Unverified50% confidenceFactExact time
在二维平面上，1-σ 不确定性椭圆包含真实状态的概率约为 39%，2-σ 椭圆约为 86%
1
Sources
50%
Confidence
Long-term
Relevance
7/12/2026
First Seen
Sources
Multi-Sensor Kalman Fusion in Practice: A Complete Breakdown of a Drone Tracking System
redditr/learnmachinelearning7/11/2026
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