exp: 轮次39(续)——行程超出2.4倍的成因是换向抖动(23.5%步换向、净位移只占44.5%)；len_w=0.1 罚不动量级不匹配

2026-10-20 22:19:21 +08:00
parent 95b55fe69d
commit d632924446
3 changed files with 111 additions and 1 deletions
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+{
+ "n": 256,
+ "travel_ratio_median": 2.425084623442128,
+ "travel_ratio_population": "arrived & 有老师参考（与 eval 的 okr 同口径）",
+ "reverse_rate": {
+  "p25": 0.15732546150684357,
+  "p50": 0.23536035418510437,
+  "p75": 0.3025793731212616
+ },
+ "net_over_travel_p50": 0.4447892699092449,
+ "excursion_over_travel_p50": 0.5067885044066773,
+ "still_rate_p50": 0.028846153989434242,
+ "by_group": {
+  "arrived": {
+   "n": 147,
+   "reverse_p50": 0.26143792271614075,
+   "net_over_travel_p50": 0.47818613856136644,
+   "excursion_p50": 0.5500977881151917
+  },
+  "failed": {
+   "n": 109,
+   "reverse_p50": 0.14653243124485016,
+   "net_over_travel_p50": 0.3515762667187255,
+   "excursion_p50": 0.39037085057225707
+  }
+ },
+ "note": "net/行程 越接近 1 越\"单向\"；越小越来回抖。excursion/行程 = 各轴走过最大幅度的和 / 总行程，绕远时它接近 1、抖动时明显小于 1"
+}