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On-orbit Status of TANSO-FTS on GOSAT

机译：TANSO-FTS在GOSAT上的在轨状态

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To map the global column dry mole fractions of carbon dioxide (CO_2) and methane (CH_4), the Green house gases Observing SATellite (GOSAT) was launched on January 23, 2009. The Thermal And Near infrared Sensor for carbon Observation Fourier-Transform Spectrometer (TANSO-FTS) and Cloud and Aerosol Imager (TANSO-CAI) are onboard on GOSAT to derive the precise amount of CO_2 and CH_4 in atmosphere measuring the solar light intensity reflected and scattered on the earth's surface and the thermal radiation. The first high spectral resolution Short Wave Infrared (SWIR) spectra by TANSO-FTS and the image by TANSO-CAI were acquired on February 7, 2009. TANSO has been continuously measuring CO_2 and CH_4 distributions in global every three days periods, and data distribution for public users was started from February 16, 2010. After the launch, the on-orbit characterization of performance, calibration, and health monitoring of TANSO has been continuously conducted with updating the Level-1 and -2 processing algorithm. During the over one-year operation period, a few anomalies such as instability of pointing mechanism, varying offset of pointing position, small wave-number shift and Zero Path Difference position change, were observed. The radiometric responses for FTS and CAI are also slightly changing. To minimize these effects in data using, quality flags were additionally included in product, response functions are updated and the regular operation procedure was slightly changed. In this presentation, the detail of on-orbit status of TANSO will be reported.
机译：为了绘制二氧化碳（CO_2）和甲烷（CH_4）的全球色谱柱干摩尔分数，2009年1月23日启动了温室气体观测卫星（GOSAT）。用于碳观测的热和近红外传感器傅里叶变换光谱仪（TANSO-FTS）和Cloud and Aerosol Imager（TANSO-CAI）都安装在GOSAT上，以得出大气中精确的CO_2和CH_4量，从而测量反射和散射在地球表面的太阳光强度以及热辐射。 TANSO-FTS的第一个高光谱分辨率短波红外（SWIR）光谱和TANSO-CAI的图像于2009年2月7日获得。TANSO每三天连续测量全球CO_2和CH_4的分布以及数据分布从2010年2月16日开始为公众用户提供服务。发射后，通过更新Level-1和-2处理算法，连续进行TANSO的性能，校准和健康监控的在轨特性。在一年多的运行期间，观察到一些异常现象，例如指向机构的不稳定，指向位置的偏移，小波数偏移和零路径差位置变化。 FTS和CAI的辐射响应也略有变化。为了最大程度地减少数据使用中的这些影响，产品中还包括了质量标志，更新了响应功能并略微更改了常规操作程序。在本演讲中，将报告TANSO在轨状态的详细信息。

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