This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
ReconstructFilter. Ideal brickwall reconstruction filter in NyquistShannon sampling and reconstuction theorem passes the original baseband signal and eliminates the images or the dirac impulse sampled signal this recovering the original signal from the samples Created by Robert BristowJohnson for use in commons No Rights Reserved