Outlier Detection of Light Buoy Telemetry and Telecontrol Data Based on Improved Adaptive ε Neighborhood DBSCAN Clustering

Table 1

Drift range of Xiamen Bay light buoy (unit: m).

Buoy	Latitude distance Δφ	Longitude distance Δλ
3#	78.9	68.9
4#	65.5	71.12
5#	41.11	56.67
6#	73.3	70
7#	88.9	87.78
8#	77.78	97.23
9#	96.6	100
10#	75.5	73.34
11#	84.4	90
11A#	81.1	78.9
12#	91.1	85.56
13#	88.9	96.68
14#	65.5	63.34
14A#	80.0	54.45
15#	71.6	67.7
16#	60.0	67.7
17#	68.8	73.2
18#	72.2	74.4
19#	62.2	73.3
20#	55.0	83.3
21#	47.0	66.6
22#	43.1	67.7
22A	73.3	97.7
23#	68.8	98.1
24#	44.4	77.7
28#	57.7	99.7
29#	63.3	73.3