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Doppler error

The error in measurement of the radial velocity of a radar target. The error is due to 1) noise in the measurement system; 2) fluctuations in the signal itself, which are a characteristic of echoes from distributed targets such as precipitation; 3) limited measurement time; and 4) atmospheric refractive effects (usually negligible) that modify the ray path and the speed of light.

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  • Kevin Bowles
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