Early-orbit performance of the special Sensor Microwave Water-Vapor Profiler (SSM/T-2 B4) and Special Sensor Microwave Air-Temperature Sounder (SSM/T-1 B3)

Conference Proceedings Second Topical Symposium on Combined Optical-Microwave Earth and Atmosphere Sensing Pub Date : 1995-04-03 DOI:10.1109/COMEAS.1995.472391

D. Kieu, A. Stogryn

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Abstract

The SSM/T-1 B3 and SSM/T-2 B4 units were successfully launched on August 29th, 1994. The SSM/T-2 instrument is a five channel, microwave total-power radiometer. It has three channels near the 183.31 GHz water vapor resonance line and two window channels (91 GHz and 150 GHz). The SSM/T-1 is a cross-track step scanning seven-channel Dicke microwave radiometer instrument. It operates in the oxygen absorption region at center frequencies of 50.5, 53.2, 54.35, 54.9, 58.4, 58.9, and 59.4 GHz. At a nominal orbit at an altitude of 833 km, brightness temperatures from the SSM/T-1 and SSM/T-2 instruments are used in the AFGWC's (Air Force Global Weather Center) weather prediction models. The SSM/T-2 ground processing software provides profiles of relative humidity, and absolute humidity, and water vapor mass at six mandatory pressure levels. The SSM/T-1 ground processing software estimates air temperature profiles at fifteen pressure levels and the tropopause. The SSM/T-1 f33 and SS.<>

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特种传感器微波水汽剖面仪(SSM/T-2 B4)和特种传感器微波空气温度测深仪(SSM/T-1 B3)的在轨早期性能

SSM/T-1 B3和SSM/T-2 B4在1994年8月29日成功下水。SSM/T-2仪器是一种五通道微波总功率辐射计。它在183.31 GHz水蒸汽共振线附近有三个通道和两个窗口通道(91 GHz和150 GHz)。SSM/T-1是一种跨轨道步进扫描七通道迪克微波辐射计仪器。它工作在氧吸收区，中心频率为50.5、53.2、54.35、54.9、58.4、58.9和59.4 GHz。在海拔833公里的标称轨道上，SSM/T-1和SSM/T-2仪器的亮度温度被用于AFGWC(空军全球天气中心)的天气预报模型。SSM/T-2地面处理软件提供六个强制压力水平下的相对湿度、绝对湿度和水蒸气质量的剖面。SSM/T-1地面处理软件估计15个气压水平和对流层顶的气温分布。SSM/T-1 f33和SS.>

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Conference Proceedings Second Topical Symposium on Combined Optical-Microwave Earth and Atmosphere Sensing

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