Advanced Tactical Targeting Technology (AT3) Advanced ... - Darpa
Advanced Tactical Targeting Technology (AT3) Advanced ... - Darpa
Advanced Tactical Targeting Technology (AT3) Advanced ... - Darpa
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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
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Target Acquisition
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AT3 Receiver
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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
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A/DC Performance
16
14
12
10
88
66
44
MAXIM
MAX1201
State of
The Art
ANALOG
AD9042
BURR
BROWN
1998
AT3 AT3 Desired Desired
22
14
11 22 44 10
20
40
100
200
400
1000
5000
Source:IEEE Communications
Magazine, Feb 99 Issue
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62
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AT3 Timeline
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Link Management
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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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Opportunities
• Advanced Geolocation
Algorithms / Technology
• Multipath / DTED Exploitation /
Geometry
• Reconfigurable Digital Receiver
K9905003