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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

K9905003


7LS

Target Acquisition

7XQH 3UHSODQQHG &RRUGLQDWHG &XH

5REXVW &DSDELOLW\

K9905003


3UREDELOLW\ RI .LOO 3N

AT3 Uniqueness: TLE

AT3

8QLWDU\

:HDSRQ

$UHD :HDSRQ

7DUJHW /RFDWLRQ (UURU

6XEPXQLWLRQ $UHD

:HDSRQ

8QLWDU\ 3RLQW

:HDSRQ

K9905003


AT3 Receiver

$QWHQQD

)URQW (QG

$'& 3DUDPHWHUL]HU

397)

&ORFN *36 ,16

3URFHVVRU

$FTXLUH &ODVVLI\

*HRORFDWH

$7 &RQWUROOHU

/LQN

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

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

6$03/,1* 5$7( 0+]

MAXIM

MAX1151

HARRIS HI1276

SPT SPT7760

98

86

74

62

50

38

26

6,*1$/ 72 12,6( 5$7,2 G%

K9905003


AT3 Timeline

6HDUFK $FTXLVLWLRQ &RRUGLQDWLRQ

Master

&RPPRQ

3XOVH

&ROOHFWLRQ

*HRORFDWLRQ

K9905003


Link Management

5HTXHVW

Net 4

2ZQ

1DY 6WDWH

/6%

1HW

1HW

1HW

7DUJHW

&KDUDFWHUL]DWLRQ

7\SH 5) 615 HWF

72$ /6%

6DPSOHG

3XOVH

72$

06%

6DPSOHG

:DYHIRUP

6DPSOHG

3XOVH

72$ /6% HWF

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

)< )< )< )< )<

4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4

35'$ 3'5

$ZDUG

&'5

%UDVVE·UG

)DE

*UG

7HVW

)OW

7HVW

)<

4 4

'DWD

$QDO

K9905003


Opportunities

Advanced Geolocation

Algorithms / Technology

• Multipath / DTED Exploitation /

Geometry

• Reconfigurable Digital Receiver

K9905003

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