Combined use of radiometer and double frequency radar for measurement of rain intensity

Active-passive method for measurement of rain intensity is proposed based on double frequency radar and radiometer. Numerical simulation of active-passive remote sensing of uniform rains was performed for radar wavelengths of 8.2 mm, 3.2 cm and for radiometer - 3.2 cm. It was shown that measurement error of proposed method does not exceed 10% in the range of rain intensity 0 ÷ 30 mm/h.