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先进微波大气探测仪(AMAS)是安装在风云三号卫星(C/D星)上的新一代微波湿度计,是风云三号卫星(A/B星)微波湿度计的继承和发展。在150 GHz(水平极化和垂直极化)和183.31 GHz(水平极化,三通道)的基础上,探测频率和通道设置为89 GHz(垂直极化)、118.75 GHz(水平极化,八通道)、150 GHz(垂直极化)、183.31 GHz(水平极化,五通道),仍采用垂直于飞行方向的交轨扫描方式,科学目标是探测全球大气温度和湿度的垂直分布、降雨等。本文介绍了微波湿度计-II的系统设计与构成,描述了微波湿度计-II的性能指标要求。测试结果表明,性能指标满足设计要求。
Advanced Microwave Atmosphere Detector (AMAS) is a new generation of microwave hygrometer installed on the Fengyun III satellite (C / D satellite), which inherits and develops the microwave hygrometer of the Fengyun III satellite (A / B satellite). Based on 150 GHz (horizontal and vertical polarization) and 183.31 GHz (horizontal polarization, three channels), the detection frequency and channel settings are 89 GHz (vertical polarization), 118.75 GHz (horizontal polarization, eight channels ), 150 GHz (vertical polarization), 183.31 GHz (horizontal polarization, five channels). The orbital scanning perpendicular to the flight direction is still adopted. The scientific goal is to detect the vertical distribution of global atmospheric temperature and humidity, rainfall and so on. This article describes the system design and composition of the microwave hygrometer-II, describes the performance requirements of the microwave hygrometer-II. The test results show that the performance index meets the design requirements.