Recent content by j_penac13

Well, the problem isn't the whole operation, because it is kinda Fourier transform. Thing is what does [.] mean?!

Hello there! I am in a class of signal and communication systems and found this symbol: ‹[·]› But I can't figure what it means, teacher told us to research it. Been reading books like crazy and can't find anything. Hope you can help me. I put a picture of how he used it, if that helps you.