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Do antennas radiate photons?
On 7/14/2015 3:21 AM, George Cornelius wrote:
In article , I wrote: A word: synthetic aperture. Drone array, anyone? [...] Or just calculate directly. I think the angular resolution of an array or a telescope in radians is something like 0.22 * wavelength / aperture . Oops. That's 1.22 . Still, I don't think it's too bad considering how long ago I learned about synthetic aperture arrays in 2nd year physics. George Hasn't this problem been solved already? We scan the cosmos with large radio antenna arrays to form images of celestial features. -- Rick |
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