红外云图和可见光云图有什么区别

2025-03-26 16:26:07
推荐回答(4个)
回答1:

可见光云图:气象卫星在可见光谱段感应地面和云面对太阳光的反射,并把所得到的信号表示为一张平面图像,这就是可见光云图。(黑色:海洋,湖泊,大的河流。深灰色:大面积森林,草地,耕地。灰色:陆地晴天积云,大沙漠,单独出现的卷云。灰白色:大陆上薄的中高云。白色:积雪,冰冻湖海,中等厚度的云。浓白色:大块厚云,积雨云,多层云。
红外云图:卫星将红外波段测得的辐射转换成图像就得到红外云图。辐射大为黑色,辐射小为白色。越黑红外辐射越大,温度越高,反之。

回答2:

一个是红外波段图像,只显示发出的红外线,为黑白图像,通常热的区域为白色,冷的区域为黑色。可见光图像可以是彩色的,就是人眼可看到的图像

回答3:

红外云图与可见光云图的区别主要在于它们测量的波段和用途。可见光云图使用可见光波段拍摄,主要依赖云对太阳光的反射来成像,因此只能在白天拍摄。红外云图则使用红外波段测量云的温度,可以在昼夜拍摄。总的来说,两者各有优劣,在实际应用中会根据需要选择使用哪种云图。

回答4:

可以看作是温度图,越热越黑,越冷越白

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