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大气科学  2003 

从118.75GHz附近六通道亮温反演大气温度廓线的数值模拟研究

DOI: 10.3878/j.issn.1006-9895.2003.05.10

Keywords: 高频微波,温度廓线,反演

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Abstract:

为了能在静止气象卫星上实现微波被动遥感探测大气温度廓线,并保持一定的地面空间分辨率(如视场小于60km),就需要使用高频微波及大天线.欧洲和美国下一代静止气象卫星上都已考虑采用118.75GHz附近通道.为了充分了解118.75GHz附近通道遥感反演温度廓线的能力,为仪器研制及今后资料的解释反演提供必要的基础数据,作者开展了采用118.75GHz附近六个通道遥感反演大气温度廓线的数值模拟研究.统计反演的数值试验表明,118.75GHz附近六通道对温度垂直分布有一定的遥感反演能力;温度反演较好的层次对应于权重函数峰值所在的位置.

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