Excerpted from: FM3-19.30Physical SecurityEstimate of PD by Exterior Sensors.

Excerpted from: FM3-19.30 (2001)Physical Security(72/317)Estimate of PD by Exterior Sensors

See the above figure. US military: External sensor detection probability (PD)

1. Invader action

◆Slow walking (Slow walk)

◆Walking

◆Running

◆Crawling

◆Rolling

◆Jumping

◆Tunneling

◆Trenching

◆Trenching

◆Bridge

◆Cutting

◆Climbing

◆Climbing

◆Lifting

2. Sensor type

◆Fence mounted

◆(Taut wire)

◆Electric field

◆Capacitance

◆Mobile cable (Ported cable)

◆Vibration (Seismic)

◆Vibration/magnetic (Seismic/magnetic)

◆Microwave (Microwave)

◆Infrared (IR)

◆Mobile video (Video motion)

3. Detection probability

◆ Very low (VL)

◆Low (L)

◆Medium (M)

◆High (H)

◆Very high (VH)

◆Not available (N/A)