INTERACTIVE CLOUD RF LAB

Change the atmosphere.
Watch the channel respond.

Build up to four liquid-cloud layers and inspect how height, thickness, water content, temperature, motion, geometry, and carrier frequency change the selected satellite-to-ground path.

Open cloud equations

LINK GEOMETRY

Experiment inputs

Carrier frequency 20.0 GHzElevation 30°Ray azimuth 70°Slant range 900 kmRain rate 2.0 mm/hRelative humidity 76%Experimental liquid phase OFF

MULTILAYER COLUMN

Cloud slabs

01Low liquid layer

Base 0.90 kmThickness 1.10 kmLiquid water 0.380 g/m³Temperature 10.0°CWind speed 9.0 m/sWind from 250°

02Mid mixed layer

Base 3.20 kmThickness 1.40 kmLiquid water 0.160 g/m³Temperature -3.0°CWind speed 19.0 m/sWind from 225°

03Upper mixed layer

Base 5.80 kmThickness 1.00 kmLiquid water 0.055 g/m³Temperature -19.0°CWind speed 31.0 m/sWind from 285°

MODELED OBSERVABLE

Pair response

FAST PATH · 20.0 GHz

MODELED LIQUID LOSS0.470dB · ice contribution unavailable

EXPERIMENTAL PHASEOFFdefault governance

CLOUD DOPPLEROFFdepends on phase model

RECEIVED POWER--withheld · incomplete path budget

EXCESS PATH0.000 mm

SLANT MODELED LIQUID WATER1.392 kg/m²

GAS / RAIN-- / 1.142 dB

WAVELENGTH14.99 mm

SEPARATED FORWARD TERMS

Contribution by modeled layer

Low liquid layer0.90–2.00 km

Slant path: 2.199 km
Attenuation: 0.2256 dB
Excess path: 0.0000 mm
Phase: OFF
Wind projection: +9.00 m/s
Residual Doppler: OFF

Mid mixed layer3.20–4.60 km

Slant path: 2.795 km
Attenuation: 0.1762 dB
Excess path: 0.0000 mm
Phase: OFF
Wind projection: +17.22 m/s
Residual Doppler: OFF

Upper mixed layer5.80–6.80 km

Slant path: 1.994 km
Attenuation: 0.0684 dB
Excess path: 0.0000 mm
Phase: OFF
Wind projection: +25.39 m/s
Residual Doppler: OFF

ACTIVE FORWARD EQUATIONSγcloud,k = Kl(f,Tk) · MkAcloud = Σk γcloud,k · LkΔφk = −2π ΔLk / λfD,k = −(f/c) · d(ΔLk)/dt

Layer terms are separable because their states are supplied to the forward model. A measured total does not uniquely recover them unless the multi-ray/multi-frequency Jacobian has sufficient rank.

Change the atmosphere.Watch the channel respond.

Experiment inputs

Cloud slabs

Pair response

Contribution by modeled layer

Change the atmosphere.
Watch the channel respond.