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首页> 外文会议>Fifth international airborne remote sensing conference and exhibition >INVESTIGATIONS INTO IMAGE STREAKING ON THE AIRBORNE IMAGING MICROWAVE RADIOMETER AIMR
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INVESTIGATIONS INTO IMAGE STREAKING ON THE AIRBORNE IMAGING MICROWAVE RADIOMETER AIMR

机译：对机载成像微波辐射仪AIMR上的图像进行调查

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摘要

The Airborne Imaging Microwave Radiometer (AIMR) is a cross-track scanning totalrnpower radiometer which flies on the NCAR C-130. A rotating scan mirror allows viewsrnof underlying scenes over an angular swath of 120 °. In real time, the data for a singlernrotation are grouped together by the data-processing software and sent to a rack-mountedrnSun Microsystems computer for display and recording. The computer uses the effectivernbrightness temperatures of the calibration loads to calculate the scene brightnessrntemperatures for each of the channels. The real-time display corrects the data for aircraftrnattitude and position, yielding a display with a spatial aspect ratio of one.rnThe AIMR instrument has participated in a number of field projects including: BeaufortrnArctic Storms Experiment (BASE), Marine Stratocumulus Tops experiment (MCST),rnSurface Heat Budget of the Arctic experiment (SHEBA), Wildfire Experiment (WIFE),rnand Indian Ocean Experiment (INDOEX). In some of the images from BASE, MCST,rnand INDOEX, streaking occurred across the image coincident with the scan direction.rnThis streaking has been identified as an error source contributing to the overall error inrnretrievals. It is believed that the streaking could be a result of data handling relative torncalibration. Analysis to determine the cause of this streaking and modifications to therndata-handling software and post-processing software to correct the images will berndescribed.
机译：机载成像微波辐射仪（AIMR）是一种跨轨扫描总功率辐射仪，它使用NCAR C-130。旋转扫描镜可在120°角度范围内观察下面的场景。实时地，单次旋转的数据由数据处理软件分组在一起，然后发送到机架式Sun Microsystems计算机上进行显示和记录。计算机使用校准负载的有效亮度温度来计算每个通道的场景亮度温度。实时显示可校正飞机的高度和位置数据，显示的空间纵横比为1。 ），rn北极实验（SHEBA），野火实验（WIFE），印度洋实验（INDOEX）的表面热收支。在一些来自BASE，MCST，rn和INDOEX的图像中，在与扫描方向一致的整个图像上出现了条纹。该条纹被确定为导致整体错误检索的错误源。据信，条纹可能是相对于校准所进行的数据处理的结果。将描述确定该条纹的原因的分析以及对数据处理软件和后处理软件的修改以校正图像。

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