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首页> 外文期刊>IEEE Transactions on Geoscience and Remote Sensing >TOMS/ADEOS instrument characterization
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TOMS/ADEOS instrument characterization

机译：TOMS / ADEOS仪器表征

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摘要

Data sets from the total ozone mapping spectrometer (TOMS) on the ADEOS I spacecraft have been processed using initial and time-dependent instrument characterizations. Initial characterizations, performed on the ground, focused on wavelength registration of the six near-UV TOMS channels and on the instrument albedo calibration. Few calibration adjustments were required in the postlaunch phase. Instrument performance, including bandpass wavelengths, were stable throughout the life of the instrument. Indirect evidence exists for small changes in the reflectance of the primary solar diffuser. Characterizations used in data processing assume no change. No ozone retrieval errors are expected due to this assumption. All totaled, estimated calibration uncertainties represent less than 1% in total column ozone uncertainty. A comparison between two TOMS instruments is marginally consistent with these estimates. However, a comparison with ground measurements resulted in differences exceeding 1%.
机译：ADEOS I航天器上的总臭氧测图光谱仪（TOMS）的数据集已使用初始和随时间变化的仪器表征进行了处理。在地面上进行的初始表征着眼于六个近紫外TOMS通道的波长配准和仪器反照率校准。启动后阶段几乎不需要校准调整。仪器的性能（包括带通波长）在仪器的整个使用寿命中都是稳定的。间接证据表明初级太阳漫射器的反射率有微小变化。数据处理中使用的特性假定不变。由于这个假设，预计不会出现臭氧回收错误。所有总计，估计的校准不确定度占色谱柱臭氧总不确定度的不到1％。两种TOMS仪器之间的比较与这些估计值基本一致。但是，与地面测量结果进行比较后得出的差异超过1％。

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