Lin Quan, Zhang Yong-hong, Chen Qi-ke, Fan Yong, Yang Jian-yu, Li Liang-chao
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引用次数: 5
Abstract
The paper describes a W band radiometer for imaging. A superheterodyne receiver with Dicke switch is used in this radiometer, whose millimeter-wave components, which include a millimeter-wave fundamental wave mixer, a harmonic mixer and a VCO are mounted on the back-end of antenna for lower transmission loss. By this means, the radiometer with sensitivity 0.5 k is achieved. Through the experiment of imaging, the radiometer is shown to meet the requests of the image system.
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