This article is concerned with investigations of scattering and absorption of 35, 94, 140, and 240 GHz radiation by clouds and precipitation. The computations of radar reflectivity, Doppler spectra, and absorption coefficients are performed using Mie functions and exponential drop-size distributions. The results can be used for an assessment of the applicability of short-wavelength Doppler radars for observation and study of clouds and precipitation either from the ground or from a space platform.

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