Study of the behaviour of reflectance an
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L. Ward
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Article
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1998
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Elsevier Science
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English
โ 256 KB
It is shown that equations for the four functions, R s , R p , F s and F p for solid materials can be expressed as either quartics in e 4 (e 4 =e 1 รe 3 ) and e 2 or in polar co-ordinates; in each case, when e 2 is plotted against e 4 , heart-shaped ยฎgures are produced. Over the intermediate thickne