ee6d9dfa80
The FFT will always find *some* peak in 0.8-2.0 Hz, even on pure clutter, and the peak-to-mean ratio frequently lands at 0.5-0.7 "confidence" from noise alone. Net result: the HR pill showed 75-97 BPM with 60%+ confidence while the operator was across the room with their back to the radar. Add a presence gate based on the target gate's micromotion energy: empty room peak_micro_mid 1k-3k person nearby peak_micro_mid 10k-20k person in beam peak_micro_mid 40k-80k Threshold at 20k. Below it we null both BR and HR (the breathing detector's internal buffer is still fed so it stays warm for instant re-acquisition). New diagnostic endpoint GET /api/v1/mmwave/gates dumps current motion/micro arrays + the target gate so we can re-calibrate the threshold on new firmware. UI: pill now shows "· нет цели" (no target) when presence=false, so the operator can tell "buffer warming up" from "nobody in beam" from "module fell back to Normal Mode". Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> |
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