接收器和放大器接收来自副反射器的无线电波，并使这些微弱的无线电波强大到足以被记录下来并转化成电子信号。
A receiver and amplifier receive the radio waves from the sub reflector, and make these weak radio waves strong enough to be recorded and turned into electronic signals.
在单传感器和三传感器设计中，传感器产生的微弱信号都会被放大。
In both single sensor and triple sensor designs, the weak signal created by the sensors is amplified.
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.
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