Table 3. Performance characteristics of rapidly deployable boundary signaling systems.
Radio beam single-position | Radio beam dual-position | IR passive (thermal imager) | Acoustic | Seismic | IR-active | Lidar (laser beam) | Wired wave (VHF) | Radio wave (LVV) | Wire-breakaway | |
Length of the blocked line, detection range, m, no more | 100.. 150 | 200.. 400 | 500 .. 1500 | 2000 | 200 | 100.. 200 | 500 | 100.. 200 | 100.. 150 | 500.. 1000 |
Probability of detection P0, typical | 0.9.. 0.95 | 0.95.. 0.97 | 0.95.. 0.97 | 0.7.. 0.9 | 0.9.. 0.95 | 0.95.. 0.97 | 0.9 | 0.9 | 0.95.. 0.97 | 0.3.. 0.5 |
Mean time to false alarm T, hour, typical | 300 | 1000 | 200.. 500 | 50.. 100 | 200 | 500 | 200 | 200 | 1000 | 5..10 |
Electric power consumption (without r/channel), typical, W | 2..5 | 5..10 | 20 | 10 | 0.1 | 30.. 40 | 0.02.. 0.05 | 0.5.. 1.0 | 10 | 0.003.. 0.005 |
Power source (Central, A – accumulator, B – battery) | C, solar B + A, A | C, solar B + A | C, solar B + A | C, solar B + A | C, solar B + A | C, solar B + A | C, B, A | Ц, А | Ц, sunny Б + А | Б, А |
Main sources of false alarms (Ж – animals, В – wind, Д – trees, К large bushes, Т – tall grass, ДС – heavy rain | Ж, В + debris, leaves, snowfall | Ж, В + debris, leaves, snowfall | Ж, sunrise or sunset, ДС | Ж, В + Д + Т, ДС | Ж, В + Д, К, До | F, large birds | F, large birds | F, large birds, DS + V | F, water flows | F, D + V, large birds |
Restriction on use (D trees, K — tall bushes, T — tall grass) | D, K, T | D, K, T | D, K | Swamp | D, K, heavy fog | D, K, heavy fog | Swamp | |||
Weather conditions for deterioration of detection ability | Rain, snowfall | Rain, snowfall | Fog, change temp. | Wind | Wind | Rain, fog | Fog, rain | Rain | Heavy rain | |
Layout of the sensitive part of the CO | On a stand | On stands | On a stand, tripod | On a stand | On the ground, backfill | On stands | Ha bracket | On stands + on the ground | On the ground | Microwire on the ground, branches |
Examples of CO (system, manufacturer) | MIL PAC 385 (Southwest Microwave) | MIL PAC 300B (Southwest Microwave) | WASTI | OASIS (Textron) | MA 2772 (CLASSIC) | SPT- 2000 (Aressco Tech. Inc.) | Scorpion (Protech Armored Products) | Lawn, (NIKIRET, Russia) | PSP-200 (Auratek Security Inc.) | BWD(MIDS) |