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A dual-band millimeter-wave cloud radar is studied in this paper. Firstly, the available frequencies for the dual-band operation are analyzed, including several atmospheric window, such as 94 GHz, 140 GHz and 220 GHz. Then, the equivalent radar cross section of the particles in cloud are studied, which is dependent on the particle' size and available frequencies. Based on the above analysis, 94 GHz...
Spaceborne cloud radar is an active remote sensing instrument. It can achieve all-day, all-weather continuous observations of global cloud vertical structure and cloud liquid water, ice water content. Compared to the current millimeter-wave cloud radar, terahertz cloud radar has a shorter wavelength which is closer to the cloud droplet particle size, and thus it has a higher sensitivity. The improved...
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