Research Article

Health Monitoring System with Hybrid Laser Sensor Networks and Cloud Computing for Subway Tunnels

Table 2

Initial angle and coordinates of the infrared laser rangefinder.

Infrared laser rangefinderAngleCoordinate (m)
αβ

No. 144(−1.16, 0, 0.19)
No. 345(1.04, 0, 0.16)
No. 52720(−0.64, 069, 0.13)
No. 72720(0.56, 0.68, 0.12)