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Fibre optic sensor eliminates false intruder alarms

Future Fibre Technologies : 12 May, 2008  (New Product)
Signal recognition technology enables detection of real perimeter intrusions by eliminating weather related false alarms.
Fibre optic sensor eliminates false intruder alarms
The new generation fibre optic sensing technology from Future Fibre Technologies (FFT) "knows" the difference between a tropical downpour and a real security threat such as an intrusion, thereby virtually eliminating the incidence of nuisance alarms.

This major breakthrough in security standards is possible thanks to the company's patented Alarm Recognition and Discrimination (ARaD) technology, which uses advanced signal recognition techniques to identify different event signals and then classifies them as real intrusion events or nuisance events - without compromising detection capability or sensitivity.

FFT, designers and manufacturers of fibre optic sensing technologies for security applications, has used its extensive experience and knowledge accumulated from more than 100 installations worldwide to develop its multi-parameter approach, in which a number of different time and frequency based features are combined to allow effective classification of apparent threats.

The ARaD technology enables the Secure Fence system to detect a fence climb, cut or lift - even when they occur during a natural event, such as a torrential downpour.

Dr Jim Katsifolis, FFT's Chief Technology Officer says exhaustive testing has been carried out in tropical and high rainfall regions around the world with exceptional results. "FFT's Secure Fence system has operated on challenging sites with less than 1 nuisance alarm per zone per month whilst still maintaining its optimum sensitivity to real intrusion events," Dr Katsifolis says. "The system has proven its capability in downpours of more than 100mm (4 inches) per hour."

"ARaD is just the beginning of a new phase of signal processing capabilities currently under development by FFT," he says "and includes operation in extremely difficult environments with high vibration and noise such as those created by vehicle traffic and trains".

Dr Katsifolis believes FFT's history in the sensing industry rather than the security industry is the reason behind its intrinsically different product architecture. "Many users recognise our products are a generation ahead of anything that has been available previously," he said.

Certainly, the company's products have been embraced by companies and organizations looking for large perimeter applications, pipeline monitoring and communications/data network security, with hundreds of systems being deployed globally.

Applications range from Government & Military installations in the USA through to the oil and gas industry including the recent installation at 7 LNG facilities and several major sea ports located in the Middle East.
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