micro-Doppler
-
Micro-Doppler Explained: How Radar Sees Arms, Legs, and Human Motion
Micro-Doppler reveals how torso and limb velocities change over time. This physics-first guide explains human radar signatures, spectrogram interpretation, sampling limits, common mistakes, and a…
-
Why Your Radar Spectrogram Looks Wrong: Choosing STFT Parameters for Micro-Doppler
Window length—not FFT size—is the main control on the STFT time–Doppler trade-off. This practical guide explains how PRF, overlap, window shape and zero-padding affect radar…
-
Radar-Based Human Activity Recognition: What Researchers Need to Know Before Starting
A practical guide to radar-based human activity recognition, covering radar modalities, signal representations, dataset design, leakage-free evaluation, model selection, and deployment challenges researchers should consider…