Levitating helicopters? Wheels rotating contrary to the vehicle motion? You probably have seen it in movies, video, or on television. These are not special effects, but rather a natural consequence of unavoidable aliasing when recording video. See a video of a levitating helicopter and an analysis of the aliasing that led to this "special" effect Read More
Are you frustrated by signal-processing instruction that is hard to understand?
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I'm pleased to announce the launch of a free new "Foundations of Signal Processing" course. The Foundations course incorporates the most recent introductory material and is organized like my university classes. It contains both lessons and exercises to help you learn and retain the material. The course is delivered through seven weekly emails. If you are Read More
Neuroscience and cognitive psychology have now firmly established how we learn, and the types of study activities that make learning last. It turns out that many widely used study strategies are actually counterproductive. Your time is precious, so why not maximize the impact of the effort you expend learning? In the post "Learn Better: Science Read More