Models

POM

SPM

Dubois model

Oh model

AIEM

Frequency available (GHz)

All

Low frequency

1.5 - 11

1.5 - 9

All

Incidence angle (𝜃)

<35˚

>35˚ - 40˚

30˚ - 65˚

10˚ - 70˚

All

Surface

Rough

Smooth

All

All

All

RMS (𝑠) cm

𝑘 ⋅ 𝑠 > 2 All

𝑘 ⋅ 𝑠 < 0.3

0.3∼3, 𝑘 ⋅ 𝑠 < 2.5𝑘

𝑘 ⋅ 𝑠 < 5

All

Correlation length

𝑘 ⋅ 𝑙 > 6, 𝑙2 > 2.76 ⋅ 𝑠 ⋅ 𝜆

𝑘 ⋅ 𝑙 < 3, 𝑠/𝑙 < 0.3

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Full polarimetric

All