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EURASIP Journal on Advances in Signal Processing
Figure 4 | EURASIP Journal on Advances in Signal Processing

Figure 4

From: Estimating snow water equivalent for a slightly tilted snow-covered prairie grass field by GPS interferometric reflectometry

Figure 4

Two-dimensional contour plot of snow depth ( t 1 ) and snow density ( ρ d ) for PRN 15. The plot has contour values of the SE of the QNA output values produced by the 112 input pair combinations of snow depth and density using a QNA. The minimum SE value of 0.377 dB (black square) is produced by a 13.0-cm-thick snow layer with a snow density of 0.08 g∙cm-3 (SWE = 1.04 g cm-2).

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