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ACE-FTS instrument: after five years on-orbit

机译:ACE-FTS仪器:在轨运行五年后

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The Atmospheric Chemistry Experiment (ACE) is the mission on-board Canadian Space Agency's science satellite, SCISAT-1. ACE consists of a suite of instruments in which the primary element is an infrared Fourier Transform Spectrometer (FTS) coupled with an auxiliary 2-channel visible (525 nm) and near infrared imager (1020 nm). A secondary instrument, a grating spectrometer named MAESTRO, provides spectrographic data from the near ultra-violet to the near infrared, including the visible spectral range. With all instruments combined, the payload covers the spectral range from 0.25 to 13.3 micron. A comprehensive set of simultaneous measurements of trace gases, thin clouds, aerosols and temperature are being made by solar occultation from this satellite in low earth orbit. The ACE mission measures and analyses the chemical and dynamical processes that control the distribution of ozone in the upper troposphere and stratosphere. A high inclination (74°), low earth orbit (650 km) allows coverage of tropical, mid-latitude and polar regions. The ACE/SciSat-1 spacecraft was launched by NASA on August 12th, 2003.rnThis paper presents the status of the ACE-FTS instrument, after nearly five years on-orbit. On-orbit SNR and some telemetry signals are presented. The health status of the instrument is discussed.
机译:大气化学实验(ACE)是加拿大航天局的科学卫星SCISAT-1的飞行任务。 ACE由一套仪器组成,其中的主要元件是红外傅里叶变换光谱仪(FTS),辅助的2通道可见光(525 nm)和近红外成像仪(1020 nm)。辅助仪器是名为MAESTRO的光栅光谱仪,可提供从近紫外到近红外的光谱数据,包括可见光谱范围。结合所有仪器,有效载荷的光谱范围从0.25到13.3微米。这颗卫星在低地球轨道上通过太阳掩星技术正在对痕量气体,薄云,气溶胶和温度进行全面的同时测量。 ACE任务测量并分析了控制对流层高层和平流层中臭氧分布的化学和动力学过程。高倾角(74°),低地球轨道(650 km)可以覆盖热带,中纬度和极地地区。 ACE / SciSat-1航天器由美国国家航空航天局(NASA)于2003年8月12日发射升空。本文介绍了ACE-FTS仪器在轨运行近五年后的状态。介绍了在轨SNR和一些遥测信号。讨论了仪器的健康状况。

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