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edenstar
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I was wondering If anyone knows if this is possible, or why it might be a silly idea.
russ_watters said:So if you want a picture WITH radio waves and not OF radio waves, then you are talking about RADAR. That's what it is.
That's still a radar picture, it would just be essentially white noise like when a TV shows static.edenstar said:If I'm correct radar takes pictures of objects be sending out radio waves and then detecting them again. What I want to do is detect the signals from radio stations or other sources that are already present. This would have little relation to the actual objects nearby.
This is called passive radar. As there are typically a few dominant sources (the active radars), I don't think pictures would be interesting.edenstar said:If I'm correct radar takes pictures of objects be sending out radio waves and then detecting them again. What I want to do is detect the signals from radio stations or other sources that are already present. This would have little relation to the actual objects nearby.
Andy Resnick said:
edenstar said:This is what I want to do:
edenstar said:Take an antenna and point it in a direction. Record the magnitude and the frequency of the radio detected. Then point the antenna in a slightly different direction and detect the same things. Do this until you have a 2d grid of these data points. Turn these grid points into an image by the proper mappings. Alternatively, you could use an array of antennas maybe but that might be impractical.
No, radio waves cannot be captured by a traditional camera as they are not part of the visible light spectrum. They require specialized equipment, such as a radio telescope, for detection.
Scientists use radio telescopes to capture images of radio waves. These telescopes use large dishes or arrays of antennas to collect and amplify radio signals from outer space.
No, radio waves cannot be seen with the naked eye as they are invisible to human eyes. They are a form of electromagnetic radiation with longer wavelengths than visible light.
Yes, scientists have captured images of radio waves on Earth using radio telescopes. These images can show the intensity and direction of radio waves emitted by various objects, such as stars and galaxies.
Pictures of radio waves can be useful in studying the properties and behaviors of celestial objects, as well as in communication and navigation technologies. They can also provide valuable insights into the origins and evolution of the universe.