Tag: Signal Processing

Why Everyone Should Learn a Bit of Signal Processing

If you’ve ever adjusted an Instagram filter, used noise cancellation on a plane, or asked Siri to play Taylor Swift, then you’ve used signal processing—the mathematical art of massaging, analyzing, and extracting meaning from data that changes over time. It’s behind your music, your fitness tracker, your MRI scan, and maybe even your job application. And while it might sound like an electrical engineer’s pet topic, signal processing is actually a foundational—and surprisingly flexible—tool across tech, science, and modern careers.

So if you’re a student wondering what to do with that Fourier Transform assignment, or why your professor keeps talking about “filtering out noise,” read on. Signal processing isn’t just useful—it’s everywhere.


August 22, 2025 0

Hot Tech for Cold Cancers: How Microwave Imaging Is Reinventing Breast Screening

Picture your chest as a crowded subway car: packed, complicated, and full of different signals—some harmless, others alarming. Traditional mammography snapshots it like a grainy train schedule. Enter microwave imaging, which floods this crowded space with gentle electromagnetic pulses (1–10 GHz), listens to how they bounce back, and pieces together a map of tissue properties. It’s like a radar that detects suspicious riders without shaming them for squeezing on too tight.

Microwave imaging for breast cancer combines electromagnetics, inverse problems, and signal processing—a playground for math nerds who want to turn reflections into medical breakthroughs. And behind much of this progress are longtime efforts at McGill University and newer advances from the University of Utah. Let’s unpack how it all works—and why it’s still struggling to go mainstream today.


August 20, 2025 0