FA-12078 / Sensor fusion consistency / Member archive
Dropped samples do not accumulate process uncertainty · case 03
Prediction confidence remains too high after a long acquisition gap.
Case contract
Scalar random walk with variance rate q: return p+q*dt as an integer; p,q,dt nonnegative. This is diffusion, not acceleration noise.
Why this case matters
Deterministic sensor-fusion model isolating one consistency contract; no hardware or production estimator is simulated.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| gap spans several ticks | 5 | 13 | Failed |
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