Page 38 Micro Rain Radar MRR-2 METEK
2012-02-29 Valid for MRR Service Version 6.0.0.3 / Firmware 6.00
W - Fall Velocity
W is the characteristic falling velocity.
(First Moment of the Doppler spectrum, see chapter 3.4 MRR-Physical
Basics).
The width of velocity-bins can be derived from the maximum number of height
steps, the sampling rate (as shown in the header line) and the wave length of
the RADAR signal. 32 height steps and 64 lines per step are calculated. For a
sampling frequency of 125 kHz and a transmit frequency of 24.23 GHz, the
resolution of the fall velocity can be calculated as:
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