1. Electro-Optic Systems Integration Laboratory
Australian Government
Department of Defence
Shane Kelly
Electro-Optic Countermeasures Group
Electronic Warfare & Radar Division, DSTO

2. Overview EW SIL EO SIL Virtual environment for HWIL Equipment
Applications
Signature Generation
Simulation Motion
False Alarm Environments
Requirements on Sources and Source Capability
LED
DMD
Future Plans

3. EW Systems Integration Laboratory
HWITL/HITL virtual environment (EW SIL)
EO SIL – MAWS, LWR
RF Systems
Virtual MANPADS, RPG
Virtual Cockpit
Demonstrated real-time integration
with CECOM HITL
Software models

4. EO Systems Integration Laboratory Facilities
Instrumented Threat Warning Systems
47/54/57/60
VVR-1
Stimulator Instrumentation (UV)
Baringa, Hydra, Mallina, Real-time sources
(UV LED Insertion under contract)
HiFi Signature Generation
Sensor Motion Control
Real-time shot truthing
Control Software
Simulation Definition
Simulation Execution
Automatic
Manual
Networked
Analysis

5. Sensor/System Evaluation
Sensor Characterisation
Sensitivity, FOV, fault verification
Laboratory replay of trials
Pd determination
Engagement time-lines
Virtual trials
Utilising high fidelity signature generation
Stochastic False Alarm Comparison
Currently unable to replicate:
Atmospheric Scatter
Multiple targets (~ 100) in repeatable way
Atmospheric Scintillation (yet)

6. High Fidelity Signature Generation
Parameterisation of Off-axis Scattering Intensity Calculation (OSIC) + Occlusion Model
Inputs
Sensor Parameters
Threat, Sensor positions and orientations
Threat emissions and Atmospheric Conditions
Output
Photon Intensity distribution
Photon distributions generated off-line into 6-D look-up table
Coupled with appropriate fly-out model
Generates scene of distributed photons for each time-step of fly-out model
Better than real-time demonstrated (provided intensity not too great)
Currently only direct and near-axis scattered component implemented in EO SIL

7. Shot Truthing Stimulator Shot Truthing
Core to qualification of trial replay capability
Instrumentation of actual field radiometers
Immediate determination of deviation from intended shot
Includes elementary image truthing
Object counting for FAR analysis
Potential motion truthing

8. Lateral Motion

9. Laboratory False Alarm Environments
Requirements
Multiple sources
Varying radiometric signal characteristics
Attack/sustain/decay + modulation
Independent motion
Stochastic Evaluation
Reflected tinsel/disco-ball
Arbitrary Stochastic Evaluation
UV LED

10. Rocket Motor Emissions
Boost
Ignition
Incandescent
Source
Eject
Spike
Boost
Sustain

11. Target Sensor Irradiance
Sustain
Boost
Ignition
Boost
Eject
Spike

12. Including Signal Noise
Sustain
Incandescent
Source
Boost
Ignition
Boost
Eject
Spike

13. Sources Incandescent Lamp with Quartz Envelope Alternate Sources
MEON/Baringa
RTS
Mallina
Alternate Sources
Laser
Expensive
Arc
Difficult to control
Problems emitting low amplitude
Problems when in motion
Typically noisy
UV Light Emitting Diode
Dramatically Improved frequency response
Reduced noise level
Digital Mirror Device
Reproduce scene, or
Modulate signal with high resolution
Good frequency response

14. UV LEDs Available at 5nm increments across 250 – 300 nm High power
~20nm FWHM
Can replicate some spectral content
High power
Significantly increase safety issue over QH
Frequency response > 10 KHz
Mechanical modulation no longer required
Replication of noise
Low emission noise
‘The optimum UV stimulation device’
Have demonstrated reproduction of 5ms pulse
Schedule for insertion in EO SIL before end FY 09/10

15. Atmospheric Scattering
Total = Direct + Forward Scattered
Direct
Forward Scattered (1st order)
Forward Scattered (2nd order)

16. UV Projector XGA Digital Mirror Device 1024 x 768 binary mirrors
± 12 degrees mirror tilt
µm mirror pitch
Supports 9.7K frames/sec

17. DLP Applications in EO SIL
Multiple benign and threat sources
All sources can move independently
Accurate representation of scattered component
Temporal control of source intensity

18. Future Work Qualified replication of field trials
Improved Noise Modelling
Engaging PhD candidate under tri-party agreements
Optical replication of virtual engagements
Implementation of UV LED
Further development of UV scene projection
Transition to infrared

19. Key Staff DSTO BAE Systems Australia
Shane Kelly (Threat Warning Section Lead)
Ray Darling (EW SIL Lab Manager)
Stephane Collignon (EO SIL Lab manager)
Bill Field (Senior Technical Officer)
Mark Panizza (UV Scene Parameterisation)
BAE Systems Australia
Victor Florea (Optical Scientist)
Tri Luu (Software Engineer)
Langdon Davis (Software Engineer)

20. Questions?