Radio physics is often presented as if there are infinitely many channels available, one for each wavelength. In reality there’s only one channel, and receiving a transmitted signal relies on the time integral of its carrier frequency with all other signals being negligible.
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interesting point of view, thanks it is intriguing that the uncertainty principle applies in the analog electromagnetic theory and in quantum mechanics; in quite different ways, but maybe also in some deep sense, the same
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Basically the only functional bandwidth we need to worry about is plank length to the diameter of the universe effectively.
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seems like photons coming in actual separate quanta of energy actually invalidate this…?
but i like the idea of this in the analog processing perspective, and it may be the most useful engineering perspective