alert: awareness and localization of explosives-related threats
DESCRIPTION
Robert Donatto , University of South Florida (ALERT) Prof. Carey Rappaport , Northeastern University and Prof. Jose Martinez Northeastern University. Standoff Radar Detection of Concealed Body-Worn Explosives. ALERT: Awareness and Localization of Explosives-Related Threats. - PowerPoint PPT PresentationTRANSCRIPT
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ALERT: Awareness and Localization of Explosives-Related Threats
Robert Donatto, University of South Florida (ALERT)
Prof. Carey Rappaport, Northeastern University andProf. Jose MartinezNortheastern University
Standoff Radar Detection of Concealed Body-Worn Explosives
This material is based upon work supported by the U.S. Department of Homeland Security under Award Number 2008-ST-061-ED0001. The views and conclusions contained in this document are those of the authors and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the U.S. Department of Homeland Security.
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Overview Safety Full Body MMW Imaging System New Mounting Design Previous Work Progress Tracking Rotation Videos Image Theory Trial Run Videos Current Status Test Configuration Future Work Acknowledgements Questions
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Safety Wear protective eyewear when in lab
No eating or drinking in lab
Make sure all supplies are put back to original position after used
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Full-Body Millimeter Wave Imaging System
Advantages Misconceptions
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MMW Characteristics
=WavelengthC= 3 x 10^8 m/s (Speed of Light)ƒ= 60 x 10^9 Hz (Frequency 60GHz)=c/ƒ=5 mm
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New Mounting Design
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Previous Work Smooth rotation movement Converted Divide Factor Moved Encoder to secure location Mounted 2nd Stalk Built CPU stand Familiarize Stepper GUI
CPU StandCable mount
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Progress Tracking Propeller Tool
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Progress Tracking LabVIEW
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Rotation Videos
Video 1: 1st Stalk attached Video 2: 2nd Stalk Vibration Test
Video 3: 2nd Stalk Error
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Image Theory
Tx Rx`
Rx
Metal Sheet
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Trial Run Videos
Front View Back View
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Current Status Target Moving Toward Modules
0 1000 2000 3000 4000 5000 6000 7000 8000 9000 100000
50
100
150
200
250
300
350
400
Loops
Pha
se S
hift
(Deg
rees
)
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Current Status Modules Moving Toward Target
0 1000 2000 3000 4000 5000 6000 7000 8000 9000 100000
50
100
150
200
250
300
350
400
Loops
Pha
se S
hift
(Deg
rees
)
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Current Status Sample Average
0 100 200 300 400 500 600 700 800 900 10000
50
100
150
200
250
300
350
400
Loops
Pha
se S
hift
(Deg
rees
)
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Test Configuration Case Test 1
2.5 mm
2.5 mm
5 mm
Reference Plane
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Test Configuration Case Test 2
Tx Rx
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Future Works Build Gantry Tray/Aluminum Box Find Optimization of the Gain on
Transmitter or Receiver Perform Case Test 1 Perform Case Test 2 Record and Evaluate the
Amplitude/Phase Shift Data
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Acknowledgements Prof. Carey Rappaport Prof. Jose Martinez Mr. Richard Moore Spiros Mantzavinos Dan Busoic Kate Williams The whole ALERT team!!!! The National Science Foundation The Department of Homeland
Security Northeastern University
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Questions