Advanced Tactical Targeting Technology (AT3) Advanced ... - Darpa

Advanced
Tactical
Targeting
Technology
(AT3)
Lt Col Beth M. Kaspar
DARPA / SPO
bkaspar@darpa.mil
(703) 248-1520
7'2$
*36
7'2$

Importance
• Surface-to-Air Threat Proliferation,
Sophistication, and Mobility Is a
Significant Threat to US Air Power
• Destruction of Mobile Air Defense
Units is the Central Issue
• Accuracy / Timeline Sufficient for
PGM Weapon Delivery
K9905003

AT3
Develop and Demonstrate
Enabling Technologies for
A Cost Effective Tactical
Targeting System for Lethal
Suppression of Enemy Air
Defenses ( SEAD )
K9905003

Target:
SAM Radar
1
Detect,Classify,
Select Target
Targeting Concept
2
Broadcast
Request
1
2
Platforms
Tune,Detect
Target; Relay
3 4
3
Measures
TDOA/ FDOA,
Locate Target
3
4
K9905003

TDOA A,B
TDOA A,C
B
TDOA B,C
A
Threat
TDOA
C
Location
B
TDOA B,C
A
“Ghosts”
C
C
Ambiguities
B
A
FDOA A,B
C
TDOA
& FDOA
K9905003

7LS
Target Acquisition
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K9905003

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K9905003

AT3 Receiver
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K9905003

Challenges
•Common Pulse: Space / Time / Freq
Alignment & Pulse Correlation
•Threat Sidelobes: Digital Receiver
•Network Management: Link 16
Access Control & Data Compression
•Multipath Resilience
•Geolocation Algorithms
K9905003

Collector A
• Detect
• Deinterleave
• Classify
Common Pulse
Collector B
• Detect
• Deinterleave
• Classify
• Pulse Train Match
• Pulse Match
• CAF or FFT Processing
• TDOA/FDOA Measurement
Geolocation
Collector C
• Detect
• Deinterleave
• Classify
K9905003

7D Registration
Commonly Registered 3 meter,
0.03 m/sec, 5 nano-sec P-V-T
Miniaturized
Precision
Clocks
GPS Guidance
Package
µ
K9905003

5(62/87,21 %LWV
A/DC Performance
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State of
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ANALOG
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1998
AT3 AT3 Desired Desired
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200
400
1000
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Source:IEEE Communications
Magazine, Feb 99 Issue
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K9905003

AT3 Timeline
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K9905003

Link Management
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K9905003

Data Compression
• Match Data Link
• > 3:1 for Sending Sampled
Pulses for Coherent Processing
–Wavelets
• Pulse Descriptor Words for
Non-Coherent Processing
K9905003

Phase 1
Design
- Simulations
- Component Demos
Phase 2
Fabricate and Test
- Algorithm Validation
- Multipath Evaluation
Schedule
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K9905003

Opportunities
• Advanced Geolocation
Algorithms / Technology
• Multipath / DTED Exploitation /
Geometry
• Reconfigurable Digital Receiver
K9905003