Research Library
Evidence-led guides, paper breakdowns, research methods, and practical engineering workflows across radar, signal processing, artificial intelligence, and related fields.
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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…
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The Tiny Radar That Could Read Gestures: What Google Soli Actually Proved
Google Soli showed that a miniature 60 GHz radar could recognize fine hand gestures without imaging the hand. This evidence-led breakdown explains the signal processing,…
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24, 60, or 77 GHz? How to Choose a Radar for Human Sensing
Compare 24, 60, and 77 GHz radar for human sensing, including bandwidth, antennas, motion sensitivity, regulations, and raw-data access.
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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…
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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…