释义 |
1 ?正象元 ... 正象系 erect system 正象元 pure pixel 正象接收 positive receiving ... 2 ?纯象元 若该象元仅包含一种类型,则为纯象元(pure pixel),也称为 端元(endmember),它所记录的正是该类型的光谱响应特征或光谱信号;若该 象元包含不止一种土地覆盖类型,则成为混合象... 3 ?像元称为纯像元 ...场角所对应地面范围仅包含了同一类性质目标,则该像元记录的是同一性质地面目标辐射能量的总和,这样的像元称为纯像元(pure pixel),如果探测单元瞬时视场角所对应的 4
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Great achievements in some aspects such as pure pixel extraction, spectral unmixing, matched filtering and spectral feature fitting have been made. 在纯净像元提取、混合像元分解、匹配滤波、光谱特征拟合等方面进行了探索。 - 2
Four Seas Oasis Indoor True Color LED display is the basic principle of light at each pixel point package of pure red, pure green, blue chip, driven by the drive system of its light. 四海绿洲LED室内真彩色显示屏的基本原理是在每个像素发光点封装纯红、纯绿、纯蓝晶片,由驱动系统驱动其发光。
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