Remote Sensing of Clouds and Fog with a 1.4-mm Radar

Remote Sensing of Clouds and Fog with a 1.4-mm Radar
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利用 1.4 毫米雷达遥感云雾

DOI：
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发表时间：
1989
期刊：
影响因子：
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通讯作者：
C. Swift
C. Swift
中科院分区：
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文献类型：
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作者：
J. Mead;R. McIntosh;D. Vandemark;C. Swift

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摘要新近研制的一种波长为1.4 mm的非相干雷达有可能对几公里范围内的低反射率大气目标进行遥感。使用扩展相互作用振荡器(EIO)实现了60W的功率输出。云和雾的初步反射率测量范围在36米到1900米之间，据信是第一次在该波长进行此类测量，讨论了反射率测量精度的限制，强调了由于高度可变的衰减造成的不确定性。
Abstract A recently developed 1.4 mm wavelengh incoherent radar has potential for remote sensing of low reflectivity atmospheric targets for ranges up to several kilometers. Power output of 60 W is achieved using an Extended Interaction Oscillator (EIO). Preliminary reflectivity measurements of clouds and fog for ranges between 36 and 1900 meters are believed to be the first such measurements at this wavelength Limitations on the accuracy of the reflectivity measurements are discussed, highlighting uncertainties due to highly variable attenuation.