What is nuller?

and nuller is a device or piece of technology used to cancel or reduce the force of a signal or energy. One of the most common ways of being used is a zero interferometer, a device used with a telescope to block a strong signal. This is usually done when trying to observe very muted objects that are close to very clear objects, blocking a clear signal to better see the weak. Nuller can also be used to overcome the efforts to chase or disrupt the communication signal by interference. This may apply to many different types of signals, although these signals are usually some form of energy wool. For example, visible light can be blocked by nuller, as well as different types of waves used by satellites and other telecommunications applications. This process is referred to as "nulling," and suggests that the signal or part of the signal has been canceled by the device.

One of the most common zuller applications is the design of the zero interferometer, which is part of a telescope that can be used to cancel certain signals. The basic idea of ​​this is the equivalent of someone trying to see the details of the picture that is next to the very bright light. If this person uses his hand to block the light, then his eyes adapt and can see the details in the picture, while otherwise the light moves his vision.

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zero interferometer works in almost the same way. Two -edges can use nuller to create a signal that creates a destructive interference with each other and another signal. This will cancel the second signal, such as the light of a bright star near the weak planet, creating other signals, the light reflecting the weak planet, Eaier to see.

There are also ways to use nuller in telecommunications, usually to prevent the effort to disrupt the signal or signal stuck. If the signal is sent from a military station to satellite, which then passes it to anotherStation, the enemy may try to create an interference that distorts the original signal. The satellite can be designed with a nuller that adapts to the interference signal and creates a destructive interference with it. This will cancel the interference signal and allows you to receive the original satellite signal.