当发射光照到相机的传感器上时，每个像素点抓取一个特定的波长，并对匹配波长的光线进行电子放大。 从仅有几个光子的微弱的原始信号，放大到可见的强度。
That amplifies the original dim signal, composed of just a few photons, until it becomes visible.
当发射光照到相机的传感器上时，每个像素点抓取一个特定的波长，并对匹配波长的光线进行电子放大。
When reflected light hits the camera's sensor, each pixel picks up its dedicated wavelength, and is given an electronic boost of a matching wavelength.
数字信号在建筑物、山坡、树木或者甚至掠过飞机时，会发生发射，这时会出现像素问题。
Pixelation occurs when the digital signal bounces off buildings, hillsides, trees or even passing aircraft.
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