geometric corrections 中文意思是什麼
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Prior to being able to use an image in a landuse classification exercise one must first make fundamental corrections to the image data. the level of corrections differs for each satellite sensor but will generally involve sensor calibration for radiometric correction ( sun angles, earth - sun distances and atmospheric scattering effects ), geometric corrections and geo - referencing to a known coordinate system
在將圖像用於土地利用分類處理之前，必須首先對圖像資料進行基本修正。對于不同的衛星感測器需採用不同的修正參數和方法，但一般涉及感測器校正，包括輻射校正（太陽角度角、地球與太陽的距離和大氣層的散射效應） 、幾何校正以及設制地理座標。 -
This dissertation focuses on the test on - orbit hj - 1c small satellite and its sar images, which includes the following parts : 1. the geometric characteristics of the sar remote sensor and its images are evaluated, which includes evaluations of the satellite poses, adjustments of the orbit parameters, and geometric corrections of the sar images
本文將hj - 1c小衛星及其sar圖像在軌測試研究工作，概括為三個方面: 1 . sar在軌測試參數檢驗與其圖像的幾何性能評價，包括衛星姿態和軌道參數的評價，以及以sar圖像幾何粗定位、粗校正、及精校正為內容的sar圖像幾何校正評價。
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