Vehicle Acoustic Warning and Surveillance System
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Complete Acoustic System
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Features
Benefits
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SSC Vehicle
Acoustic Warning and Surveillance System (VAWS) and its Real Time LRD/T Fusion Display
The VAWS system
contains 12
custom-designed acoustic sensors, signal conditioning electronics,
platform
noise cancellation, adaptive beamforming, vehicle tracking, and counter
sniper
(impulse) algorithms. The output of the VAWS system is contact reports
that are
networked to other vehicles and command posts, where network-level data
fusion
and field tracking occur. SSC has developed, under Army funding, an LRD
for our
multi-node target detection/tracking system that incorporates passive
air-coupled acoustic sensor reports from our VAWS system.
This technology transition allows SSC to
perform data fusion for our networked set of ground vehicle acoustic
arrays.
Each sensor contact report provides target bearing and sensor
information such
as identification, location and orientation to the LRD processor. The
LRD has
been ported to a C++ environment and currently runs in real time with a
1 Hz
update rate. The LRD was successfully evaluated in the field at
Aberdeen
Proving Grounds (APG) in August 2003, and at the Eglin Air Force Base
in
September 2003. Both unmanned ground sensors, developed by SSC under
DARPA/ONR
funding, and ground vehicle acoustic sensors were evaluated and were
able to
successfully track ground targets of interest using the PRT technology.
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