By Jacqueline A. MacDonald, J. R. Lockwood

On the fee that govt and nongovernmental enterprises are clearing current landmines, it's going to take 450-500 years to rid the area of them. taken with the gradual speed of demining, the workplace of technological know-how and know-how requested RAND to evaluate power cutting edge applied sciences being explored and to undertaking what investment will be required to foster the advance of the extra promising ones. The authors of this file recommend that the government adopt a learn and improvement attempt to boost a multisensor mine detection process over the subsequent 5 to 8 years.

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Generating an image of the mine or another buried object based on dielectric constant variations is often possible because the required radar wavelength is generally smaller than most mines at frequencies that still have reasonable penetration depth. Second, GPR is a mature technology, with a long performance history from other applications. A fielded Army system (HSTAMIDS) combining GPR with EMI for mine detection already exists and is scheduled for production in 2003. Finally, GPR can be made lightweight and easy to operate, and it scans at a rate comparable to that of an EMI system.

This dual-sensor system does not make optimal use of the totality of information available from the combined sensors. Advances in signal processing and understanding of single-sensor systems make the development of a multisensor system with a single signal possible in principle. Preliminary research has shown the potential for multisensor systems to reduce the number of false alarms by as much as a factor of 12. However, additional research is needed to establish a comprehensive technical basis for the design of such a system.

1998). Actual ROC curves vary not only with the detector but also with the environment in which the detector is employed, the mine type, and the burial depth. The high false alarm rate associated with conventional EMI systems accounts for the slow, laborious nature of mine detection (once vegetation and tripwires are cleared). Often, demining teams uncover 100–1,000 inert metal objects for every mine (Hewish and Pengelley, 1997). 1 provides data from the Cambodian Mine Action Centre (CMAC) from March 1992 to October 1998.

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