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Issue:
Ground Calibration Experiment of Spaceborne Millimeter Wave Radiometer
Author(s):
ZHANG Dong
,
GUO Wei
Pages:
439
-
442
Year:
2005
Issue:
4
Journal:
REMOTE SENSING TECHNOLOGY AND APPLICATION
Keyword:
嫦娥一号
;
微波辐射计
;
定标
;
Abstract:
对CE-1(嫦娥一号)卫星有效载荷微波探测仪初样样机8 mm微波辐射计进行了地面定标实验.测量了接收机的线性度和灵敏度;建立了射频前端微波辐射传输模型;应用该模型并结合测试结果,建立了失配条件下辐射计天线温度的定标方程.实验结果表明,接收机线性度为0.9999,灵敏度为0.17 K,定标误差小于0.85 K.为CE-1正样样机的研制以及科学目标的实现提供了定标参考.
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