To quote a meme: “That’s the neat part. You don’t.” If you bandlimit your input, aliasing effectively strips out the carrier tone and leaves the modulated signa

To quote a meme: “That’s the neat part. You don’t.” If you bandlimit your input, aliasing effectively strips out the carrier tone and leaves the modulated signal. In a way, you’re relying on aliasing / frequency folding to do it for you. https://ars.els-cdn.com/content/image/3-s2.0-B9780124158931000020-f02-06-9780124158931.jpg https://ars.els-cdn.com/content/image/3-s2.0-B97801241589310... You can even improve information transfer in these scenarios by using a synchronizer, which allows you to phase shift your sampling to be at the ideal transition point in your information stream.