GNSS-R · GPS L1 C/A · bistatic forward scatter
Where on the ocean does one DDM pixel look?
Delay–Doppler map
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—
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dBW
rel pk
Viridis
Turbo
Ocean surface, specular-centred
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iso-delay,
1 chip
iso-Doppler,
—
selected cell
specular point
Delay bin
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Extra path
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Doppler bin
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Cell power
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Cell σ⁰ (NBRCS)
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Surface footprint
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Patch centres
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Incidence angle
30°
Receiver altitude
520 km
Receiver heading
0°
Wind speed
8 m/s
DDM delay span
12 chips
Pin selection
Glistening zone
Hover either panel ·
←
→
↑
↓
to step cells ·
Enter
to pin
Scene geometry
drag to orbit