口中 hreshold placement Ideal Alerting Syster 2 0030≥00 04 Threshold Locations Probability of False Alarm P(FA Courtesy: Jim KucharSystem Supervisory Control Computer Interface Display Control Sensors Direct Observation Threshold Placement 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Probability of False Alarm P(FA) Probability of Successful Alert P(SA) Example Alerting Threshold Locations Ideal Alerting System 1 2 Courtesy: Jim Kuchar