UWB for Target Identification

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$99,705.00
Award Year:
2002
Program:
SBIR
Phase:
Phase I
Contract:
F29601-02-C-0033
Award Id:
57390
Agency Tracking Number:
021NM-0908
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
7519 Standish Place, Suite 200, Rockville, MD, 20855
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
161911532
Principal Investigator:
Chujen Lin
Dir. of Comm. R&D
(301) 222-0444
chujen@i-a-i.com
Business Contact:
Marc Toplin
Director of Contracts
(301) 222-0444
mtoplin@i-a-i.com
Research Institution:
n/a
Abstract
"We propose to develop a target identification system using Time Modulated Ultra-Wide Band (TM-UWB) radars. The prototype hardware will be based on the TM-UWB ASIC chips developed by Time Domain Corporation of Huntsville AL. The only signals transmittedby UWB radars are pulses generated pseudo-randomly in time. The pulses we are currently using are ¿ nanosecond in duration and the energy extends approximately from roughly .8 to 3 gigahertz. The energy content in any conventional frequency band is belowthe noise, making TM-UWB transmission highly covert unless you know the specific pseudo-random sequence. With TM-UWB there is no carrier frequency, no up-conversion and no down-conversion, and the output stage can be a single transistor which creates abinary pulse, all resulting in decreased radio size, cost, and complexity. The duty cycle of the pulse generated by our current hardware is approximately 1/200, resulting in low power consumption because 99.5% of the time, nothing is being transmitted.Because of the low frequency content of TM-UWB signals, they are able to penetrate foliage and nonmetallic obstacles better than conventional radars. During Phase I, we will design a UWB conformal array antenna system and demonstrate the prototype systemin a laboratory environment. The primary potential military application for this technology is the location and identification of obscured objects. Civilian applications include future tim

* information listed above is at the time of submission.

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