Research on Doppler Velocity Dealiasing with Millimeter Wave Radar RHI Data
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Abstract:
Millimeter wave radar is an ideal instrument for detecting the nonprecipitation clouds and weak precipitation clouds, but it is likely to cause velocity aliasing due to its short wavelength. Velocity dealiasing is an effective means of detecting wind field information with Doppler radar. Two methods aiming at velocity aliasing with the millimeter wave radar Range Height Indicator are put forward: humanmachine interaction method and automatic method, and tests are conducted with the measured data. It is proved that both methods are satisfactory in dealing with velocity aliasing. The comparison of the results also shows that the automatic method is more efficient than the humanmachine interaction method, but for the smaller isolated area, the latter has more advantages.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.