OysterEngineer (I love that name!) asked some interesting questions in response to my last Fourier transform post, which concerned the relationship between the discrete-time Fourier transform... 続きを読む >>

In the category of "eye-catching titles," the April 2010 issue of IEEE Transactions on Image Processing has an article entitled "Is Denoising Dead?" According to the abstract, the article asks... 続きを読む >>

It's finally time to start looking at the relationship between the discrete Fourier transform (DFT) and the discrete-time Fourier transform (DTFT). Let's look at a simple rectangular... 続きを読む >>

h1 { font-size:18pt; } h2.titlebg { font-size:13pt; } h3 { color:#4A4F55; padding:0px; margin:5px 0px 5px; font-family:Arial, Helvetica, sans-serif; font-size:11pt; font-weight:bold;... 続きを読む >>

One challenge of teaching Fourier transform concepts is that each concept can be (and is) interpreted and explained in many different ways. It isn't always obvious how the different... 続きを読む >>