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  • SB

    Form Approved REPORT DOCUMENTATION PAGE OM NO. 0704-0188

    Public Reporting burden for this collection of information is estimated to average I hour per response, including the time for reviewing instructions, searching existing data sources. gathering an maintaining the data needed, a.d completing and reviewing the collection of information. Send comment regarding this burden estimates or any other aspect of this collection of information, including suggestions for reducing this burden, to Washington Headquarten Services, Directorate for information Operations and Reports, 1215 Jefferson Davis Highway, Suite 1204. Arlington, VA 22202-4302, and to the Office of Management and Budget, Paperwork Reduction Project (0704-0188,) Washington, DC 20503. 1. AGENCY USE ONLY ( Leave Blank) 2. REPORT DATE 3. REPORT TYPE AND DATES COVERED

    20 March 98 Final

    4. TITLE AND SUBTITLE 5. FUNDING NUMBERSConcept Study of Multi Sensor

    Detection Imaging and Explosive Confirmation of Mines 2172040 76A-7270 P665502 86100-2581S31124

    6. AUTHOR(S) 7XOOST/7ST37478

    Larry G. Stolarczyk

    7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) 8. PERFORMING ORGANIZATION Raton Technology Research, Inc. REPORT NUMBERffl Cla o "hway4aon, *og 7 h Final - #6

    9. SPONSORING I MONITORING AGENCY NAME(S) AND ADDRESS(ES) 10. SPONSORING / MONITORING AGENCY REPORT NUMBER

    U. S. Army Research Office P.O. BOX 12211 G3 Research Triangle Park, NC 27709-2211 0-

    11. SUPPLEMENTARY NOTES The views, opinions and/or findings contained in this report are those of the author(s) and should not be construed as an official

    Department of the Army position, policy or decision, unless so designated by the documentation.

    12 a. DISTRIBUTION I AVAILABILITY STATEMENT 12 b. DISTRIBUTION CODE Approved for public release; distroution unlimited.

    13. ABSTRACT (Maximum 200words) To achieve a quantum leap forward in humanitarian demining and counter mining, a handheld instrument capable of detecting metallic and non-metallic landmines is needed. Metal detectors (MD) cannot detect non-metallic mines and detection sensitivity degrades in magnetic soil. Because metal detection sensitivity can be increased to detect low metal content in some non-metallic mines, some alarms significantly. increase. Prodding the soil overlying a suspected mine with metal rods is needed to create a mental image of the object. Imaging, especially high resolution imaging, would minimize and perhaps eliminate prodding. This scientific and engineering study concluded that electromagnetic wave detection and imaging technology (EDIT) featuring a resonant microstrip patch antenna (RMPA) provides a quick-look at shallow buried objects. Scans of IXI meter square areas can

    be completed in minutes while producing silhouettes of the buried objects. Lateral migration radiography (LMR) and nuclear quadripole resonance (NQA) instruments become field deployable when only required to scan the area of the EDIT silhouette. Much higher resolution of LMR contributes to the quantum leap forward in landmine detection technology.

    14. SUBJECT TERMS 15. NUMBER OF PAGES Landmine detection and imaging, anti-personnel landmine detection 64 and imaging, non-metallic landmine detection and imaging, lateral migration radiography (LMR), nuclear quadrupole resonance (NOR) 16 PRCECODE demihing system.

    17. SECURITY CLASSIFICATION 18. SECURITY CLASSIFCATION 19. SECURITY CLASSIFICATION 20. I]MITATION OF ABSTRACT OR REPORT ON THIS PAGE OF ABSTRACT

    UNCLASS-IFID UNCLASSIFIED UNCIASSIFIED UL NSN 7540-01-280-5500 Standd Form 29 (Rev.249)

    Prescrnbed by ANSI Std. 239-18 298-102

    DTIC QUALITY INSPECTED 2 Enclosure I 1/

    ~JA 0 r671g2 j&o

  • P A,•TON 848 Clayton Road o P.O. Box 428 , Raton, NM 87740 TECHNOLOGY TeieDhone: (505) 445-3607. FAX: (505) 445-9559 RESEARCH

    INVOICE

    U.S. Army Research Office Attn: Amy Wendelgass Contracting Officer 4300 S. Miami Blvd. P.O. Box 12211 Research Triangle Park, NC 27709-2211

    DATE: March 20, 1998

    INVOICE NO.: 398-01

    TERMS: Per Contract

    CONTRACT #: DAAG55-97-C-0057

    Final technical report "Multi Sensor Detection Imaging and

    Explosive Confirmation of Mines" per referenced contract.

    Final Report ........ ............... .. $16,670.00

    TOTAL INVOICE .............. .......... $16,670.00

  • Contract Number DAAG55-97-C-0057

    Small Business Technology Transfer (STTR)

    Solicitation Topic 97T006

    Multi-Sensor Detection, Imaging, and Explosive Confirmation of Mines

    Final Report

    For Period Ending 20 January 1998

    US Army Research Office Attn: AMXRO-ICA, P.O. Box 12211

    Research Triangle Park, NC 27709-2211

    Prepared for

    Dr. Jack Rowe US Army Research Office

    4300 S. Miami Blvd., P.O. Box 12211 Research Triangle Park, NC 27709-2211

    Prepared by

    Raton Technology Research, Inc. 848 Clayton Highway

    Raton, New Mexico 87740

  • -• • RATON TECHNOLOGY RESEARCH

    Table of Contents

    O ve rview .......................................................................................................................... 1

    1. LATERAL MIGRATION RADIOGRAPHY ............................................................... 2 1.1 LM R Principles ................................................................................................ . 2

    1.1.2 LMR Instrumentation ............................................................................... 2 1.1.2 G eneral Results ....................................................................................... 3

    1.2 LANDMINE SIGNATURES .............................................................................. 4 1.2.1 A ir V olum e .............................................................................................. . . 4 1.2.2 Lateral Migration Shifting ........................................................................ 5 1.2.3 Shadowing Effect ........ ............................................................................. 7

    2. PROPOSED LMR SYSTEM DESIGN ...................................................................... 10 2.1 General Configuration ....................................................................................... 10

    2.1.1 LMR Vehicle Configuration ...................................................................... 10 2.1.2 Definition of Motion .................................................................................. 11

    2.2 X-ray Generators .............................................................................................. 13 2.2.1. LORAD X-ray Generators ................................ 13 2.2.2. Aerosino AX160-2-15 ......................................................................... I ....... 17

    2.3 Rotating Collimator .............. . ..................... ... 172.3.1. Configuration...................... 17

    2.3.2. Pixel Pattern and Diameter of Rotating Collimator ................................... 19 2.3.3. Angular Speed of the Rotating Collimator ............................................... 21 2.3.4. Self-normalization of Pixel Dwell Time ........................ 21 2.3.5. MCNP simulation .................................................................................... 22

    2.4 Detector Design and Optimization .................................................................... 25 2.4.1 Multiple Miniature Photomultiplier Tubes Case ........................................ 25 2.4.2 Single Photomultiplier Tube with Light Pipe Case .................................... 26

    2.5 Image Acquisition and Processing ................................................................... 26 2.5.1 Color Coding and Image Acquisition ............................... 26 2.5.2 Image Segmentation and Labeling .......................................................... 27 2.5.3. Image Correlation Processing .................................................................. 27 2.5.4 Mine Identification .................................................................................... 31

    3. Resonant Microstrip Patch Antenna ........................................................................ 33 3.1 RMPA Principles ............................................................................................. 33 3.2 Land Mine Detection ......................................................................................... 35

    3.2.1. RMPA Detection Sensitivity .................................................................... 36 3.2.2. RMPA Antenna Development .................................................................. 38

    Development and Demonstration of the EDIT Sensor for Land Mine Detection Monthly Report No. 10, February 28, 1997 RTR-98-012 Page ii

  • •R ATON TECHNOLOGY RESEARCH

    Table of Contents (concluded)

    4. EDIT Land Mine Detector ....................................................................................... 40 4.1 EDIT System Description .................................................................................. 40

    4.1.1. Sensor Head ................................................ ......................................... 40 4.1.2. User Interface ......................................................................................... 41 4.1.3. Power Management ................................................................................ 43

    4.2 EDIT Mechanical and Software Design .......................................................... 45 4.2.1. Prototype Assembly .......................................................