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ACE-FTS instrument: after five years on-orbit

机译:ACE-FTS仪器:五年后轨道

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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. This 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)是加拿大航天局科学卫星的任务,Scisat-1。 ACE包括一套仪器,其中主元件是耦合的红外傅里叶变换光谱仪(FTS),其与辅助2通道可见(525nm)和近红外成像器(1020nm)耦合。辅助仪器是名为Maestro的光栅光谱仪,提供从近乎紫外线到近红外的光谱数据,包括可见光谱范围。通过所有仪器组合,有效载荷覆盖0.25至13.3微米的光谱范围。通过在低地轨道中的这种卫星在这种卫星中,通过在低地轨道上的太阳掩星进行全面的同时测量痕量气体测量。 ACE任务措施并分析了控制上层和平流层中臭氧分布的化学和动态过程。高倾斜(74°),低地球轨道(650 km)允许覆盖热带,中纬度和极地区域。 ACE / Scisat-1 Spacecraft于2003年8月12日由美国宇航局推出。本文介绍了ACE-FTS仪器的状态,经过近五年的轨道。呈现了轨道SNR和一些遥测信号。讨论了仪器的健康状况。

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