橡树(10.05 $ + $ 1.76 j),荆棘(11.44 $ + $ 0.1.71 j),柏树(8.68 $ + $ 0.85 j)和松树(16.99 $ + $ 3.51 j)。

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