Accession Number : ADA578614


Title :   A Man-Portable Vector Sensor for Identification of Unexploded Ordnance


Descriptive Note : Journal article


Corporate Author : COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER NH


Personal Author(s) : Fernandez, Juan P ; Barrowes, Benjamin E ; Grzegorczyk, Tomoasz M ; Lhomme, Nicolas ; O'Neill, Kevin ; Shubitidze, Fridon


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a578614.pdf


Report Date : 24 Aug 2011


Pagination or Media Count : 18


Abstract : The identification and discrimination of unexploded ordnance using low-frequency electromagnetic induction is an expensive and difficult process, typically beset by low data diversity and high positioning uncertainty. In this paper, we present the Man-Portable Vector (MPV) sensor, a new time-domain instrument designed to remedy these shortcomings by measuring all three vector components of the secondary magnetic field at five distinct points around each transmitter location. The MPV also has a laser positioning system that can give its location with millimeter precision. After describing the instrument in detail, we study its performance in various sets of measurements, using the tensor dipole model to analyze the data. We find that the sensor can detect deeply buried targets and identify some standard ordnance items. It can also resolve separate targets in cases where two objects share the field of view and produce overlapping signals. A new incarnation of the MPV, the MPV-II, is in an advanced stage of development.


Descriptors :   *ORDNANCE LOCATORS , DATA ACQUISITION , DIPOLES , ELECTROMAGNETIC INDUCTION , INVERSION , MANPORTABLE EQUIPMENT , NUMERICAL METHODS AND PROCEDURES , ORDNANCE , RECEIVERS , TARGET DETECTION , UNEXPLODED AMMUNITION


Subject Categories : Miscellaneous Detection and Detectors
      Ammunition and Explosives


Distribution Statement : APPROVED FOR PUBLIC RELEASE