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.
一种可能性是，利用你自己的星体作为功能非常强大的透镜放大光线和无线电信号。
One possibility was using your own star as an incredibly powerful lens to amplify light and radio signals.
起初它被发明出来用于无线电信号的放大，这让你能够用晶体管收音机取代真空管收音机。
It was first developed to amplify radio signals, and you had transistor radios that replaced the vacuum tubes that were being used.
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