-Donato

1. ALERT: Awareness and Localization
of Explosives-Related Threats
Standoff Radar Detection of Concealed
Body-Worn Explosives
Robert Donatto, University of
South Florida (ALERT)
Prof. Carey Rappaport,
Northeastern University and
Prof. Jose Martinez
Northeastern University
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.

2. 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

3. 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

4. Full-Body Millimeter Wave Imaging
System
 Advantages
 Misconceptions

5. MMW Characteristics
=Wavelength
C= 3 x 10^8 m/s (Speed of Light)
ƒ= 60 x 10^9 Hz (Frequency 60GHz)
=c/ƒ=5 mm

6. New Mounting Design

7. Previous Work
 Smooth rotation movement
 Converted Divide Factor
 Moved Encoder to secure location
 Mounted 2nd Stalk
 Built CPU stand
 Familiarize Stepper GUI
Cable mount CPU Stand

8. Progress Tracking
 Propeller Tool

9. Progress Tracking
 LabVIEW

10. Rotation Videos
Video 1: 1st Stalk attached Video 2: 2nd Stalk Vibration Test
Video 3: 2nd Stalk Error

11. Image Theory
Tx Rx`
Metal
Sheet
Rx

12. Trial Run Videos
Front View Back View

13. Current Status
 Target Moving Toward Modules
400
350
300
250
Phase Shift (Degrees)
200
150
100
50
0
0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000
Loops

14. Current Status
 Modules Moving Toward Target
400
350
300
250
Phase Shift (Degrees)
200
150
100
50
0
0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000
Loops

15. Current Status
 Sample Average
400
350
300
250
Phase Shift (Degrees)
200
150
100
50
0
0 100 200 300 400 500 600 700 800 900 1000
Loops

16. Test Configuration
 Case Test 1 5 mm
2.5 mm
Reference
Plane
2.5 mm

17. Test Configuration
 Case Test 2
Tx Rx

18. 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

19. 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

20. Questions